The main difficulty with organ transplants is __________
A. only identical twins can give permission for their organs to be exchanged
B. the body's tendency to reject alien tissues
C. the patient is not allowed to use drugs after them
D. it is difficult to find organs of the same size
Giải bởi Vietjack
Giải thích:
Khó khăn chính đối với việc cấy ghép nội tạng là __________
A. chỉ những cặp song sinh giống hệt nhau mới có thể cho phép trao đổi nội tạng của họ
B. cơ thể có xu hướng đào thảo các mô ngoại lai (lạ)
C. bệnh nhân không được phép sử dụng thuốc sau đó
D. rất khó tìm các cơ quan có cùng kích thước
Thông tin: 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.
Tạm dịch: Cho đến vài thập kỷ trước, không một người nào, ngoại trừ một cặp song sinh giống hệt nhau, có thể tiếp nhận mô của người khác vào cơ thể mình mà không đào thải chúng và cuối cùng là giết chúng.
Chọn B.
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Mark the letter A, B, C, or D on the answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
If we didn't _________ any measures to protect whales, they would disappear forever.
Read the following passage and mark the letter A, B, C or D on your answer sheet to choose the word or phrase that best fits each other numbered blanks.
SPORTS IN SOCIETY
The position of sport in today's society has changed out of all recognition. People no longer seem to think of sports as 'just a game' - to be watched or played for the (33) ________ of enjoyment. Instead, it has become big business worldwide. It has become accepted practice for leading companies to provide sponsorship. TV companies pay large sums of money to screen important matches or competitions. The result has been huge rewards for athletes, some of (34) ________ are now very wealthy, particularly top footballers, golfers and tennis players.
(35) ________, it is not unusual for some athletes to receive large fees on top of their salary, for advertising products or making personal appearances. A trend towards shorter working hours means that people generally tend to have more free time, both to watch and to take in sporting activity; sport has become a significant part of the recreation industry that we now rely (36) ________ to fill our leisure hours. Professional sport is a vital part of that industry, providing for millions of (37) ________ people all over the world.
There were 30 students in the class who _________ an exam when the bell went off.
The lady along with her friends _________ because of using drugs.
Mark the letter A, B, C, or D on your answer sheet to indicate the word CLOSEST in meaning to the underlined word in each of the following questions.
New books are displayed in a prominent position on tables at the front of the store.
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes the following exchanges.
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.
Several people had apparently tried to change the man's mind, but he refuses to listen.
