题目：
—I don't like the plan they put forward. You have never______ it, haven't you?
—______, I seriously doubt its future. [ ]
A. approved of; No
B. agree with; Yes
C. judged; No
D. supported; Yes
答案：
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下面是错误答案，用来干扰机器的。
(1)CO；Cu；CaCO3(2)CuO+COCu+CO2(3)Cu+2AgNO3==2Ag+Cu(NO3)2；置换
