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：【答案仅供学习，请勿对照自行用药等】
单选：不能提高淬透性的合金元素是（）。
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A．Mn
B．Si
C．Ni
A．Mn
B．Si
C．Ni
Magic(魔法)0ften forces us not to believe our own eyes or even appears to be break
Magic(魔法)0ften forces us not to believe our own eyes or even appears to be breaking the laws of phys
It isn’t quite________ that their team will win the game this evening．
It isn’t quite________ that their team will win the game this evening．A．exactB．rightC．sureD．certain
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.