Thewaywecookisimportant.Inmanycountries,thetwochoicesar...

問題詳情：

The way we cook is important. In many countries, the two choices are   61   (nature) gas or electric-powered stoves.

The World Health Organization warns that millions of people    62   (suffer) from indoor air pollution at present time, which results from the use of dangerous    63       (fuel) and cook-stoves in the home.

WHO officials say nearly three billion people are   64   (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   65   （develop）countries, such as lndia, China and Latin American countries.

WHO officials say opening a window or door   66   （let）out the harmful air will not correct the situation ,   67   will only pollute the outdoors.

Nigel Bruce,   68   is a professor of Public Health at the University of Liverpool, says researchers are developing good cook-stoves and other equipment to Burn fuels   69   a more efficient way.

But, this is just a start. It is urging developing countries to use   70   (clean) fuels and increase access to cleaner and more modern cooking and heating appliances（用具）.

【回答】

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