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问题 单项选择题

吖啶类可逆性乙酰胆碱酯酶抑制剂是

A．匹鲁卡品(Pilocarpine)
B．毒扁豆碱(Physostigmine)
C．氢溴酸加兰他敏(Galantamine Hv-drobromide)
D．他克林(Tacrine)
E．溴化新斯的明(Neostigmine)

答案

参考答案：D

选择题

下列哪一理论的提出，使人类对微观世界的基本认识有了革命性的进步

A．万有引力定律

B．进化论

C．相对论

D．量子理论
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填空题
从方框中选择适当的短语并用其正确形式完成句子。
look down at       go the right way            go through,
on the edge of      at the bottom of            look across to
1. "Don't stand                         the canyon. It's dangerous," the tour guide said.
2. You must                        a big gate to enter the house.
3. Have you ever heard the story about a frog                         a well?
4. I                         the other side of the road, but saw nothing.
5. Mr Brown didn't know if he was                       .
6. I                        the small house 100 metres below me.
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