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【判断题】
在过热度等条件都相同的情况下,共晶成分的铁碳合金流动性最好,收缩也小。 aA.
正确
B.
错误
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皮皮学刷刷变学霸
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【多选题】[机械制图部分][中职和高职和教师][易] 分析端盖零件图,对零件图的表述正确的是( )。
A.
该零件采用了两个基本视图表达
B.
左视图采用了局部剖表达
C.
主视图采用了全剖表达
D.
主视图采用了单一剖切面绘制
E.
主视图采用了三个相交的剖切平面绘制
【单选题】Speaker A: Joanna, Im awfully sorry. I didnt mean to hurt you. Shall we have a beer and forget the whole thing? Speaker B: ______
A.
You must be kidding. You have never hurt me.
B.
That's a good idea. Where shall we go?
C.
OK, we can drop it this time. But don't do it again.
D.
I'd love to, but I have to go to the airport to meet my brother.
【单选题】Few companies are interested in providing the software we need the market is small.
A.
since
B.
although
C.
so that
D.
as if
【简答题】Kate: ______________ (非常近)。We can meet at Joanna's house after class today.
【单选题】[机械制图部分][中职和高职和教师][易] 图样上绘制锥度符号时,其符号的线宽为( )。
A.
h/4(h为字体高度)
B.
h/10
C.
d/2(d为粗实线线宽)
D.
d/3
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