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【单选题】
一对直齿圆柱齿轮传动,【图片】，现要求安装的实际中心距【图片】，在设计这对齿轮时，用 传动。A.
正传动
B.
负传动
C.
等移距变位传动
D.
标准齿轮传动
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【简答题】Wallet Back This is a story about a learning experience that had a big effect on the way I live my life．The ______in the story did not give me tests or even grade me on my work．I was taught by one of ...
【单选题】I see from your resume that you've had a lot of experience in sales. ( )
A.
Yeah. I am sure this furniture will sell very well in this neighborhood.
B.
Well. I worked as a teacher. a nurse , a doctor and a lawyer In the last five years.
C.
Yes , my parents have a store. I used to work there after school.
【单选题】absurd It seemed absurd to Helen that she had more cooking experience than the teacher of her cooking class.
A.
responsible
B.
challenging
C.
ridiculous
【单选题】It seemed absurd to Helen that she had more cooking experience than the teacher of her class.
A.
responsible
B.
challenging
C.
ridiculous
D.
wild
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