Federal regulators Wednesday approved a plan to create a nationwide emergency alert（警報(bào)）system using text messages delivered to cell phones.
Text messages have exploded in popularity in recent years，particularly among young people.The wireless industry’s trade association, CTIA，estimates（估計(jì)）more than 48 billion text messages are sent each month.
The plan comes from the Warning Alert and Response Network Act，a 2006 federal law that requires improvement to the nation's emergency alert system.The act tasked the Federal Communications Commission (FCC) with coming up with new ways to alert the public about emergencies.
“The ability to deliver accurate and timely warnings.and alerts through cell phones and other mobile services is an important next step in our efforts to help ensure that the American public.has the information they need to take action to protect themselves and their families before, and during,disasters and other emergencies. ”FCC Chairman Kevin Martin said following approval of the plan.
Participation in the alert system by carriers—telecommunications companies is voluntary, but it has received solid support from the wireless industry.
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（綁架）emergencies,or so-called Amber Alerts.
The service could be in place by 2010.
【小題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.
【小題2】 The improvement to the present system is in the charge of ________.
A．CTIAB．the Warning Alert and Response Network
C．FCC D．federal regulators
【小題3】 The carriers' participation in the system is determined by ________.
A．the US federal governmentB．mobile phone users
C．the carriers themselves D．the law of the United States
【小題4】. Which of the following is true of cell phone users?
A．They must accept the alert service.
B．They may enjoy the alert service for free.
C．They must send the alerts to others
D．They may choose the types of messages
【小題5】. Which of the following would be the best title for the text?
A，Cell Phone Alerts Protecting Students
B.   Cell Phone Alerts by Wireless Industry
C. Cell Phone Alefts of National Disasters
D. Cell Phone Alerts Coming Soon


【小題1】A
【小題2】C
【小題3】C
【小題4】B
【小題5】D

解析試題分析：
【小題1】A 事實(shí)細(xì)節(jié)題，根據(jù)第一段的Wednesday approved a plan to create a nationwide emergency alert（警報(bào)）system using text messages delivered to cell phones可知，目的是使用短信來向人們發(fā)出警報(bào)
【小題2】.C 事實(shí)細(xì)節(jié)題，根據(jù)第三段.The act tasked the Federal Communications Commission (FCC) with coming up with new ways to alert the public about emergencies可知
【小題3】C 事實(shí)細(xì)節(jié)題，根據(jù)第五段的 Participation in the alert system by carriers—telecommunications companies is voluntary可知，參與是自愿的，因此由他們自己決定
【小題4】B 事實(shí)細(xì)節(jié)題，根據(jù)第六段的 They also may not be charged for receiving alerts可知，可能是免費(fèi)的
【小題5】.D 主旨大意題，根據(jù)中心段落第一段可知，文章主要講述的是一項(xiàng)通過手機(jī)短信來通知人們緊急情況的方案即將出臺(tái)。
考點(diǎn)：考查新聞?lì)惗涛拈喿x
點(diǎn)評(píng)：文章主要講述的是一項(xiàng)通過手機(jī)短信來通知人們緊急情況的方案即將出臺(tái)。以細(xì)節(jié)題的考查為主，在解答這類問題時(shí)要求學(xué)生抓住題干文字信息，采用針對(duì)性方法進(jìn)行閱讀，因?yàn)檫@類題的答案在文章中可以直接找到。

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