A.conducted | B.supported | C.believed | D.managed |
A.a(chǎn)bout 60000 people died of the disease each year |
B.a(chǎn)bout 60000 people were cured of the disease each year |
C.600 million people are likely to get infected |
D.the disease is spreading fast in Africa |
A.in the journal Nature |
B.in a newspaper of the University of Dundee |
C.in a book about flies |
D.in a newspaper about medicine |
A.big drug companies play an important role in the research of the new drug |
B.people who get infected with the disease are mentally disturbed |
C.a(chǎn)mong 200 people infected with the disease, 5 may die because of the old drug |
D. Professor Paul Wyatt may be a professor at the University of York |
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A. make the organs healthier | B. reduce the pain of animals |
C. make the organs live longer | D. reduce the chances of rejection |
A. the technique is not perfect now |
B. humans may be infected with animal viruses |
C. it is against laws and regulations |
D. it may cause a conflict between humans and animals |
A. a pity | B. a pride | C. a disaster | D. a good idea |
A. animal organs are commonly used for human transplant now |
B. lots of patients need animal organ transplants now |
C. examples of the animal tissues being rejected have happened |
D. it is not safe to use animal organs for human transplant |
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