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【简答题】
螺纹导螺距的关系是 。
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皮皮学刷刷变学霸
举一反三
【单选题】I wonder ______, Mr.Smith. We're looking for him everywhere. [ ]
A.
where has your son been
B.
where your son has been
C.
where have you gone
D.
where your son has gone
【简答题】A: Hello, this is Jane Smith of Sales Department. May I 1.______ to Mr. Green? B: I’m sorry. He is not 2._____ at the moment. A: When will he be back? B: He should be back at any 3. ______. A: I wonde...
【单选题】—Do you have any problems if you five minutes to read? —Well, I’m thinking about the new words. There are too many. [ ]
A.
give
B.
are given
C.
will be given
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