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润滑油脂的选用：在高速轻载负荷条件下，应用黏度小的润滑油脂，受负荷或交变负荷的摩擦零件，用粘度大的润滑油脂。()A.
正确
B.
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【单选题】听力原文：W: There's an article here in this magazine you might find interesting. It's about buying running shoes. M: If it were not for chemistry and the final exam were not drawing near, I could read it ...
A.
Writing an article.
B.
Studying for a chemistry test.
C.
Shopping for shoes.
D.
Reading a magazine.
【简答题】皱纹纸 的商品编码为( )
【简答题】在当前目录搜索带“energywise”行的文件 。
【简答题】She said he shouldn ’be t lifting those heavy milk boxes.英译汉
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