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【单选题】
过共晶铸铁的室温组织是( )。A.
Ld'+Fe3CⅠ
B.
Ld'+Fe3CⅡ
C.
Ld'+Fe3CⅢ
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反馈参考答案：
举一反三
【简答题】Marc Edwards believes that he is living every day and doing his job bravely with a purpose.
【简答题】Langue refers to the abstract linguistic system shared by all the members of a speech community and ______ refers to the actualized language or the realization of langue.
【简答题】Marc Edwards has uncovered the water problem and is determined to help fix it.
【单选题】I think he must be in the office now, _____? [ ]
A.
don't I
B.
mustn't he
C.
isn't he
D.
can't he
【简答题】Marc Edwards argued at a conference that scientists should work in the public interest .
【简答题】Marc Edwards believes that he is living every day and doing his job bravely with a purpose.
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