问题
选择题
The journey around the world took the old sailor nine months, _____ the sailing time was 226 days. [ ]
A. of which
B. during which
C. from which
D. for which
答案
答案：A
搜题请搜索小程序“爱下问搜题”
The journey around the world took the old sailor nine months, _____ the sailing time was 226 days. [ ]
A. of which
B. during which
C. from which
D. for which
答案：A
有一物质X，分成等量的三份，分别加入到足量的NaOH溶液、氯化钡溶液、HCl溶液中，产生的现象如下表。则该物质X是下列各项中的
| 加入物质 | NaOH溶液 | 氯化钡溶液 | HCl溶液 |
| 现象 | 产生蓝色沉淀 | 产生白色沉淀 | 无明显现象 |