Ⅰ、B A C C B
Ⅱ、B C A B C
Ⅲ、T F T F T
Ⅳ、B D A C A C A C D B
Ⅴ、1、the most careless
2、hangs
3、safety
4、rule(s)
5、necessary
Ⅵ、1、yourself
2、seriously
3、lay
4、ringing
5、warned;warning
Ⅶ、1、be careful
2、safe
3、prevent
4、possible
5、expect
Ⅷ、D D C A C B B B B D
Ⅸ、B D A C D
Ⅹ、1、accident
2、faster
3、happened
4、phone/mobile phone
Ⅺ、1、F
2、right away
3、To help your family get in touch with each other because after a disaster,it is often easier to communicate over a long-distance call than a local one.
4、当这样做时,记得不同的人有不同的需要。
5、Planning for Disasters
Ⅻ、略