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【单选题】
患者女性,83岁,因慢性心力衰竭长时间卧床。护士指导她在床上作下肢活动,或用温水定时浸泡下肢,主要目的是:A.
及早恢复行走功能
B.
防止肌肉萎缩
C.
防止褥疮形成
D.
防止下肢血栓形成
E.
增加回心血量
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【单选题】The audience were _______the performance of Chinese athletes at the 21st Winter Olympics. [ ]
A.
impressed by
B.
impressed on
C.
interesting in
D.
expressed by
【单选题】I have been trying to advise them not to act that way, but my advice had no _________on them.
A.
impression
B.
advantage
C.
influence
D.
affect
【单选题】—What a nice bike! How long ______ you ______ it? —Just two weeks. [ ]
A.
will; buy
B.
did; buy
C.
are; having
D.
have; had
【简答题】根据数理统计中的贝努利大数定律,当样本数n足够大时,样本的分布函数将近似地( )总体的分布函数,这就是利用样本推断总体的理论依据。
【单选题】The hard-working farmers and their happy life _____ we saw in the countryside made a wonderful impression on us.
A.
whom
B.
who
C.
which
D.
/
【单选题】—What a nice bike! Is it new?—No. I have _________ it for 2 years.
A.
had
B.
sold
C.
borrowed
D.
bought
【单选题】----What a nice bike! How long have you ______ it ? ----- For a week. I spent all my money on it.
A.
bought
B.
had
C.
taken
D.
kept
【单选题】----What a nice bike! How long ____ you ____it? ----- Just two weeks.
A.
have, bought
B.
did, buy
C.
have, had
D.
are, having
【单选题】The final document was supposed to mend the damage ______upon the world by the war.
A.
impressed
B.
compromised
C.
imposed
D.
condensed
【单选题】—Why do you suggest the West Lake? —I believe __beauty of ___ nature there will make__excellent impression upon you.
A.
the; /; the
B.
the; /; an
C.
a; the; an
D.
the; the; an
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