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【判断题】
时间继电器只有在线圈通电时,触点才延时动作。
A.
正确
B.
错误
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举一反三
【单选题】Confucius has been given a thorough study and review to enhance people's awareness In America.
A.
Y
B.
N
C.
NG
【判断题】碱性磷酸酶的功能是将底物磷酸化。
A.
正确
B.
错误
【单选题】Evidence has been found through years of study that children’s early sleeping problems are _______ to continue when they grow up.
A.
likely
B.
possible
C.
probable
D.
narrowly
【单选题】Mrs Taylor has completed a study (A) on (B) bird ’ s (C) nests.
A.
a study
B.
on
C.
bird ’ s
【单选题】与滴定分析法相比,重量分析法()。
A.
准确度高
B.
操作繁杂费时
C.
无须基准试剂
D.
应用范围广
【简答题】离心泵的工作点是泵的特征曲线和管路曲线的交点。开大出口阀,可使管路曲线变平缓,从而使流量( ),扬程( )。 (填“变大” 或“变小”)。
【简答题】第三章课后练习.doc
【单选题】Torpey’s study has turned a seemingly _______ topic, the passport, into a fascinating one by making an original contribution to the sociology of the state.
A.
ironic
B.
banal
C.
provocative
D.
witty
【单选题】Andrew Oswald's study_____.
A.
proves money has little effect on happiness
B.
given evidence that money buys happiness
C.
rejects the relation between money buys happiness
D.
shows that lottery brings people happiness
【单选题】She ______ study in peace. If she can't,  she won't pass her exams.
A.
has to be able to                    
B.
would be able to
C.
can be able to                        
D.
may be able to
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