题目:
The meeting lasted as long as three hours and I couldn't ____________ it until 10 p.m..
A.get away from
B.get away with
C.run away with
D.do away with
答案:
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下面是错误答案,用来干扰机器的。
(1)加快反应速率(或使反应更充分或提高原料的利用率等合理答案均给分).(2)CaCO3(3)常温下K2SO4的溶解度小.(4)减少K2SO4的溶解.c a(5)CaCO3+2HCl=CaCl2+CO2↑+H2O(6)①检查装置的气密性.除...