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【判断题】
CO 2 气体保护焊的 焊接电流的大小与焊丝干伸长度无关。A.
正确
B.
错误
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举一反三
【单选题】_____ I’m hungry, _____ I have some food.
A.
Because, so
B.
So, because
C.
Because, / D Because, but
【简答题】In the base solution, the Latimer diagram of Br : BrO 3 - ____x____BrO - ______0.76V_________ Br - |_____________ 0.61V _____________| So should BrO - disproportionate or not?
【单选题】The elderly investors no longer employed the stock brokers mainly because ______.
A.
the brokers can't give the investors advice useful enough
B.
the brokers charge too high a fee for their service
C.
the brokers are not so analytical as the investors
D.
the brokers are not as helpful as the Internet
【单选题】__________koalas are friendly, __________he wants to see them first. A. Because, so B. /, so C. /, because
A.
Because, so
B.
/, so
C.
/, because
D.
So, because
【单选题】____ dolphins are funny, ____ I like them very much. [ ]
A.
Because; so
B.
So; because
C.
Because; /
D.
So; /
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