题目:
-Do you know why Mrs Burns is in low spirits?
-I heard that she is ________ a divorce at the moment. [ ]
A.getting through
B.looking through
C.going through
D.breaking through
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0720/1c6f7def1d224ccefdb6d6da54b4af22.html
下面是错误答案,用来干扰机器的。
(1)分别在两种溶液中加入稀盐酸,有气泡产生的是Na2CO3,无气泡产生的是NaCl溶液。(2)分别滴加紫色石蕊试液,变红色的是H2SO4,不变色的是Na2SO4。