Đề thi chọn học sinh giỏi môn Tiếng Anh Lớp 9
Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from
the other three in pronunciation in each of the following questions.
Question 1 : A. educate B. engineer C. acceptable D. department
Question 2 : A. future B. picture C. culture D. turn
Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in
the position of primary stress in each of the following questions.
Question 3 : A. habitat B. inflation C. disease D. remove
Question 4 : A. complete B. command C. common D. community
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in
each of the following questions.
Question 5 : They asked me how long did it take to get to Paris by train.
A B C D
Question 6 : After driving for twenty miles, he suddenly realized that he has been driving
A B C
in the wrong direction.
D
Question 7: Because the Red Cross accepts blood from most donors, the nurses will not let you
A B
give blood if you have just had a cold.
C D
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each
of the following questions.
Question 8 : In Vietnam, application forms for the National Entrance Examinations must be ___before the deadline, often in April.
A. issued B. signed C. filed D. submitted
Question 9 : He walked ____ I could not catch up with him.
A. fast B. so fast that C. as fast as D. faster than
Question 10 : It is high time we _____ something to protect our environment .
A. do B. to do C. did D. have done
Question 11 : The more _____ you are, the easier it is for you to make friends.
A. reserved B. funny C. sociable D. social
Question 12 : I can . with most things but I cannot stand noisy children.
A. put up B. put on C. put aside D. put off
Question 13: Neither the students nor their lecturer . English in the classroom.
A. use B. are using C. uses D. have used
Question 14: ________ she can buy everything she likes.
A. So rich is she that B So rich she is that C. Such rich is she that D. All are right
Question 15 : This is the second time____________.
A. you are losing your door key B. you've lost your door key
C. you were losing your door key D. your door key was lost by you
Question 16 : The man ______ is very friendly.
A. that lives next door B. who live next door
C. which lives next door D. who lives the next door
Question 17: Universities send letters of . to successful candidates by post.
A. accept B. acceptable C. acceptably D. acceptance
Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. Question 1 : A. educate B. engineer C. acceptable D. department Question 2 : A. future B. picture C. culture D. turn Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions. Question 3 : A. habitat B. inflation C. disease D. remove Question 4 : A. complete B. command C. common D. community Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. Question 5 : They asked me how long did it take to get to Paris by train. A B C D Question 6 : After driving for twenty miles, he suddenly realized that he has been driving A B C in the wrong direction. D Question 7: Because the Red Cross accepts blood from most donors, the nurses will not let you A B give blood if you have just had a cold. C D Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Question 8 : In Vietnam, application forms for the National Entrance Examinations must be ___before the deadline, often in April. A. issued B. signed C. filed D. submitted Question 9 : He walked ____ I could not catch up with him. A. fast B. so fast that C. as fast as D. faster than Question 10 : It is high time we _____ something to protect our environment . A. do B. to do C. did D. have done Question 11 : The more _____ you are, the easier it is for you to make friends. A. reserved B. funny C. sociable D. social Question 12 : I can ........... with most things but I cannot stand noisy children. A. put up B. put on C. put aside D. put off Question 13: Neither the students nor their lecturer .......... English in the classroom. A. use B. are using C. uses D. have used Question 14: ________ she can buy everything she likes. A. So rich is she that B So rich she is that C. Such rich is she that D. All are right Question 15 : This is the second time____________. A. you are losing your door key B. you've lost your door key C. you were losing your door key D. your door key was lost by you Question 16 : The man ______ is very friendly. A. that lives next door B. who live next door C. which lives next door D. who lives the next door Question 17: Universities send letters of .......... to successful candidates by post. A. accept B. acceptable C. acceptably D. acceptance Question 18 : If you do not learn seriously, ________ to understand the subject well. A. you will never be able B. will you never be able C. never you will be able D. will never you be able Question 19 : His research has not been able to be .............. because of a financial difficulty. A. set up B. put off C. turned on D. carried out Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 20: - Tim : “ Let’s go to Fuji for our summer holiday ! “ - Tom : “ _______ “. A. How about you ? B. What’s the matter C. Not at all D. OK. It sounds good Question 21: - Lora : “ Sorry, the manager is not here “ - Jane : “ _______ ? “. A. Can I take a message then B. Can I speak to the manager, please C. Would you like to leave a message D. Can I leave a message then. Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. Question 22: He’s really delighted with his success. A. pleased B. angry C. entertained D. annoyed Question 23: Try to eliminate fatty foods from your diet. A. limit B. move C. add D. get rid of Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Question 24: Those clothes are inappropriate for this morning. A. improper B. attractive C. suitable D. available Question 25: She is a very generous woman. She has given most of her wealth to a charity organization. A. mean B. amicable C. kind D. hospitable Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions. Question 26: People say that he gets a high salary. It is said that he gets a high salary. It is said for him to get high salary. He is said that he gets a high salary. That he gets a high salary is said. Question 27 : It’s high time you started revising for the coming exam. I think you should start revising for the coming exam right now. Revising for the coming exam takes your time. It’s time to come to the exam after revising. The time is high because you started revising for the coming exam. Question 28 : This film is interesting but the film we saw last week was more interesting. The film we saw last week was as interesting as this one. The film we saw last week was less interesting than this one. The film we saw last week was more interesting as this one. The film we saw last week was more interesting than this one. Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions. Question 29: The weather was very hot. They continued playing football. A. Although the hot weather, they continued playing football. B. In spite of the hot weather, they continued playing football. C. In spite of the weather was hot, they continued playing football. D. Despite the weather was hot, they continued playing football. Question 30: She helped us a lot with our project. We couldn’t continue without her. A. Provided her contribution wouldn’t come, we couldn’t have continued with the project. B. Unless we had her contribution, we couldn’t have continued with the project. C. If she hadn’t contributed positively, we couldn’t have continued with the project. D. But for her contribution, we could have continued with the project. Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35. Singapore has a highly developed market-based economy, (31 ) ___ historically revolves around extended trade. Along with Hong Kong, South Korea and Taiwan, Singapore is one (32 ) ___ The Four Asian Tigers. The economy depends heavily on exports , refining, imported goods, especially in manufacturing. Manufacturing constituted 26 (33)____ of Singapore’s GDP in 2005. The manufacturing industry is well-diversified into electronics, petroleum refining, chemicals, (34)___ engineering and biomedical sciences manufacturing. In 2006, Singapore produced about 10 percent of the world’s foundry water output. Singapore is the busiest port in the world in terms of tonnage shipped. Singapore is the world’s fourth largest foreign exchange trading centre after London, New York City (35 )_____ Tokyo. Question 31 : A. who B. whom C. why D. which Question 32 : A. of B. in C. for D. at Question 33 : A. percentage B. persuasion C. perception D. percent Question 34 : A. machine B. mechanical C. mechanically D. mechanic Question 35 : A. and B. but C. or D. so Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 36 to 42. American movies create myths about college life in the United States. These stories are entertaining, but they are not true. You have to look beyond Hollywood movies to understand what college is really like. Thanks to the movies, many people believe that college students party and socialize more than they study. Movies almost never show students working hard in class or in the library. Instead, movies show them eating, talking, hanging out, or dancing to loud music at wild parties. While it is true that American students have the freedom to participate in activities, they also have academic responsibilities. In order to succeed, they have to attend classes and study hard. Another movie myth is that athletics is the only important extracurricular activity. In fact, there is a wide variety of nonacademic activities on campus such as special clubs, service organizations, art, and theater programs. This variety allows students to choose what interests them. Even more important, after graduation, students’ résumés look better to employers if they list a few extracurricular activities. Most students in the movies can easily afford higher education. If only this were true! While it is true that some American college students are wealthy, most are from families with moderate incomes. Up to 80% of them get some type of financial aid. Students from middle and lower-income families often work part-time throughout their college years. There is one thing that many college students have in common, but it is not something you will see in the movies. They have parents who think higher education is a priority, a necessary and important part of their children's lives. Movies about college life usually have characters that are extreme in some way: super athletic, super intelligent, super wealthy, super glamorous, etc. Movies use these stereotypes, along with other myths of romance and adventure because audiences like going to movies that include these elements. Of course, real college students are not like movie characters at all. So the next time you want a taste of the college experience, do not go to the movies. Look at some college websites or brochures instead. Take a walk around your local college campus. Visit a few classes. True, you may not be able to see the same people or exciting action you will see in the movies, but you can be sure that there are plenty of academic adventures going on all around you ! Question 36: The stories about college life in American movies are not ____. A. true B. interesting C. boring D. exciting Question 37: The phrase “academic responsibilities” in the second paragraph is closest in meaning to “______”. A. learning duties B. training skills C. caring professions D. teaching methods Question 38: Which of the following is NOT true? A. Learning is only part of students’ college life. B. There is a wide choice of extracurricular activities for college students. C. Extracurricular activities are of no importance to employers. D. Not all extracurricular