题目内容：

“The car of tomorrow” runs one of the most famous businesses in advertising. People used to believe that science would promise a future of endless spare time and very cheap electricity. Nowadays the scientists’ predictions are a great deal less optimistic: a world challenged by climate change and decreasing resources.

In fact, “the car of the future” is just a symbol of hope. Carbon emis-Investment in new technology to maximize efficiency (效率) and minimize environmental damage is not only cleaning up the automobile producers’ act but is also setting an example to other industries.

It’s said that most cars of today run at about 15 per cent efficiency, which does highlight the potential (突显潜力) for improvement. Get it right, and we could continue to enjoy the freedom that comes with owning a car, without the worries.

Of course, many advances have already been made. There’s evidence that the buying public is eager to switch to cleaner, greener cars. And with petrol prices increasing there is no doubt that economical, efficient engines are going to be in ever greater demand.

The good news is that we can all drive “the car of tomorrow” today, without having to worry about the purchase cost. By choosing our holiday hire cars wisely we can cut down on our fuel costs and experience an eco-friendly drive whether or not we have already made the commitment back home. What’s more, we are caring for the beautiful places we love to holiday in. Hire a green car and you make a difference to the environment.

Designers will always enjoy catching our imagination with “concept cars” that look more like miniature spaceships than anything you see on the highway. Whether vehicles as radical (激进的) as these creations will eventually become family cars remains to be seen. But, for the moment, there’s no doubt at all what “the car of tomorrow” will be, and it’s here today: something familiar and friendly that does its job with considerably less trouble and much greater efficiency than the car of yesterday.

1.From the text the author wants to       .

A. make a comparison    B. introduce a new kind of car

C. make an advertisement    D. change an old concept

2.One current worry about developing the car industry is that       .

A. it provides less money

B. it’s not environmentally friendly

C. the competition is very fierce

D. the economic situation affects it a lot

3.It can be inferred from the fourth paragraph that       .

A. fewer cars will be produced in the future

B. cleaner and greener cars are more expensive

C. cleaner and greener cars are in great need

D. no measures have been taken to improve car efficiency

4.What can we learn about “concept cars”？

A. It is doubtful that they will become family cars.

B. They’re considered as a result of imagination.

C. They’re of high efficiency and make less pollution.

D. They look like traditional cars on the highway.