Study the following picture carefully and write an article on deficiency of research ability among the postgraduate students. In your article, you should cover the following points: 1) interpret the meaning of the picture, 2) point out the causes, and 3) give your suggestions. You should write 160～200 words neatly.
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You are writing your graduation thesis and are in need of some reference materials. Write
职业病诊断应由()名以上取得职业病诊断资格的职业医师集体诊断。
A. 2
B. 3
C. 5
D. 7
E. 9
It can be inferred from the first paragraph that______.
A. the essential qualities of a true Pan-Americanism were defined by Franklin Roosevelt
B. mutual understanding is one of the most far-reaching elements in North America
C. few Americans may be aware of others"point of view
D. America"s friendship with Canada and Mexico risks going sour
While much of the attention on fighting AIDS and other diseases in poor countries has
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