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外研版高中英語選修8module6thetangpoemsperiodone基礎(chǔ)訓(xùn)練2-閱讀頁

2024-12-22 19:48本頁面
  

【正文】 ion D. in favor 能力提升 閱讀理解 One of the world’s richest men has taken a close interest in one of man’s most basic functions: visiting the Gates’ charitable anization , the Bill amp。 Period One Warm173。up amp。 Melinda Gates Foundation, is looking for inventors to design the toilet of the future, which, they hope, would improve sanitation for millions of people around the world. So, what’s wrong with the traditional flush toilet(抽水馬桶 )? Firstly, it wastes a huge amount of potential drinking is a real problem in many areas of the developing world, where, according to the United Nations’ estimates , unsafe sanitation causes half of all people are particularly at which cause diarrhea(腹瀉 ) are responsible for the deaths of about million children a , standard lavatories simply aren’t practical in remote areas. The challenge set by Bill Gates was to e up with a latrine(戶外廁所 ) which works without running water, electricity or a septic tank(化糞池 ). It also needed to operate for less than 5 cents( RMB). 28 designs were displayed at the recent Reinvent the Toilet Fair in Seattle, them was one which turned poo(糞 ) into electricity using microwaves, another which converted poo into charcoal, and yet another which used urine(尿 ) for flushing. But the winner was a solar173
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