题型：语法填空（语篇） 题类：常考题 难易度：普通
人教版（新课程标准）高中英语必修2 Unit 2 The Olympic Games 同步练习2
The way we cook is important. In many countries, the two choices are (nature) gas or electric powered stoves.
The World Health Organization warns that millions of people (suffer) from indoor air pollution at present time, which results from the use of (danger) fuels and cook stoves in the home.
WHO officials say nearly three billion people are (able) to use clean fuels and technologies for cooking, heating and lighting. As a result, more than seven million people die from exposure to indoor or outdoor air pollution each year. Most of the deaths are in (develop) countries, such as India, China and Latin American countries.
WHO officials say opening a window or door (let) out the harmful air will not correct the situation. will only pollute the outdoors.
Nigel Bruce, is a professor of Public Health at the University of Liverpool, says researchers are developing good cookstoves and other equipment to burn fuels a more efficient way.
But, this is just a start. It is urging developing countries to use (clean) fuels and increase access to cleaner and more modern cooking and heating appliances (用具).
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