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【判断题】
零件表面粗糙值越大,越有利于零件耐磨性和抗腐蚀性的提高。A.
正确
B.
错误
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举一反三
【简答题】小题1: What is Mary’s problem? A．Sh.e is so worried and can’t sleep. B．She can’t pass the exam. C．She can’t communicate with others. D．She can’t study English well. 小题2:Donna thinks Mary’s problem is __...
【单选题】Worried about the time ________， Mary had made a list of the sites she wanted to see in Beijing.
A.
adequate
B.
available
C.
avoidable
D.
accessible
【单选题】Why is Mary worried?
A.
She has spent too much money.
B.
She worried about john.
C.
The women's husband is ill.
【单选题】下列说法不正确的是()。
A.
经营活动现金流量设计方法有直接法和间接法，现行现金流量表采用的是直接法
B.
现行现金流量表分为正表和补充资料两部分，其中补充资料包括三项
C.
间接法计算经营活动现金流量需要调整内容有三项
D.
我国现金流量表将现金流量分为经营、投资和筹资活动现金流量
【单选题】Mary's parents are worried about Mary because no one was aware ______ she had gone.
A.
of where
B.
where that
C.
the place
D.
where of
【简答题】Mary’s parents are worried about Mary because no one was aware she had gone．
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