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【判断题】
固定钻模板,加工精度较高,但有时装卸工件不便。A.
正确
B.
错误
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举一反三
【简答题】6 A. A dog was barking all night I couldn’t sleep. B. A dog was barking all night, I couldn’t sleep. C. A dog was barking all night, so I couldn’t sleep.
【简答题】尿标本保存常用哪些防腐剂？
【单选题】So amused that I couldn’t help laughing when I saw the performance given by the children．
A.
I felt
B.
I feel
C.
did I feel
D.
had I felt
【简答题】如何理解语言符号的线条性和符号系统的关系?
【简答题】I _____ to help you to do homework but I couldn’t spare any time. I _____ a composition last night and I’ll finish it today. A. wanted wrote B. had wanted was writing C. have wanted wrote ...
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