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【单选题】
凸轮轴的凸轮修磨后,必须进行凸轮( )项目的检测。 正确答案:DA.
圆度
B.
圆柱度
C.
径向全跳动
D.
升程
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皮皮学刷刷变学霸
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【简答题】The job pays well and you get a 20 day holiday a year, it ’ s certainly an ____offer.A. attractive B. attract C. attracting D. attracted B. attract C. attracting D. attracted
【单选题】—May I ask you _____ the writer? —Sorry. I don’t know him. You can ask Sam ______ help.
A.
about; for
B.
about; about
C.
for; for
D.
for; about
【单选题】听力原文：Student: Good morning. Is that Copewell Insurance? I'd like to ask you a few questions about getting insurance. Salesman: Certainly. What kind of insurance are you looking for? Student: Well, I'm...
A.
are often at classes.
B.
often have high-value, portable items.
C.
are wealthier than other young people.
D.
don't usually lock campus accommodation.
【简答题】The job pays well and you get a 20-day holiday a year. It ’ s certainly an (attract) offer.
【单选题】The job pays well and you get a 20 day holiday a year ,it is certainly an__ offer.
A.
Attractive.
B.
Attract
C.
Attracting
D.
Attracted.
【简答题】The job pays well and you get a 20-day holiday a year, it’s certainly an(attract) ____ offer.
【单选题】The job pays well and you get a 20 day holiday a year, it ’s certainly an offer.
A.
attractive
B.
attract
C.
attracting
D.
attracted
【简答题】国家标准的代号是（），农业行业标准的代号是（）。
【简答题】在建筑材料技术标准中,建材行业标准的代号是 、地方标准的代号是 、企业标准的代号是 。
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