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【单选题】
促使血管紧张素I转换为II的物质是A. B.内皮素C. D.E.A.
肾素
B.
血管紧张素转换酶
C.
胰岛素
D.
醛固酮
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A.
should get
B.
gets
C.
got
D.
will get
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【单选题】I didn't see you these days. Where did you ? [ ]
A.
hang out
B.
hung out
C.
hanged out
D.
hung after
【单选题】We were talking on the phone when we were ______.
A.
cut down
B.
cut off
C.
hung up
D.
hung back
【单选题】I was speaking to Ann on the phone when suddenly we were _____. [ ]
A.
hung up
B.
hung back
C.
cut down
D.
cut off
【单选题】The bridge looked so unsafe that we all______.
A.
hung up
B.
hung around
C.
hung back
D.
hung onto
【单选题】We hung out a lantern lest he ______ lost in the mist.
A.
gets
B.
get
C.
will get
D.
got
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