不属于排泄的是（） A．排尿 B．排便 C．呼出CO2 D．排汗_爱下问搜题

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问题选择题

不属于排泄的是（　　）

A．排尿

B．排便

C．呼出CO₂

D．排汗

答案

答案：B

选择题

Shortly after we ______, a waiter came over to us with a smile.

A．sat

B．seated

C．was seated

D．seated ourselves

选择题

I _____ busy with my homework, otherwise I _____ to the cinema with you.

A. had been; would have gone
B. had been; had gone
C. was; would go
D. was; would have gone