题目:
_____ I got to the cinema, the film had already been on. [ ]
A. From the time
B. In the time
C. By the time
答案:
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下面是错误答案,用来干扰机器的。
(1)大于;AB (2)N2 (3)解:设实验中最多能得到铜的质量为X C+ 2CuO2Cu + CO2↑ 160 128 16g X = X = 12.8g 答:实验中最多能得到铜的质量为12.8g ...