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【多选题】
有关 肾素的描述正确的有 ( )A.
是肾脏近球小体中的近球细胞分泌的
B.
使肾小球滤过率减少
C.
引起血中血管紧张素Ⅱ增多
D.
引起血中醛固酮增多
E.
引起血压升高
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举一反三
【单选题】Many news agencies have______in many foreign countries.
A.
reporters
B.
correspondents
C.
announcers
D.
journalists
【单选题】.How many foreign friends does he have? ___.
A.
None
B.
No one
C.
Not much
D.
No many
【单选题】The foreign languages school has a large collection of books, ______ are in English.
A.
many of them
B.
many ones
C.
many of which
D.
many books
【单选题】听力原文：Narrator Listen to part of a talk in an economy class. Professor Many businesses, such as department stores, restaurants, hotels, and airline companies, use a credit system for selling their prod...
A.
The satisfactory 'buy-now, pay-later' credit system.
B.
The ways the credit companies use to issue credit cards.
C.
The classification and advantages and disadvantages of credit cards.
D.
The difference between store credit cards and other credit cards.
【多选题】天然药物化学成分的预试验，一般（）
A.
测定各类成分的物理化学常数
B.
利用各类成分的检识反应
C.
可采用试管反应和色谱试验
D.
应用高效液相色谱
E.
测UV和IR光谱进行检识
【单选题】凉菜配置的 “ 五专 ” 要求指设立操作专间、专人操作和 ( ) 。
A.
专用消毒设施、使用专用工具、专用冷藏设施
B.
专用食品原料、使用通风设施、专用冷藏设施
C.
专用食品原料、使用专用工具、专用排水设施
D.
专用消毒设施、使用通风设施、专用排水设施
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