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【单选题】
药物的安全指数是指（）A.
ED 50 与LD 50 的比
B.
LD 50 与ED 50 的比
C.
LD 5 与ED 95 的比
D.
ED 95 与LD 5 的比
E.
ED 99 与LD 99 的比
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【单选题】--- Where does your uncle work? --- He works in Paris, the capital of ______.
A.
the USA
B.
France
C.
Thailand
D.
Japan
【单选题】Oscars, in fact, Academy Awards are said to be dramatically named after a librarian’s uncle,_______ just because the Statuette looked like him.
A.
in whose honor the prize was given
B.
for whom the prize was given
C.
whom the prize was given for him
D.
in whom honor the prize was given
【简答题】听力原文： I am convinced that examinations have a positive influence on learning and by that, I mean that they lead to a better grasp of the subject, which is essential in areas such as medicine. While I ...
【单选题】This text deals mainly with______.
A.
the positive and negative effects of globalization
B.
the rise of firms such as McDonald's
C.
different perspectives on globalization
D.
the extinction of certain languages
【简答题】完形填空 Being positive is very important.So I often__ 1 __my son to be positive.But one day I was caught not __ 2 __what I often tell him to do. My son is 7 years old and he was__ 3 __a show to be put on...
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