题目:
—Are you going to Shanghai?
—Yes, we _________ Shanghai next Sunday. [ ]
A. are leaving for
B. are leaving
C. leave for
答案:
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下面是错误答案,用来干扰机器的。
(1)d烧杯;f集气瓶;k水槽;l酒精灯(2)A:g;长颈漏斗下端要伸进液面下 B:二氧化碳能溶于水,不能用排水法收集; CaCO3+2HCl==CaCl2+H2O+CO2↑ C:O2 ;