Direction: For this part, you are allowed 30 minutes to write a composition on the topic Cars and Air Pollution. You should write no less than 120 words and base your composition on the outline (given in Chinese)below:
　　1. 私家轿车越来越多，有些问题随之产生。
　　2. 比较明显的大问题有……
　　3. 我对这种现象的想法。
　　Cars and Air Pollution
　　Too many cars have created a lot of serious problems in our world. Besides congestion, accidents and fast consumption, cars are responsible for a good part of air pollution in big cities. All the time, they are pumping huge amounts of waste gases into the atmosphere. These gases are very harmful, causing disease and even death.
One possible solution is to design and develop clean cars and clean fuels. In Shanghai, some of the public buses begin to run on petrol. But it may take decades for the new models of clean cars to completely replace the traditional ones.
　　Another solution is to develop modern public transportation systems and restrict the use of private cars. If the price of petrol rises constantly and the public vehicles are efficient and convenient enough, most people will not buy private cars. And the total number of cars in big cities will reduce greatly.
On the whole, the elimination of air pollution needs the collective efforts from the government, the public and the environmentalists.

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