问题
选择题
The policeman asked the child so that he could take him home.
A．where he will live
B．where he lived
C．where did he live
D．where does he live
答案
答案：B
题目分析：句意：警察问孩子住在哪，这样他能把他送回家。asked一般过去时，宾语从句应时态一致，故从句也应用一般过去时。宾语从句应用陈述语序。因此，选B
HCl＋HClO。为了探究HClO的漂白性，某同学设计了如下的实验。