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【多选题】
炼钢的基本任务包括( )。A.
B.
脱硫
C.
去除气体
D.
升温
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【单选题】In theory, this sounds like a good idea; however, I doubt that it will work ________.
A.
in practice
B.
in person
C.
in part
D.
in advance
【简答题】In theory, this sounds like a good idea; however, I doubt that it will work ________.
【简答题】In theory, this sounds like a good idea；however, I doubt that it will work ______． 在理论上，这个主意听起来不错，然而，我怀疑在实践中是否可行。
【单选题】An awful crash between an express train and a bus _____ , however, occur the other day in Russia
A.
15. An awful crash between an express train and a bus _____ , however, occur the other day in Russia. A. does
B.
did D. has to D. had to
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