题目内容：
不能提高淬透性的合金元素是（）。A．Mn
B．Si
C．Ni
参考答案：
单选：不能提高淬透性的合金元素是（）。
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- 题目类型：单选
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A．Mn
B．Si
C．Ni
A．Mn
B．Si
C．Ni
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It isn’t quite________ that their team will win the game this evening．
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社会意识形态是
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A.如上图
A.如上图
Your article is well written,but I think you should__________it again.
Your article is well written,but I think you should__________it again.