Beijing was the third polluted city in the world at the end of last century, according to the UN. But thanks to recent measures, the capital has made some progress. Last year 224 clear days were rated as having good air quality. In 1998 the air quality index(指数)gave just 100 days as good.
“I am glad to see an improvement, ”said a senior 1 boy living in the northwest of Beijing. “Compared to other places, the air quality of Beijing is still worrying though. I hate po
llution. Once I was riding my bike in the morning when I almost had a traffic accident because I couldn’t see a car only metres away from me in fog. ”
In early October, the skies were covered by such a thick fog that a display show by the visiting French Air Force was called off.
Rapid development, industry, traffic fumes and sandstorms from the desert all contribute to the city’s bad air.
29. The passage is mainly about .
A. a programme aiming at improving Beijing’s air quality
B. progress made in Beijing’s air quality
C. Beijing’s air pollution
D. the differences between Yinchuan and Beijing
30. Which of the following is NOT the measure taken or to be taken to improve Beijing’s air quality?
A. Clean fuel technology will be used in public transports.
B. Some factories have been asked to cut production.
C. Some construction sites have been told to be closed.
D. A display show of airplanes has been called off.
31. We can infer from the passage that, with the aim of being an ecological city, .
A. far more still needs to be done
B. nothing else needs to be done
C. all traffic has to be closed
D. the development of the city has to be slowed down
32. Which of the following is NOT correct according to the passage?
A. Beijing’s air quality is getting worse and worse.
B. Rapid development, industry, traffic fumes and sandstorms are all the causes of bad air quality.
C. People see clouds of smoke in the sky in the winter of Beijing.
D. The government is making efforts to stop air pollution.