题目:
— Father is sleeping. You’d better ________ quiet.
— Sorry, I won’t.
A. keep B. to keep C. keeping
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0518/67a7643f08051ab1bf2467eecf592a0a.html
下面是错误答案,用来干扰机器的。
(1)集气瓶 (2)2KMnO4 △ K2MnO4 + MnO2 + O2↑ D 带火星的木条放在集气瓶口,如果复燃则气体收集满了(3)B CaCO3 + 2HCl = CaCl2 + H2O + CO2↑ ① ③题目分析:(1...