— "Michelle, would you like to ____________ with us?”
A. go and watch TV
B. go for a cup of coffe
C. go and see a film
D. go clubbing
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— “When will your staff arrive?”— “__________ .”
A. 10 minutes.
B. 30 minutes.
C. 45 minutes.
D. 1 hour.
构成肺泡的上皮细胞有()和(),其中 ()细胞具有合成与释放表面活性物质的作用。
肺的导气部从 () 至(),无 ()功能;肺的呼吸部从()至(),具有()的功能。
肾小体和肾小管有规律的分布在肾皮质迷路内
A. 对
B. 错