activities are students’ academic responsibilities. Question 39: The word “they” in the third paragraph refers to ______. A. employers B. activities C. colleges D. résumés Question 40: The word “moderate” in the fourth paragraph is closest in meaning to “______”. A. not high B. unlimited C. not steady D. sensible Question 41: Many American students have to work part-time throughout their college years because ______. A. they are not allowed to work full-time B. they want to gain experience C. their parents force them to D. they can earn money for their expenses Question 42: Which of the following could best serve as the title of the passage? A. Going to College: The Only Way to Succeed in Life B. Hollywood Movies: The Best About College Life C. Extracurricular Activities and Job Opportunities D. American College Life and the Movies Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50. The need for a surgical operation, especially an emergency operation, almost always comes as a severe shock to the patient and his family. Despite modern advances, most people still have an irrational fear of hospitals and anaesthetics. Patients do not often believe they really need surgery- cutting into a part of the body as opposed to treatment with drugs. In the early year of the 20th century, there was little specialization in surgery. A good surgeon was capable of performing almost every operation that had been advised up to that time. Today the situation is different. Operations are now being carried out that were not even dreamed of fifty years ago. The heart can be safely opened and its valves repaired. Clogged blood vessels can be clean out, and broken ones mended and replaced. A lung, the whole stomach, or even part of the brain can be removed and still permit the patient to live a comfortable and satisfactory life. However, not every surgeon wants to, or is qualified to carry out every type of modern operation. The scope of surgery has increase remarkably in the past decades. Its safety has increased, too. Deaths from most operations are about 20% of what they were in 1910 and surgery has been extended in many directions, for example, to certain types of birth defects in new born babies, and at the other end of the scale, to life-saving operation for the octogenarian. The hospital stay after surgery has been shortened to as little as a week for most major operations. Most patients are out of bed on the day after an operation and may be back at work in two or three weeks. One of the most revolutionary areas of modern surgery is that of organ transplants. Until a few decades ago, no person, except an identical twins, was able to accept into his body the tissues of another person without reacting against them and eventually killing them. Recently, however, it has been discovered that with the use of X-rays and special drugs, it is possible to graft tissues from one person to another which will survive for periods of a year or more. Kidneys have been successfully transplanted between non-identical twins. Heart and lung transplants have also been reasonably successful. “Spare parts” surgery, the simple routine replacement of all worn-out organs by new ones, is still a dream of the future but surgery is ready for such miracles. In the meantime, you can be happy if the doctors say to you: “Yes, I think it is possible to operate on you for this condition.” Question 43. Most people are afraid of being operated on _______. A. in spite of improvements in modern surgery B. because they think modern drugs are dangerous C. because they do not believe they need anesthetics D. unless it is an emergency operation Question 44. Surgeons in the early 20th century compared with modern ones _____ . A. had less to learn about surgery B. needed more knowledge C. were more trusted by their patients D. could perform every operation known today Question 45. A patient can still live a comfortable life even after the removal of _____. A. his brain B. a major organ such as the stomach or one lung C. his lungs D. part of the stomach or the whole liver Question 46. The word “clogged” is most likely to correspond to _____. A. clean B. blocked C. covered D. unwashed Question 47. Today, compared with 1910 _________. A. 20% fewer of all operation patients die B. 20% of all operation patients recover C. operation deaths have increased by 20% D. five times fewer patients die after being operated on Question 48. What is the similar meaning to the word “octogenarian ” ? A. eighteen-year-old B. person in his eighties C. person having eighth operation D. eye specialist Question 49. The main difficulty with organ transplants is _____. A. it is difficult to find organs of the same size B. only identical twins can give permission for their organs to be exchanged C. the body’s tendency to reject alien tissues D. the patient is not allowed to use drugs after them Question 50. You can be happy if your surgeon can operate because it means ______. A. he thinks your condition may be curable B. he is a good doctor C. he knows you will survive D. you are getting better already. THE END Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. Question 1 : A. uniform B. university C. student D. customer Question 2 : A. economy B. came C. computers D. device Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions. Question 3 : A. admittance B. origin C. regional D. government Question 4 : A. penalize B. athletic C. amateur D. synchronize Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. Question 5 : A number of applicants has already been interviewed but none of them are A B C qualified enough. D Question 6 : We wouldn’t share our opinions so quickly if there isn’t Internet connectivity. A B C D Question 7: The lifestyle of the people who live in each culture area reflect the geography A B C D of that area. