The way we cook is important. In many countries, the two choices are natural gas or electric-powered stoves. The World Health Organization warns that millions of people are dying every year from indoor air pollution.

Indoor air pollution results from the use of dangerous fuels and cook-stoves in the home. WHO officials say nearly three billion people are unable to use clean fuels and technologies for cooking, heating and lighting. And they say more than seven million people die from exposure to indoor or outdoor air pollution each year. WHO officials say opening a window or door to let out the harmful air will not correct the situation. It will only pollute the outdoors.

WHO officials say indoor pollution leads to early deaths from stroke, heart and lung disease, and lung cancer. Women and girls are the main victims.

The United Nations found that more than 95 percent of households in sub-Saharan Africa depend on solid fuels for cooking. It says huge populations in India, China and Latin American countries, also are at risk.

Nigel Bruce is a professor of Public Health at the University of Liverpool. He says researchers are developing good cook-stoves and other equipment to burn fuels in a more efficient way.“There are already multiple technologies available for use in clean fuels. There is really quite an effective and reasonably low-cost stove that is made by a Sweden-based company that is now being tested out . It has been tested out in a number of African countries .”

In India, you can buy a stove for about $8.00. And in Africa you can buy a solar lamp for less than $1.00.

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1.What do people use fuels for?

A Cooking

B Lighting.

C Heating

D Driving

解析：选D。D 细节理解题。根据第二段第二句“ WHO officials say nearly three billion people are unable to use clean fuels and technologies for cooking, heating and lighting.”可知。

2.Which of the following country is not using the solid fuels?

A China

B India

C America

D Driving

解析：选C。C 细节理解题。根据第四段 “The United Nations found that more than 95 percent of households in sub-Saharan Africa depend on solid fuels for cooking. It says huge populations in India, China and Latin American countries, also are at risk..”可知，而加纳位于非洲，拉丁美洲并不包括美国，所以选C。

3.What does the underlined word stroke refer to?

A 举动

B 冲程

C 中风

D 尝试

解析：选C。C 词义猜测题。根据第三段 “heart and lung disease, and lung cancer.”可知，stroke应该是一种疾病。

4.Which of the following is not true according to the passage?

A Millions of people died from indoor air pollution every year.

B In Africa, Most of people use the dangerous fuels and cook-stoves.

C Opening a window or door to let out the harmful air is not useful.

D In India, people can buy a stove for about $5.00.

解析：选D。D 推理判断题。根据第六段第一句“In India, you can buy a stove for about $8.00.”。可知答案为D。

5.What’s the best title of the passage?

A A new stove.

B Indoor pollution kills millions of people every year

C How to prevent indoor pollution

D The way people cook

解析：选B。B 主旨大意题。第一段的最后一句：“The World Health Organization warns that millions of people are dying every year from indoor air pollution.”为本文的中心句，故选B。