题目内容

Who can think of a situation __________ this idiom can be used?

A. which B. that

C. where D. in that

C

【解析】

试题分析:考查定语从句。本题定语从句的先行词是a situation,后面的定语从句句子结构很完整。Situation“情况” ,在这里可以理解成“这里、在---方面,”故使用where在句中作状语,引导定语从句。句意:谁能想出一个情况,这个短语可以使用在这个情况之中。故C正确。

考点:考查定语从句。

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After years of research and testing, the hybrid car was developed and put on the market. It’s an interesting and exciting new improvement in today’s world as we look for better ways to protect the quality of the air we breathe and conserve our natural resources.

The quality of our air is affected by many different things. But one of the largest sources of air pollution is the burning of fossil fuels such as coal and gasoline which are used to power a car’s engine. The EPA has set national standards to help control the level of harmful pollutants sent off into the air, and the automobile industry has acted by producing a hybrid car that uses less gas and therefore causes less pollution.

A hybrid car is a combination of a regular car that runs on gasoline and an electric car that is battery powered. Some people tend to think that since the hybrid car is partially electric, you have to plug it in to charge it. But that’s not how it works. The 144 volt battery pack is actually recharged( 充电 ) through the energy that is produced when the car’s brakes are used. This is referred to as “regenerative braking”, because it generates electricity.

Although the hybrid car still runs on gasoline most of the time, this helps it use less gas than a regular car. When the driver stops at a traffic light, the engine automatically ( 自动地;机械地 )shuts off to save fuel. Then, as soon as the driver puts the car in gear and touches the gas pedal, the engine starts back up.

Have you ever ridden in a car with someone who ran out of gas? That probably wouldn’t happen if you were riding in a hybrid car. It flashes a warning on its computer screen that says, “I am low on gas”. When it completely runs out, the warning reads, “YOU ARE NOW OUT OF GAS!” Then the electric power supply kicks in to let the driver travel a few more miles to a gas station.

1.According to the passage, the word “hybrid” refers to ________.

A. a high tech discovery B. energy saving

C. a new invention D. a combination of two things

2.“Regenerative braking” is an important process of the hybrid car because ________.

A. it allows the car to come to a quick stop

B. it gives the driver a smoother ride

C. it produces energy to charge the battery

D. it can control the speed of the car

3.Which of the following is right about the EPA?

A. They designed hybrid cars.

B. They outlawed (宣布……为不合法) the burning of fossil fuels.

C. They set important guidelines that help control pollution.

D. Their main purpose is to protect endangered plants and animals.

4.Which of the following is the reason for developing hybrid cars?

A. They use less gas than regular cars.

B. They’re safer to drive than most cars.

C. They’re more modern than other cars.

D. They cost less than regular cars

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