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【判断题】
只要地面平整,立杆底部可不设垫板A.
正确
B.
错误
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举一反三
【简答题】乙酰胆碱作用的消除方式是____;去甲肾上腺素作用消除的主要方式是____。
【单选题】听力原文：It's supposed to shower today, isn't it? (A) No, we had no water to take a shower. (B) No, I haven't seen him around. (C) But the weather forecast is usually wrong, right? (14)
A.
B.
C.
【单选题】Darwin proved that natural selection ___ the chief factor in the development of species.
A.
has been
B.
had been
C.
is
D.
was
【单选题】---When do you usually take a shower? ---I take a shower __________ the morning.
A.
at
B.
in
C.
on
D.
of
【单选题】How often do you take a shower? I take a shower________/ wins/ a day.
A.
won
B.
once
C.
win
D.
one
【简答题】Which of the following is the right order ofthings described in the text?[A]Shower，kitchen，toilet，dining table and bed． [B]Shower，toilet，dining table，kitchen and bed． [C]Shower，toilet，kitchen，dining t...
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