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【单选题】
脊髓休克时出现A.
血压下降
B.
神志丧失
C.
尿失禁
D.
尿潴留
E.
病理反射阳性
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举一反三
【单选题】The little child__ go out alone at night, so he__ walk in the dark that night.
A.
daren't; didn't dare to
B.
doesn't dare; dare not
C.
isn't dare to; dared not to
D.
doesn't dare to; dare not to
【单选题】Jack didn't see the steps in the dark, so he ________ down.
A.
fell
B.
had fallen
C.
was falling
D.
would fall
【简答题】物体的三原色是什么?2. 什么是减色混合?
【单选题】Scientists have known the reason that people grow old.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】____ alone in the dark room, the little boy was so frightened as to cry.
A.
Leaving
B.
Left
C.
To be left
D.
Having left
【单选题】Jack didn't see the steps in the dark, so he ______ down.
A.
fell
B.
had fallen
C.
would fall
D.
was falling
【单选题】____alone in the dark room, the little boy was so frightened as to cry.
A.
Leaving
B.
Having left
C.
To be left
D.
Left
【单选题】To those scientists, it still remains to be a question ______ man can go back to the old days with time machine.
A.
if
B.
that
C.
how
D.
whether
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