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外语
A、It sends out signals for help. B、It takes over the driving immediately. C、It stops the car automatically. D、It sounds an alarm
A、It sends out signals for help. B、It takes over the driving immediately. C、It stops the car automatically. D、It sounds an alarm
admin
2010-07-24
94
问题
When a sleepy driver has trouble with keeping his eyes on the road and gets too close to another car, an alarm sound will warn the driven If nothing is done, the car will automatically come to a stop and in this way prevent an accident. This is a new device which will soon be tested in an experimental car in Japan (33) . The computer warning system keeps track of a driver’s condition by monitoring his heartbeat with signals transmitted from a band around his wrist (35) . The wrist hand records the drivers’ pulse which measures the heartbeat. Each pulse in the wrist sends a signal to the computer. By analyzing the pulse rate, the computer can determine whether a driver is drunk, sleeping or ill. Devices in other parts of the car can also tell the computer if the car is too close to another vehicle or is moving dangerously. The computer will sound the alarm when a problem arises, and will automatically stop the car if the driver ignores the warning (34) .
选项
A、It sends out signals for help.
B、It takes over the driving immediately.
C、It stops the car automatically.
D、It sounds an alarm to warm the driver.
答案
D
解析
题目问如果出现问题,电脑系统首先会做什么。从短文最后一句“The computer will sound the alarm when a problem arises,and will automatically stop the car if the driver ignores the warning”可以判断,电脑系统会首先发出警报提醒驾驶员。
转载请注明原文地址:https://kaotiyun.com/show/FkN7777K
0
大学英语四级
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