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【单选题】
在一定转速下,要减轻滚子链传动的运动不均匀性和动载荷,应该 。A.
增大节距p和增加齿数Z 1
B.
增大节距p和减少齿数Z 1
C.
减小节距p和减少齿数Z 1
D.
减小节距p和增加齿数Z 1
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反馈参考答案：
举一反三
【单选题】应付账款账户期初贷方余额为78000元,本期借方发生额为230000元,贷方发生额为200000元。下列关于账户期末余额的表述中,正确的是()
A.
贷方88000元
B.
贷方48000元
C.
借方30000元
D.
借方278000元
【简答题】Only when we have suffered a serious setback, __________ (我们才会去努力克服自己的自满情绪)
【单选题】According to Paragraph 5, we can infer that
A.
the local people have suffered a lot because of a new project.
B.
the rich people have helped the local people set up a special business.
C.
by leaving their homes, the local people can get much benefit.
D.
to obtain profits, a thoughtless government made the local people suffer great loss.
【简答题】We have to ask you to compensate for the loss we have suffered.
【简答题】According to paragraph o, we can infer that [A] the local people have suffered a lot because of a new project. [B] the rich people have helped the local people set up a special business. [C] by leavin...
【单选题】According to Para. 5, we can infer that
A.
the local people have suffered a lot because of a new project.
B.
the rich people have helped the local people set up a special business.
C.
by leaving their homes, the local people can get much benefit.
D.
to obtain profits, a thoughtless government made the local people suffer great loss.
【简答题】We have a piano_ l _______on Tuesday．
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