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问题 单项选择题 A1/A2型题

哌替啶比吗啡应用多的原因是它（）

A.镇痛作用比吗啡强

B.对胃肠平滑肌有解痉作用

C.无成瘾性

D.成瘾性及抑制呼吸作用较吗啡轻

E.作用较慢，维持时间长

答案

参考答案：D

选择题

---Thank you so much for the lovely evening, Dennis.

---You’re quite welcome, Julie.________. We’d been looking forward to seeing you.

A．Just stay a little longer, please

B．I’m afraid you didn’t have a good time

C．We’re glad to meet you

D．Thank you for your coming
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选择题

II. Choose the correct answers after reading the passage.

1.    What did the group do first in the morning? They           .

A．went into the forest slowly

B．left the chimp family sleeping in a tree

C．observed the family of chimps wake up

D．helped people understand the behaviour the chimps
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