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【单选题】
别那么眼红地盯着他。A.
Don't look at him with your red eyes.
B.
Don't look at him with your green eyes.
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反馈参考答案：
举一反三
【简答题】老师的姓名是()。
【单选题】Each crank is made up of two crank webs joined by a common__to which the bottom end bearing is fitted.
A.
throw
B.
crankshaft
C.
crankpin
D.
crosshead
【简答题】Read the following passage carefully and fill in each blank with a proper word from the list. backbone reciprocating handles various large piston crankshaft counter...
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