下列因素中哪些可抑制肾脏尿液的浓缩
A．直小血管血流加快
B．直小血管血流减慢
C．中枢性尿崩症
D．蛋白质缺乏引起的营养不良
参考答案：B,C,D
用适当的词填空。
1. There are about two _______________ (百) students playing on the playground.
2. The mother is _______________ (自豪的) of her son,
because he is very successful in his work.
3. There are many kinds of English _______________ (字典) in this bookstore.
You can choose the one you like.
4. Look at the photo _______________ (仔细地), and you will find our teacher.
5. Would you mind _______________ (打开) the window? We need some fresh air.
成型用的聚乙烯树脂，一般是经（）造粒的蜡状颗粒物。
A.压延
B.吹塑
C.拉伸
D.挤出
