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【单选题】
键联接的主要用途是使轮与之间()。A.
沿轴向固定并传递轴向力
B.
沿轴向可作相对滑动并具有导向性
C.
沿固定并传递扭矩
D.
安装拆卸方便
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举一反三
【简答题】A．1,000 yuan. B．800 yuan. C．900 yuan. D．700 yuan.
【单选题】A car can cost _______ 50,000 yuan and _______ 300,000 yuan in China. [ ]
A.
as little as; as many as
B.
as little as; as much as
C.
as many as; as much as
D.
as more as; as few as
【单选题】My business brings _____ such a big sum of 200,000 yuan for “the Hope Project”.A．inB．aboutC．outD
A.
20. My business brings _____ such a big sum of 200,000 yuan for “the Hope Project”. A．in
B.
about
C.
out
D.
Back
【单选题】对运动再学习技术的原则理解以下错误的是
A.
任务导向性训练
B.
部分和整体训练密切配合
C.
按运动发育顺序训练
D.
反复强化训练
E.
运动技能学习过程的规律训练
【简答题】A．100 yuan a night. B．150 yuan a night. C．200 yuan a night. D．250 yuan a night.
【单选题】The price of this kind of computer varies from 3,000 yuan, to 10,000 yuan, the brand(品牌). [ ]
A.
depending on
B.
concentrating on
C.
working on
D.
going on
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