单项选择题

According to the passage, the smart highway technology is aimed to______.

A．optimize the highway capabilities
B．provide passenger vehicles with a variety of services
C．install sophisticated facilities on the interstate highways
D．improve communication between driver and the traffic monitors
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单项选择题
It is stated in the passage that before the production of television, political parties______.
A．received more money
B．attracted more members
C．spent more money to promote their political candidates
D．had more influence over the selection of political candidates
单项选择题
According to the passage, as compared with televised speeches, traditional political discourse was more successful at______.
A．allowing news coverage of political candidates
B．making politics seem more intimate to the citizen
C．placing political issues within a historical context
D．providing detailed information on the candidate's private behavior
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