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【单选题】
两轴的偏角位移达 30° ,这时宜采用 _______ 联轴器。
A.
万向
B.
凸缘
C.
齿式
D.
弹性套柱销
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【单选题】After he was dismissed, he had to look______another employment.
A.
at
B.
up
C.
for
D.
on
【单选题】—You are leaving your school.How do you like it? —Very much, of course, I this school since I moved here
A.
came to
B.
have gone to
C.
have been to
D.
have been at
【单选题】He didn’t work hard; he was dismissed by the boss.
A.
thus
B.
instead
C.
anyhow
D.
however
【简答题】任务相阅读。 Safety Activities for Middle School Kids School is not the safe place as it used to be. How do we keep school safer? How do we help students stay away from er? There are many activities tha...
【单选题】Sabri dismissed the woman because ______.
A.
he had had enough of the argument
B.
he wanted to show his disgust at the suggested price
C.
he wanted to give the impression that he had lost all interest in the sale
D.
he wanted time to think the matter over
【单选题】换向阀是气压传动系统的( )
A.
辅助装置
B.
执行装置
C.
控制系统
D.
动力源装置
【单选题】废弃的电器电子产品,体积较小的应当投入( )收集容器,体积较大的应当按照大件垃圾的管理要求予以回收
A.
可回收物
B.
其他垃圾
C.
厨余垃圾
D.
有害垃圾
【单选题】He was dismissed for ________ his duty.
A.
neglecting
B.
neglected
C.
ignored
D.
ignoring
【单选题】Sabri dismissed the woman because ______.
A.
he had had enough of the argument
B.
he wanted to show his disgust at the suggested price
C.
he wanted to give tile impression that he had lost all interest in the sale
D.
he wanted time to think the matter over
【单选题】换向阀是气压传动系统的( )。
A.
动力元件
B.
控制元件
C.
执行元件
D.
辅助元件
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