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【判断题】
使用直流电源焊接时,将工件接到电源的正极,焊条接到负极的接线方法是反接。( )A.
正确
B.
错误
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举一反三
【单选题】It is generally believed that gardening is______it is a science.
A.
an art much as
B.
much an art as
C.
as an art much as
D.
as much an art as
【单选题】It is generally believed that teaching is ______ it is a science.
A.
as an art much as
B.
as much an art as
C.
an art much as
D.
much as an art as
【单选题】It is generally considered unwise to give achild __________ he or she wants. 21
A.
however
B.
whatever
C.
whichever
D.
whenever 2
【简答题】It is generally considered unwise to give a child_________ he or she wants. A. however B. whatever C. whichever D. whenever
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