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【单选题】
教育可以简化文化,吸取其基本内容,教育可以净化文化,清除其不良因素,这体现了教育对文化具有( )。
A.
选择功能
B.
发展功能
C.
传递功能
D.
保护功能
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【单选题】直流电机中的主磁极作用是产生()
A.
主磁通
B.
附加磁通
C.
电枢磁场
D.
换向磁场
【单选题】Which one of the followings is incorrect about magnetic compass? 【45【50【彭
A.
The magnetic compass is compulsory on my vessel
B.
The magnetic compass is prone to error
C.
The magnetic compass is always placed inside steel constructions
D.
The magnetic compass needs to be calibrated to compensate for local magnetic distortion
【判断题】变压器在能量传递过程中会产生机械损耗。
A.
正确
B.
错误
【简答题】变压器在传递能量过程中,会产生损耗,变压器的损耗有铁耗和()两大类
【单选题】Compass error is equal to the __ ____.
A.
deviation minus variation
B.
Variation plus compass course
C.
combined variation and deviation
D.
difference between true and magnetic heading
【简答题】____________(由你决定) whether we accept the task or not.
【单选题】Sorry sir,“我们只收现金.” 汉译英是( )。
A.
we only accept cash.
B.
we don’t accept cash.
C.
we only accept credit card.
D.
we only accept check.
【简答题】the traditional patterns of our lifestyle. must change and that we have to accept that we live in a global village dependent on each other
【单选题】We ______ your terms carefully but ______ to say that we cannot accept them.
A.
are studying regret
B.
have studied are regretting
C.
have studied regret
D.
have been studying have regretted
【判断题】直流电机中的主磁极,其作用是通入交流励磁电流,产生主磁场。
A.
正确
B.
错误
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