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【单选题】
一般不太复杂的凸.凹模具的型腔型面,可在立式铣床.( )等普通铣床上加工。A.
万能工具铣床
B.
数控铣床
C.
仿型铣床
D.
卧式铣床
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举一反三
【单选题】It was very kind of you to do the washing-up but you _____ it
A.
needn’t do
B.
shouldn’t do
C.
mustn’t have done
D.
needn’t have done
【单选题】It was very kind of you to do the washing up, but you ____ it.
A.
mustn’t have done
B.
wouldn’t have done
C.
mightn’t have done
D.
didn’t have to do
【单选题】锆石是双折射率为 ________ ,加工设计时应使台面 _________ 。( )
A.
0.39 ，∥ C 轴
B.
0.39 ，⊥ C 轴
C.
0.039 ，∥ C 轴
D.
0.039 ，⊥ C 轴
【单选题】What does it mean“There would no longer be any point in my playing up to you!”It means _____. A、I should no longer play up to you B、there would be no meaning in my playing up to you C、I should not hav...
A.
B.
C.
D.
D
【简答题】It was very kind of you to do the washing-up, but you ________ it. A) mustn’t have done B) wouldn’t have done C) mightn’t have done D) didn’tave to do
【多选题】一、(1)请阅读第5章5.4-5.5节的内容;(2)请周三前安排学习完成在线课程的7.15-7.20的内容。 二、在完成第一题后,将下列题目完成到作业本上 习题 5-7 、思考题 5-25 三、请你在本周三前完成以上内容后,以本选择题答案来反馈为本次课下学习成效。 (这次的学习任务对比理解性强!)
A.
拉乌尔定律适用于理想液体混合物。
B.
亨利定律适用于理想液体混合物。
C.
单组分理想气体的化学势 μ o 仅仅是温度的函数。
D.
纯 B 组分的化学势 μB 是温度和压力的函数。
E.
实际气体的化学势 μ * 是真是存在的。
【简答题】It was very kind of you to do the washing-up, but you ________ it. A) mustn’t have done B) wouldn’t have done C) mightn’t have done D) didn’t have to do
【单选题】It was very kind of you to do the washing-up, but you ( ) it.
A.
didn't have to do
B.
wouldn't have done
C.
mightn't have done
D.
mustn't have done
【单选题】It was very kind of you to do the washing up, but you ____ it.
A.
mustn't have done
B.
mightn't have done
C.
wouldn't have done
D.
didn't have to do
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