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【判断题】
( )12Cr1MoV钢焊条电弧焊时采用E5515-B2-4焊条。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】The text suggests that Lynn Carr ______.
A.
had to sell her car for a new one
B.
had few friends to turn to for help
C.
was once a school dropout herself
D.
didn't work hard enough to keep her job
【单选题】In stating that Carr had to wrestle with the elements in paragraph 3, the author means that Carr needed to
A.
paint unusual subjects
B.
express her sense of humor
C.
experience her subjects directly
D.
struggle to support herself
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