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【判断题】
在切削三要素中,对切削温度影响最大的是切削深度,其次才是切削速度。A.
正确
B.
错误
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举一反三
【单选题】We want to know his family background.
A.
relationships
B.
members
C.
troubles
D.
income
【简答题】This is a story from 28 years ago. My dad was a used car salesman. Every Thursday night, he would head off to Shreveport, LA for an auction. Most of the time, I drove a car over there for him so he co...
【简答题】完形填空。 My dad was a used car salesman. Every 1 on Thursday, he would head off to Shreveport, LA to the auction (拍卖). Once, I was riding with him on the highway when he 2 a hitchhiker (搭便车的旅行者) with a b...
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