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【单选题】
铣削加工主要用于加工（）。A.
平面
B.
台阶
C.
各类槽
D.
其余三项
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皮皮学刷刷变学霸
举一反三
【简答题】看图用介词(in on under填空) There is a hill the park. There is a path the hill. There is a big lawn the hill. There is a bench the lawn.
【单选题】The new______machine is a great help in the production of this factory.
A.
adequate
B.
sufficient
C.
efficient
D.
effective
【简答题】cell junction的中文是_______。
【单选题】听力原文：I don't like this new photocopier machine. (A) I think it needs ink. (B) I know, it is very difficult to use. (C) It should arrive tomorrow. (29)
A.
B.
C.
【单选题】“略溶”是指1g或1ml的溶质在多大体积(ml)的溶剂中能够完全溶解
A.
10～30
B.
30～100
C.
1000～10000
D.
100～1000
E.
1～10
【单选题】This new machine is technically far_____to the previous type. [ ]
A.
superior
B.
junior
C.
senior
D.
equal
【单选题】Rubbish will be made use of _______ light after this kind of new machine is invented. [ ]
A.
to give
B.
giving
C.
gave
D.
to be given
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