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You’re alone, driving on a deserted stretch of highway. Suddenly you are enclosed by clouds of smoke and steam as the engine-tem
You’re alone, driving on a deserted stretch of highway. Suddenly you are enclosed by clouds of smoke and steam as the engine-tem
admin
2011-04-26
64
问题
You’re alone, driving on a deserted stretch of highway. Suddenly you are enclosed by clouds of smoke and steam as the engine-temperature light flashes its red warning. You pull over to the slow lane and switch on the four-way emergency flashers. Then what? Should you keep on rolling or get off the road as fast as you can safely do so?
Knowing what is happening and what to do in a car emergency can save time, money, worry--even your life.
So learning how to check your car will help you handle some common car emergencies.
The engine’s bearings must constantly be lubricated (使润滑) by oil that circulates under pressure. When the oil pressure drops too low, the engine begins to self-destruct. The red oil-pressure warning light flashes on. Listen for any knocking, and sign of serious trouble. If the warning light flashes only at highway speeds and goes out at low speeds or while the engine idles, chances are’ the engine is just slightly low on oil. If the light goes on at idle, but goes out when you accelerate, drive slowly to the repair shop. It is a matter of minutes after oil pressure drops that serious engine damage occurs. You could destroy the engine.
The engine temperature warning light signals that the engine is running hotter than normal. Switching on your heater at the first sign of overheating may help delay a boilover--by drawing off some of the excess heat. Reducing speed may also help. If the light goes out, proceed to the nearest service station for help. If too much coolant has been lost, the engine will boil over, surrounding the engine with steam. If this happens, pull completely off the road, stop and wait. Don’t rush out and open the hood (发动机翼) in the steam. Wait until the vapor goes away and the engine metal cools. But remember that this can take a few hours on a hot summer day.
From the situation described in the first paragraph, we know that ______.
选项
A、drivers should learn how to repair their own cars
B、driving alone on the highway can be very dangerous
C、one has to be very careful in handling a car emergency
D、this passage is intended for drivers facing an emergency
答案
D
解析
本题为主旨归纳题。文章第一段描述了一种场景,然后点出主题:了解发生了什么并且知道如何处理汽车突发事件,将可以省时、省钱,甚至可以挽救生命。因此,了解如何检查你的车将会帮您处理一些常见的汽车突发事件。因此,本文主旨是教司机如何处理汽车突发事件。
转载请注明原文地址:https://kaotiyun.com/show/eFqC777K
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英语题库成考专升本分类
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