亚慢性毒性试验对动物的要求是A、成年动物B、必须雌雄各半C、大鼠100g左右，小鼠15g左右D、仅使用单一

Whats the authors attitude toward the findings made by the National Institute？

A．Supportive.

B．Appreciative.

C．Opposed.

D．Neutral.

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According to the passage, action by the ECB______.

A．made the European Banking System cease to exist

B．let Berlin decide to break with Greece immediately

C．has a positive effect on the European Banking System

D．caused extreme divergence across the single currency area

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Which of the following changes is good for Type Ds？

A．Focussing on unimportant issues.

B．Avoiding seeking medical care.

C．Learning smoking to make more friends.

D．Be patient for something that offends you.

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It can be inferred from the passage that______.

A．the author"s silence made Ms. A quite dissatisfied

B．the author happened to be an acquaintance of Ms. A

C．the author learnt an important lesson of the patient"s needs

D．the author failed to finish all the planned interviews

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膳食营养素参考摄入量是

A.EAR

B.RNI

C.DRI

D.AI

E.UL

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