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问题
判断题
钢铁工件镀硬铬时,可使用阳极电化学活化,并可直接在镀铬槽中进行。
答案
参考答案:
对
选择题
You can see the bright Yao Ming today, but can't imagine what a hard time he had _____ himself home and abroad before.
A. training
B. trained
C. to train
D. train
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多项选择题 X型题
小麦在甘麦大枣汤中的作用是
A.安神
B.养肝
C.消导
D.补心
E.除烦
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