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【单选题】
人类 社会发展和进步的最终 决定力量A.
阶级斗争
B.
生产力
C.
科学技术
D.
社会革命
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反馈参考答案：
举一反三
【单选题】---You are so busy nowadays. I wonder what you’re up to. ---Oh. I’m writing a novel _______ next month by Chinese Writers Publishing.
A.
published
B.
being published
C.
to be published
D.
to publish
【单选题】听力原文：M: I don't like this novel very much. W: Neither do I. What does the woman mean?
A.
She doesn't know the novel,
B.
She agrees with the man.
C.
She enjoys the novel very much.
D.
She has no opinion.
【简答题】底漆的作用是防止金属表面( ),增强金属表面与 ( ),( )与( )之间的附着力 。
【多选题】碘量法测定CuSO4含量时,试样溶液中加入过量的KI,下列叙述其作用正确的是( )。
A.
还原Cu²+为Cu+
B.
防止I2挥发
C.
与Cu+形成CuI沉淀
D.
把CuSO₄还原成单质Cu
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