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Question 8: Mr.Pike ____ for this company for more than thirty years, and he intends to stay here until he ______ . A. worked / retires B. works / is retiring C. has worked / retires D. is working / will retire Question 9 : John forgot ____ his ticket so he was not allowed _____ the club. A. brought / enter B. bring / entering C. bringing / to enter D. to bring / to enter Question 10 : There _____ mutual understanding between friends. A. must be B. must to be C. are D. must have been Question 11 : Neither the mother nor the children ______ aware of the danger. A. were B. was C. is D. has been Question 12 : ________ she got the salary last week, she has complained that she is out of money. A. Unless B. Even though C. In case D. As Question 13: ______ we save, ______ we can buy a new house. A. The much money / the less soon B. More money / the soon C. More money / sooner D. The more money / the sooner Question 14: When you finish writing, you should ______ your composition. A. keep up B. look on C. pass away D. go over Question 15 : Nam studied hard _______ . A. in order to passing the exam B. so that he will pass the exam C. in order pass the exam D. so as that he will pass the exam Question 16 : The government has ____ measures to promote the development of the economy. A. made B. taken C. carried D. achieved Question 17: Mountain gorillas are an endangered species _____ habitats are being destroyed. A. whose B. why C. which D. that Question 18 : My father ____ an interest in collecting stamps. He had a valuable stamp collection. A. got on B. kept in C. went over D. took up Question 19 : If we ______ earlier in the morning, we ______ at the village now. A. departed / would have arrived B. had departed / would arrive C. departed / would arrived D. had departed / would have arrived Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 20: - Tim : “ What are you going to do for the vacation ?. “ - Tom : “ ________ .“ A. That sounds great B. How about you ? What will you do ? C. I will take some tests. D. I’m not sure, but I might go camping for a few days. Question 21: - Lora : “ How did you feel when you first started work ? “ - Jane : “_________ .” A. Not at all B. I don’t think so C. A bit nervous D. Thanks for asking me Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. Question 22: In America, when a woman and a man are introduced, shaking hands is up to woman. A. depends on B. replies on C. waits on D. congratulates on Question 23: I haven’t been to the cinema for a decade A. five years B. seven years C. ten years D. twenty years Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Question 24: In remote communities, it's important to replenish stocks before the winter sets in. A. remake B. empty C. refill D. repeat Question 25: Strongly advocating health foods, Jane doesn’t eat any chocolate. A. supporting B. impugning C. advising D. denying Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions. Question 26: We asked some workers to redecorate the house last year. A. We redecorated the house by ourselves last year. B. The house was not redecorated by any workers last year. C. We had the house redecorated last year. D. The workers refused to redecorate the house last year. Question 27 : John said, “ Mary, do not forget to send the letters”. A. John reminded Mary to send the letters. B. John told Mary that he did not forget to send the letters. C. Mary promised not to forget to send the letters. D. Mary asked Peter to send the letters. Question 28 : What a pity ! I did not take my camera. A. I regret taking my camera. B. If only I had taken my camera. C. I wish I took my camera D. My camera used to be taken. Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions. Question 29: Hartford is the capital of Connecticut. It is the second largest city in the state. A. The capital of Connecticut, Hartford which is the second largest city in the state. B. Hartford, the capital of Connecticut, is the second largest city in the state. C. Hartford, the second largest city in the state, which is the capital of Connecticut. D. Hartford, the capital of Connecticut, that is the second largest city in the state. Question 30: He had just finished eating his breakfast. Then he fell down A. Hardly did he finished eating his breakfast when he fell down B. Hardly he had finished eating his breakfast when he fell down C. Hardly had he finished eating his breakfast when he fell down D. Hardly have he finished eating his breakfast when he fell down Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35. BRINGING THE LEARNING OUTDOORS Kindergarten is a fun place (31)________ young children learn. In some special kindergartens, children learn outside most of the day! Some kindergartens are (32)_____ the forest. In these "forest kindergartens," children play freely. They're outside in all kinds of weather. At forest kindergartens, children learn by climbing trees and picking fruit. They also learn about and (33) ______ animals. For example, they collect chicken eggs and feed baby mice. Little Flower Kindergarten is in Dong Nai, Vietnam. At this school, children learn about farming. They also learn that it is important (34)_____ healthy food. They grow vegetables in gardens - on the roof! They eat the vegetables they grow in their lunches. At Fuji Kindergarten in Tokyo, Japan, trees grow inside the building! The classroom windows and sliding doors (35)______ open to the outside most of the year. The roof is a big, wooden circle. Children love to play and run on it. (Source: Discoveries magazine April 2016) 31. where 32: in 33: take care of 34: to eat 35: stay Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 36 to 42. During the teenage years, many young people can at times be difficult to talk to. They often seem to dislike being questioned. They may seem unwilling to talk about their work at school. This is