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【单选题】
风湿性心内膜炎最常类及
A.
三尖瓣
B.
二尖瓣
C.
肺动脉瓣
D.
主动脉瓣
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A.
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B.
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【简答题】I like dogs b_____ because they’re friendly.
【判断题】心理健康的人总能保持乐观的情绪状态,所以有愤怒、恐惧、焦虑等不良情绪就是心理不健康状态。
A.
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B.
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【单选题】ch1-14 以下选项中不是Python语言保留字的是:
A.
if
B.
for
C.
in
D.
goto
【单选题】以下选项中不是Python语言保留字的是( )。
A.
while
B.
except
C.
do
D.
pass
【单选题】I like dogs, because they are ____ and cute. [     ]
A.
friends
B.
friendly
C.
friend
D.
friendship
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