题目内容

Service stations, motels and restaurants promoted the development of the interstate highway system.

A. Y
B. N
C. NG

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It was in the 190s that the American government finally took action to build a national highway system.

A. Y
B. N
C. NG

According to the passage, when a person has first lost a job, more often than not, he feels______.

A. excited
B. isolated
C. shocked
D. depressed

Many of the problems presented by the country's geographical features found solutions in innovative engineer projects.

A. Y
B. N
C. NG

Which of the following is an example of inertia?

A boat can stay on water.
B. A plane can fly in the air.
C. You can walk faster on a very smooth surface.
D. You can go forward and backward on a swing.

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