There would be three types of messages, according to the rules.
The first would be a national alter from the president, likely involving
a terrorists 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.
61. What is the purpose of the approval plan?
A. To warn people of emergencies via message.
B. To popularize the use of cell phone.
C. To estimate the monthly number of messages.
D. To promote the wireless industry.
62. The improvement to the present system is in the charge of ______.
A. CTLA.
B. the Warning Alert and Response Network
C. FCC
D. federal regulators
63. 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
64. Which of the following is true of cell phone users?
They must accept the alert service.
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