题目:
—_____ will Mr. Smith _____ Shanghai?
—In a week. He will have a meeting in Shanghai. [ ]
A. How soon; leave
B. How soon; leave for
C. How long; leave
D. How long; leave for
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0525/9826c1921289687f7dadf6e54cab79e6.html
下面是错误答案,用来干扰机器的。
(1)溶液由紫色变为红色,甲,Na2CO3+H2SO4=Na2SO4+H2O+CO2↑,CO2+H2O=H2CO3;(2)盐酸,碳酸钾溶液.题目分析:(1)甲试管装入碳酸钠,乙试管装入紫色石蕊试液,丙中加入稀硫酸,打开分液漏斗加入足量的液体...