{{I}} Questions 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
Now, listen to the news.{{/I}}

单选题 According to the news, which county contributes to the largest part of gas emission at present?

A、 United States.
B、 China.
C、 Japan.
D、 Australia.

【正确答案】 A

【答案解析】[听力原文]29-30 The chief economist of the International Energy Agency has told a U.S. newspaper that China will overtake the United States this year as the world's biggest source of greenhouse gases. Earlier, estimates have suggested China would surpass the U. S. by 2010. In an interview in the Wall Street Journal the head of the IEA says Beijing's refusal to limit gases will allow China to increase its emissions nearly unchecked.

单选题 What does the head of the IEA suggest as the reason for the increase of emission in China?

A、 Because of the rapid development of private cars in big cities.
B、 Because of the further promotion of China's open-up policy.
C、 Because of governmental policy of refusing to limit gases.
D、 Because of the rising consumption of gases in domestic heavy industries.

【正确答案】 C

【答案解析】