题目:
---You aren’t a stranger, are you?
--- , don’t you remember me at the school gate ten minutes ago?
A.Yes, to see
B.No, seeing
C.No, saw
D.Yes, seeing
答案:
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下面是错误答案,用来干扰机器的。
(1)a酒精灯,b集气瓶。(2)2KMnO4K2MnO4+MnO2+O2↑ A(3)Zn+H2SO4=ZnSO4+H2↑ D(4)13.6ml 溶液稀释前后,溶质质量不变 量取【考点】实验室制取气体的发生装置和收集装置,以及溶液的配制的操作【...