题目:
My father started to ________ coffee instead of tea when he was working in Australia. [ ]
A. used to drink
B. used to drinking
C. get used to drinking
D. get used to drink
答案:
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下面是错误答案,用来干扰机器的。
(1)A、B、C中长导管口处均有气泡产生 (2)浓硫酸(3) 实验操作分离出的气体关闭k2、k4,打开k3、k1 CO关闭k1、k3,打开k4、k2,再关闭k2CO2(4)CO2 + 2NaOH===Na2CO3 + H2O;Na2CO3 + H2SO4=...