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【多选题】
反行程自锁的机构,其正行程效率 ,反行程效率 。A.
η＞1
B.
η=1
C.
0＜η＜1
D.
η≤0
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【单选题】—______do you like your birthday so mu ch? —I always have a party and get lots of presents. [ ]
A.
How
B.
What
C.
Which
D.
Why
【单选题】在Word编辑状态下,选择了整个表格,然后按Delete键,则______。
A.
整个表格被删除
B.
表格中一行被删除
C.
表格中一列被删除
D.
表格中字符等内容被删除
【单选题】听力原文：W: Do you ever get tired of the same topics always being discussed at council meetings? M: Do I? You know sometimes I think some members have nothing better to talk about. Q: What does the man me...
A.
Members have a narrow range of topics to discuss.
B.
Members bring up the most important issue.
C.
Members have interesting topics to discuss.
D.
Members have little knowledge.
【简答题】在一次数学练习中，甲答错的题目占总数的 ，乙答对7道题，两人都答对的题目占题目总数的 。甲答对多少道题？
【单选题】---Do you often stay up? ---No. I always get a good night’s sleep _______ much work I have to do.
A.
whenever
B.
however
C.
whatever
D.
whichever
【单选题】-- My friends always get better grades than I do. What should I do? --
A.
Maybe you should be more friendly to the teachers
B.
Maybe you should have a rest.
C.
Maybe you should work harder.
D.
Maybe you should have a drink.
【简答题】练习5- 函数设计与使用-题目.docx 练习6-函数-补充练习-题目.docx
【简答题】论文题目练习
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