四级仔细阅读练习题附参考答案

　　四级仔细阅读练习题原文

　　When the auto enters the highway system, a retractable (可伸缩的) arm will drop from the auto and make contact with a rail, which is similar to those powering subway trains electrically. Once attached to the rail, the car will become electrically powered from the system, and control of the vehicle will pass to a central computer. The computer will then monitor all of the car’s movements.

　　The driver will use a telephone to dial instructions about his destination into the system. The computer will calculate the best route, and reserve space for the car all the way to the correct exit from the highway. The driver will then be free to relax and wait for the buzzer

　　(蜂鸣器) that will warn him of his coming exit. It is estimated that an automated highway will be able to handle 10,000 vehicles per hour, compared with the 1,500 to 2,000 vehicles that can be carried by a present-day highway.

　　四级仔细阅读练习题：

　　1. One significant improvement in the future car will probably be ________.

　　A) its power source

　　B) its driving system

　　C) its monitoring system

　　D) its seating capacity

　　2. What is the author’s main concern?

　　A) How to render automobiles pollution-free.

　　B) How to make smaller and safer automobiles.

　　C) How to solve the problem of traffic jams.

　　D) How to develop an automated subway system.

　　3. What provides autos with electric power in an automated highway system?

　　A) A rail.

　　B) An engine.

　　C) A retractable arm.

　　D) A computer controller.

　　4. In an automated highway system, all the driver needs to do is ________.

　　A) keep in the right lane

　　B) wait to arrive at his destination

　　C) keep in constant touch with the computer center

　　D) inform the system of his destination by phone

　　5. What is the author’s attitude toward the future of autos?

　　A) Enthusiastic.

　　B) Pessimistic.

　　C) Optimistic.

　　D) Cautious.

　　四级仔细阅读练习题参考答案：

　　1. A 2. C 3. A 4.D 5. C