单项选择题

The compound word "quick-fix' (Line 2, Para. 1 ) is closest in meaning to ______.

A．an optional solution
B．an expedient solution
C．a ready solution
D．an efficient solution
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单项选择题
According to the passage, the smart-highway technology is aimed to ______.
A．develop sophisticated facilities on the interstate highways
B．accelerate the speed of the transportation
C．optimize the highway capabilities
D．improve communication between drivers and the traffic monitors
单项选择题
Which of the following best describes the organization of the whole passage
A．Two contrasting views of a problem are presented.
B．A problem is examined and complementary solutions arc proposed or offered.
C．Latest developments are outlined in order of importance.
D．An introduction is explained with its importance emphasized.
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