近髓肾单位的主要功能是 ()
A．产生肾素
B．浓缩、稀释尿液
C．排泄Na＋和Cl-
D．释放血管升压素
参考答案：B
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He is always telling lies. Don’t be __________ by his sweet words.
A．taken on
B．taken over
C．taken in
D．taken away
