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【判断题】
极位夹角:机构在两个极位时,件所处两个位置之间所夹的锐角 θ 称为极位夹角。A.
正确
B.
错误
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举一反三
【简答题】I’ll remember the first carnival（狂欢节）. 小题1:. My parents came from Jamaica and they helped to start carnival. We had very little money, but we made costumers from old bits of material and feathers, and...
【单选题】It can be inferred from the text that________.
A.
Lincoln prepared his speech very carefully before he went to Gettysburg
B.
Lincoln was very busy at the time and didn't have much time to prepare his speech
C.
Lincoln's speech was full of rich words
D.
Lincoln's speech was very long
【简答题】请根据以下原始凭证编制会计分录,并拍照上传答案。
【单选题】According to the text, the mayor of London, Ken Livingstone seems to be very supportive of the congestion charging scheme because of
A.
his interest in traffic.
B.
the weak response of politicians.
C.
his political motives.
D.
the complexity of the problem.
【单选题】Babies start to get ______ around the age of eight months.
A.
mobilize
B.
mobile
C.
mobility
D.
mobilization
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