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【单选题】
主轴箱中较长的传动轴,为了提高传动轴的刚度,采用( )结构。A.
多支撑
B.
三支撑
C.
四支撑
D.
五支撑
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举一反三
【简答题】Passage Three：Questions 21 to 25 are based on the following passage. What might driving on an automated highway be like? The answer depends on what kind of sys tem is ultimately adopted. Two distinct ...
【单选题】(2017原创)—Do all of you agree to help the old man in that yard next Sunday morning?—Yes, and we ______there in time.
A.
arrive
B.
arrived
C.
will arrive
D.
have arrived
【多选题】计件工资是按照劳动者在单位时间内完成的合格产品的数量来计算工资报酬的，包括( )。
A.
按计时工资标准支付给个人的工资报酬
B.
按工作任务包干方法支付给个人的工资报酬
C.
按营业额提成或利润提成办法支付给个人的工资
D.
实行超额累进计件，按劳动部门批准的定额和计件单价支付给个人的工资报酬
E.
按工作时间支付给个人的工资报酬
【单选题】( )(原创)He failed once. Can you let him have ________ try?
A.
a second
B.
the second
C.
second
D.
two
【单选题】(2020 原创 )You can’t travel to a foreign country unless you have a ________.
A.
message
B.
book
C.
passport
D.
watch
【简答题】Most people are aware of what the adoption process is because it has become rather common in our society. Adoption is where a child is legally placed with guardians (监护人) or parents (or perhaps a sing...
【单选题】关于褶皱要素描述,以下不正确的是()
A.
褶皱翼间角小于 180 度。
B.
枢纽是脊点或槽点的连线
C.
地质图中，轴迹与枢纽可以投影垂直
D.
轴面是一个由各层相邻枢纽组成的假想的面
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