There is no doubt that water is one of the most important resources（資源） for man.But in fact we're facing serious water problem.
Problems
Although water covers 71 percent of earth's surface，we can only use a very small amount of jye.ai.It's about 3 percent and it's in lakes，in rivers and underground.Today，there are over 663 million people living without a safe water supply（供應(yīng)）.
Themes
To remind people of the importance of water，the UN first set WORLD WATER DAY in 1993.It is celebrated on March 22 each year.Every year has a theme.
| Year | Theme | Year | Theme |
| 2020 | Water and Climate Change | 2022 | Groundwater—Making the Invisible Visible（看得見） |
| 2021 | Valuing Water | 2023 | Accelerating（加速）Change |
In fact，many governments and organizations have already taken actions to offer good solutions.In some countries，people have their own solutions for saving water and reusing waste water.
| Turn off the water. South Africa is one of the world's driest countries.Turn off the water while brushing your teeth.It can save 600 liters（公升）water a month for a person. |
|
Collecting rainwater is an important way to save water in Germany.Most houses built in the last few years have rainwater collection systems. |
| Keep the grass longer Most Australians have a grass lawn around their home.They try their best to keep the grass longer. |
As students，we should try our best to fight against the problem of water waste.What we can do is to support charities，take part in the World Water Day events，be careful with how we use water in our own lives，and so on.
（1）As for water we use，what problem do many people face all over the world？
Today，there are over 663 million people living without a safe water supply close to home.
Today，there are over 663 million people living without a safe water supply close to home.
（2）What's the purpose of World Water Day？
To remind people of the importance of water.
To remind people of the importance of water.
（3）How much water can they save in a month if three people in Mike's family turn off the water while brushing their teeth？
1800 liters.
1800 liters.
（4）Please complete the
Collect rainwater
Collect rainwater
in the chart.（5）As students，what else can we do to deal with the problem of water waste？
We can make signs to call on more people to save water.
We can make signs to call on more people to save water.
【考點】說明文；環(huán)境保護．
【答案】Today，there are over 663 million people living without a safe water supply close to home.；To remind people of the importance of water.；1800 liters.；Collect rainwater；We can make signs to call on more people to save water.
【解答】
【點評】
聲明：本試題解析著作權(quán)屬菁優(yōu)網(wǎng)所有，未經(jīng)書面同意，不得復(fù)制發(fā)布。
發(fā)布：2024/6/12 8:0:8組卷：3引用：1難度：0.1
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