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【判断题】
任何元素都可产生核磁共振。( )A.
正确
B.
错误
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举一反三
【单选题】When turning the engine with turning gear, you should keep the indicator cocks _____.
A.
attached to the indicators
B.
opened
C.
closed
D.
broken
【简答题】电器或电源线路 着火 时,要先切断电源,再用干粉灭火或 灭火。
【单选题】－Remember! Keep all the secrets_______ me. －OK. I’ll keep them _______myself.
A.
for, to
B.
to, for
C.
for, in
D.
in, at
【单选题】The experiment is______failure．But do remember that，in the face of failure，you should still keep up good state of mind．
A.
/；the；the
B.
a；/；the
C.
the；/；the
D.
a；/；a
【单选题】When you are making a speech, always remember to keep it short and ______.
A.
to the point
B.
in a sense
C.
by all means
D.
in other words
【单选题】---The students of Class 7 are going to the seaside this weekend. ---Remember _____ them not to keep _______ alone in the sea. It’s dangerous.
A.
telling; swimming
B.
telling; to swim
C.
to tell; to swim
D.
to tell; swimming
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