a normal development becoming independent of teenagers trying to be adult while they are still growing up. Young people are usually more willing to talk if they believe that questions are asked out of real interest and not because people are trying to check up on them. Parents should do their best to talk to their sons and daughters about school work and future plan but should not push them to talk if they don’t want to. Parents should also watch for the danger signs: some young people in trying to be adult may experiment with sex, drugs, alcohol or smoking. Parents need to watch for any signs of unusual behavior which may be connected with these and get help if necessary. Question 36. This passage is taken from a ______. A. handbook for parents. B. school timetable C. teenage magazine. D. book for children Question 37. Why do adults sometimes find teenagers difficult to talk to ? A. Because most teenagers are quiet B. Because teenagers don’t want to talk to other people C. Because teenagers think adults are not honest D. Because most teenagers hate adults. Question 38: What does the word “ they” in bold in paragraph 1 refer to _____ ? A. parents B. future plan C. school work D. teenagers Question 39. When can you expect young people to be more talkative than usual? A. when people talk to them because they are really interested and not just checking on them. B. when adults give them a lot of money to spend C. when adults talk to them about something other than their work in school. D. when adults talk to them about sex, alcohol and drugs Question 40. Some teenagers experiment with drinking and smoking because _____. A. cigarettes and alcohol are available everywhere. B. cigarettes and alcohol are cheap C. women like smoking and drinking men. D. they regard them as a mark of adulthood. Question 41. The word “behavior” in the passage most nearly means _______. A. feeling B. manners C. activities D. reaction Question 42. When is it necessary for parents to find help for their child ? A. When the teens starts taking up smoking B. When it’s difficult to communicate with C. When they don’t have future plans D. When they have low marks in school Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50. You can usually tell when your friends are happy or angry by the looks on their faces or by their actions. This is useful because reading their emotional expressions helps you to know how to respond to them. Emotions have evolved to help us respond to important situations and to convey our intentions to others. But does raising the eyebrows and rounding the mouth say the same thing in Minneapolis as it does in Madagascar? Much research on emotional expressions has centered on such questions. According to Paul Ekman, the leading researcher in this area, people speak and understand substantially the same “facial language”. Studies by Ekman’s group have demonstrated that humans share a set of universal emotional expressions that testify to the common biological heritage of the human species. Smiles, for example, signal happiness and frowns indicate sadness on the faces of people in such far- flung places as Argentina, Japan, Spain, Hungary, Poland , Sumatra ,the United States, Vietnam, the jungles of New Guinea , and the Eskimo villages north of Artic Circle. Ekman and his colleagues claim that people everywhere can recognize at least seven basic emotions: sadness, fear, anger, disgust, contempt, happiness, and surprise. There are, however, huge differences across cultures in both the context and intensity of emotional displays – the so called display rules. In many Asian cultures, for example, children are taught to control emotional responses – especially negative ones- while many American children are encouraged to express their feelings more openly. Regardless of culture, however, emotions usually show themselves, to some degree , in people’s behavior. From their first days of life, babies produce facial expressions that communicate their feelings. The ability to read facial expressions develops early, too. Very young children pay close attention to facial expressions, and by age five, they nearly equal adults in their skill at reading emotions on people’s faces. This evidence all points to a biological underpinning for our abilities to express and interpret a basic set of human emotions. Moreover, as Charles Darwin pointed out over a century ago, some emotional expressions seem to appear across species boundaries. Cross - cultural psychologists tell us that certain emotional responses carry different meanings in different cultures. For example, what emotion do you suppose might be conveyed by sticking out your tongue? For Americans, this might indicate disgust, while in China it can signify surprise. Likewise, a grin on an American face may indicate joy, while on a Japanese face it may just as easily mean embarrassment. Clearly, culture influences emotional expressions. Question 43. According to the passage, we respond to others by _________. A. observing their looks B. watching their actions C. observing their emotional expressions D. looking at their faces Question 44. Many studies on emotional expressions try to answer the question whether __________. A. different cultures have similar emotional expressions. B. eyebrow raising means the same in Minneapolis and Madagascar. C. raising the eyebrows has similar meaning to rounding the mouth. D. rounding the mouth has the same meaning in Minneapolis and Madagascar. Question 45. The word “ evolved” in line 3 is closest in meaning to __________. A. reduced B. increased C. simplified D. developed Question 46. Paul Ekman is mentioned in the passage as an example of ____________. A. lacked many main ingredients B. researchers on universal language C. researchers who can speak and understand many languages D.
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