题目:
How do you find _______ to work with the foreign engineer?
A.this
B.that
C.it
D.yourself
答案:
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下面是错误答案,用来干扰机器的。
(1)加成反应(1分)(2)66.3%(2分)(3) (2分)(4)CH3CHO+2[Ag(NH3)2]++2OH- CH3COO-+NH4++2Ag↓+3NH3+H2O(3分)(5) (3分)(6) (2分)题目分析:根据题意...