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问题 单项选择题 A1型题

属于“反佐药”范畴的是（）

A.增强君臣药之力

B.兼治君臣药之偏

C.缓和君臣药之峻

D.防止邪甚而拒药

E.减低君臣药之毒

答案

参考答案：D

解析：反佐药，即根据病情需要，用与君药性味相反而又能在治疗中起相成作用的药物。

填空题

用词的适当形式填空。

1. It's good for everyone to take_____________ (exercise).

2. I have some __________(candy) in my hand.

3. This is not your desk. __________(you) is there.

4. The story is very ___________(fun)

5. On Sundays, my grandfather often goes _________(fish) with me by the river.

6. The summer __________(holiday) are coming.

7. I want to see the Chinese New Year ____________(celebrate) here.

8. I'm _________(dress) up as a ghost.

9. I like Mid-Autumn Day because I like __________(eat)  mooncakes.

10. Thank you for ___________(help) me with my homework.
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不定项选择题

在乙烯分子中有5个σ键．一个π键，它们分别是 [ ]

A．sp2杂化轨道形成σ键．未杂化的2p轨道形成π键

B．sp2杂化轨道形成π键．未杂化的2p轨道形成σ键

C．C-H之间是sp2形成的σ键，C-C之间是未参加杂化的2p轨道形成的π键

D．C-C之间是sp2形成的σ键，C-H之间是未参加杂化的2p轨道形成的π键

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