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【单选题】
焊条电弧焊立焊操作时，方法采用（）或锯齿形横向短弧操作方法。A.
直线往复形
B.
月牙形
C.
圆圈形
D.
斜线形
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【单选题】Why is Jenet Reno drawing great political attention?
A.
She openly admits she is considering running for governor in next year' s election.
B.
She is Democratic Party' s nomination for the post.
C.
She is Jeb Bush' s preener.
D.
She is the Former Attorney General.
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