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Passage One
When a sleepy driver has trouble in keeping his eyes on the road and gets too close to another car, an alarm sound will warn the driver. 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. The computer warning system keeps track of a driver’s condition by monitoring his heart beat with signals transmitted from a band round his wrist. The wrist band records the driver’s pulse which measures the heat beat. 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.
Questions 26 to 28 are based on the passage you have just heard.
26.Why is a computer system installed in an experimental car?
【解析】C题目是问为什么计算机系统要被装在实验的车里,文章已开始说如果两辆车离得太近的时候,有没有什么措施,车就会自动的停止,这样就会防止事故的发生,所以选C。
27.What did the computer system do first when a problem arises?
【解析】B文章的最后说如果有事情发生的时候,车里的计算机系统就会发出警报,所以选B。
28.What is special about the new computer system?
【解析】D袖口记录了司机的脉搏,也就是心跳,每次脉冲都会传递给计算机一个信号,通过分析脉冲频率,计算机能够分辨出司机是否醉酒、睡觉。所以选D。
Passage Two
Men have traveled ever since they first appeared on the earth. In primitive times they did not travel for pleasure but to find new places where their herds could feed, or to escape from hostile neighbors, or to find more favorable climates. They traveled on foot. Their journeys were long, tiring, and often dangerous.
Being intelligent and creative, they soon discovered easier ways of traveling. They rode on the backs of their domesticated animals; they hollowed out tree trunks and, by using bits of wood as paddles, were able to travel across water. Later they traveled, not from necessity, but for the joy and excitement of seeing and experiencing new things. This is still the main reason why we travel today.
Scientists have invented machines that can explore outer space. Eventually there will be cheap day excursions to the moon and honeymoons on Venus. People will be able to fly from one planet to another in nasty little arrowshaped tubes. I say “people” because I have no intention of being one of them.
Questions 29 to 31 are based on the passage you have just heard.
29.Which of the following is not the reason for men in primitive times to travel?
【解析】D属细节题。该题是问四个选项中哪一个不是原始社会人们旅行的理由。文章第一段中说:In primitive times they did not travel for pleasure but to find new places where their herds could feed, or to escape from hostile neighbors, or to find more favorable climates.(在原始社会,人们旅行不是为了享受快乐,而是为了给他们的牛羊找到新牧场,逃离不和睦的邻居,或者找到气候条件更好的地方。)前三个选项均有提及,故正确答案是D项。 |