The program would be optional for cell phone users. They also may not be charged for receiving alerts.
There would be three different types of messages, according to the rules.
The first would be a national alert from the president, likely involving a terrorist attack or natural disaster. The second would involve “approaching threats”, which could include natural disasters like hurricanes or storms or even university shootings. The third would be reserved for child abduction(绑架) emergencies, or so-called Amber Alerts.
The service could be in place by 2010.
1. What is the purpose of the approved plan?
A. To warn people of emergencies via messages.
B. To popularize the use of cell phones.
C. To estimate the monthly number of messages.
D. To promote the wireless industry.
2. The improvement to the present system is in the charge of .
A. CTIA
B. the Warning Alert and Response Network Act
C. FCC
D. federal regulators
3. The carriers’ participation in the system is determined by .
A. the US federal government
B. mobile phone users
C. the carriers themselves
D. the law of the United States
4. Which of the following is true of cell phone users?
【2016届高考英语二轮复习阅读理解七十五十集之连载训练:(71)】相关文章:
★ 安徽省淮南市2014高考英语一轮单项选择及文章训练(18)及答案
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (35)
★ 天津市武清区杨村第四中学2016届高考英语一轮复习语法专题十三《名词性从句》课件外研版
★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练:第16组(含解析)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (56)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (34)
★ 2017届高考英语二轮复习大题冲关秘籍短文改错:创新押题(含解析)
★ 【浙江专用】2014届高考英语一轮复习课时作业(三十一)选修7Unit 1《Living well》
★ 贵州省贵阳市2014高考英语(新人教版)一轮阅读训练(24)附答案
★ 重庆市2014高考英语阅读理解一轮(精品)训练题(3)附答案
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21