Yet more than 700 million people around the world have-|||-trouble getting clean,safe water.-|||-Treating(处理) wastewater is a good way to provide fresh water for us.And it also helps-|||-the environment by keeping waste out of rivers and oceans. 80% of wastewater around the world-|||-is not treated at all,and it is running into oceans. But now we have got the technology to treat-|||-and reuse the wastewater.-|||-While 75% of our planet is covered with water,only about 2%is fresh water-that comes-|||-from rivers,lakes,ice and snow.The rest,98 % of the water,is in seas and oceans.It is too-|||-salty to drink.Then desalination(海水淡化)businesses come in.More than 19,000 factories-|||-have been built around the world,mostly in coastal countries. They process (加工)more than-|||-92 million tons of water every day. But the technology needs a lot of energy.-|||-Scientists are working to create a less costly technology.They want to produce 20 times more-|||-clean water and make sure everyone has enough. But for now,the world still faces with not-|||-having enough water for everyone each day.-|||-)34.How many people have trouble in getting clean water around the world?-|||-

参考答案与解析：

相关试题

Water is a human right and everyone should have their share. Yet more than 700 million people around

Water is a human right and everyone should have their share. Yet more than 700 m

  • 查看答案

    • Water is a human right and everyone should have their share. Yet more than 700 million people around

    Water is a human right and everyone should have their share. Yet more than 700 m

  • 查看答案

    • The undersea world is very beautiful.Now more and more people want to divein the water to find the s

    [问答题]The undersea world is very beautiful.Now more and more people want to divei

  • 查看答案

    • The 36 is that countries around the world have growing mountains of 37 because people are throwi

    The 36 is that countries around the world have growing mountains of 37 becau

  • 查看答案

    • The huge fire is reported to have ______ more than 300 people dead.

    The huge fire is reported to have ______ more than 300 people dead.A. remainedB.

  • 查看答案

    • To win today, companies must be powered by people who have the ________ to see how the world around

    To win today, companies must be powered by people who have the ________ to see h

  • 查看答案

    • To win today, companies must be powered by people who have the ________ to see how the world around

    To win today, companies must be powered by people who have the ________ to see h

  • 查看答案

    • 82 [翻译题,1分] ( ) As more people around the world adopt these instruments, they are becoming indispens

    82 [翻译题,1分] ( ) As more people around the world adopt these instruments, they ar

  • 查看答案

    • To win today, companies must be powered by people who have the ______ to see how the world around th

    To win today, companies must be powered by people who have the ______ to see how

  • 查看答案

    • Passage Three For more than six million

    [单选题]Passage ThreeF．or more than six million American children, coming home after school means coming home to an empty house. They spend part of each day alone. They are called "latchkey children". They're children who look after themselves while their

  • 查看答案