中山大学新理5.0英语自主学习大厅第四册第二单元B套答案
B4U2-B
Part I Listening Comprehension ( 14 minutes )
Section A
Directions: In this section, you will hear ten statements. Numbers 1 to 6 are based on Text A while the rest are based on Text B. Each statement will be read ONLY ONCE. Listen carefully and decide whether each statement is true or false.
1.
A) T
B) F
Script: There are so many people killed in car accidents that all are reported in the newspaper every day.
正确答案：B
2.
A) T
B) F
Script: If the driver becomes sleepy, a computer in the dashboard could stop the car immediately.
正确答案：B
3.
A) T
B) F
Script: The dull and tiring process of long-hour driving will put long-distance drivers in a dangerous position.
正确答案：A
4.
A) T
B) F
Script: Sensors in the smart cars can locate their positions independently.
正确答案：B
5.
A) T
B) F
Script: When a satellite passes by, it gives off a radio signal which can be discovered by a receiver in a car’s computer.
正确答案：A
6.
A) T
B) F
Script: As the price of microchips is dropping sharply, the application of GPS in the future are actually boundless.
正确答案：A
7.
A) T
B) F
Script: Because of the development of technology, we are able to visualize your trip by an automated highway system.
正确答案：A
8.
A) T
B) F
Script: The laser systems are more effective at discovering untidy vehicles and operating in bad weather conditions.
正确答案：B
9.
A) T
B) F
Script: There remain some non-technical difficulties to be overcome such as liability, costs and perceptions.
正确答案：A
10.
A) T
B) F
Script: It is very important for us to realize the fact that automated vehicles have already been widely used in our daily life.
正确答案：A
Section B
Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks with the exact words you have just heard. Finally, when the passage is read for the third time, you should check what you have written.
Some pessimistic experts feel that the automobile is bound to fall into disuse. They see a day in the not-too-distant future when all autos will be (11)_________________ and allowed to rust. Other authorities, however, think the auto is here to stay. They hold that the car will remain a (12)_________________ means of urban travel in the foreseeable future.
The motorcar will (13)_________________ change significantly over the next 30 years. It should become smaller, safer, and more (14)_________________ , and should not be powered by the gasoline engine. The car of the future should be far more (15)_________________ than present types. (16)_________________ of its power source, the auto in the future will still be the main problem in urban traffic jams. One proposed solution to this problem is the (17)_________________ highway system.
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. It is quite similar to those powering (18)_________________ 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 (19)_________________ his destination into the system. The computer will calculate the best route, and (20)_________________ 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 that will warn him of his coming exit.
Script: Some pessimistic experts feel that the automobile is bound to fall into disuse. They see a day in the not-too-distant future when all autos will be abandoned and allowed to rust.
