tailieunhanh - Đề thi và đáp án tiếng anh trình độ TOEFL - Đề số 12

Tham khảo đề thi - kiểm tra đề thi và đáp án tiếng anh trình độ toefl - đề số 12 , ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Trình độ TOEFL - Bài 12 1. __ did Arthur realize that there was danger. (A) Upon entering the store (B) When he entered the store (C) After he had entered the store (D) Only after entering the store 2. In mathematics, a variable is a symbol __ some element of a set. (A) and representing (B) represents (C) that represents (D) represents that 3. Few natural elements exist in __ that they are rarely seen in their natural environments. (A) such small quantities (B) so small quantities (C) very small quantities (D) small quantity 4. The janitor refused to unlock the classroom door because he __ busy. (A) too (B) always (C) was (D) himself 5. __, which is the highest in the range, appears challenging. (A) Climbing the mountain (B) The mountains (C) Up the mountain (D) The mountain that is 6. The student managed to pass the entrance examination __ he was blind. (A) in spite of the fact (B) because (C) since (D) unless 7. John was the youngest president of the United States and __ to be assassinated. (A) the fourth (B) fourth (C) four (D) the four 8. __ the formulation of explanatory laws, the first step in scientific research is the collection and description of facts. (A) Although science's ultimate aim is (B) Although science's ultimate aim it is (C) Although it is science's ultimate aim (D) Although being science's ultimate aim 9. It is earth's gravity that __ people their weight. (A) gives (B) give (C) giving (D) given 10. _ that new information to anyone else but the sergeant (A) They asked him not to give (B) They asked him to don't give (C) They asked him no give (D) They asked him to no give 11. Considered unique and exotic, __. (A) over 4,000 American households keep the llama as a pet (B) there are over 4,000 American households that keep the llama as a pet (C) the llama is kept as a pet in over 4,000 American households (D) the llama kept as a pet in over 4,000 American households 12. Perhaps the oldest theories of business cycles are __ that linked their cause to fluctuations of the harvest. (A) whatever (B) everything (C) those (D) them 13. Oscillatona, one of the few plants that can move about, __ a wavy, gliding motion. (A) having (B) has (C) being (D) with 14. The works of Picasso were quite __ during various periods of his artistic life. (A) differ (B) different (C) different from (D) different than 15. The more hemoglobin one has, the more oxygen is carried to __ cells. (A) one (B) its (C) their (D) one's 16. __ can be grown on arid land. (A) Only a few crops (B) Only few crop (C) Only a little crops (D) Only little crop 17. __ air traffic controllers guide planes through conditions of near zero visibility. (A) They talk with pilots and watch their approach on radar, (B) Talking with pilots and watching their approach on radar, (C) Talk with pilots and watch their approach on radar, (D) When they talked with pilots and watched their approach on radar, 18. Culture influences the way __. (A) viewing the world (B) that we view the world (C) the world view (D) is the view of the world 19. Overexposure to the sun causes __ health problems. (A) various (B) among (C) but (D) of 20. The doctor told his receptionist that he would return __ (A) as early as it would be possible (B) at the earliest that in could be possible (C) as soon as possible (D) at the nearest early possibility

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