优尼全能英语：美国小学生学英文Fresh Water

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优尼全能英语：美国小学生学英文Fresh Water

UNIT 07 Fresh Water

Fresh water comes from ponds, lakes, rivers, and streams. People use fresh water for drinking, farming, and so on. People can only drink fresh water. People should

drink 2 liters of water every day to make their bodies healthy. Believe it or not, 18 percent of the world’s population does not have enough drinkin g water. Therefore, people should try to protect fresh water on Earth。

Select True or False

❶ People should protect fresh water on Earth. (T/F)

❷ Fresh water is easy to get on Earth. (T/F)

❸ People should drink 2 liters of water every month. (T/F)

More to know

enough

enough有“充分的;足够的”等意思。表示可以充分满足特定需求的意思。

··Three books are enough。

3本书就足够了。

··We have enough money。

我们有足够的现金。

READING COMPREHENSION

*Read and circle the best answer。

❶ How much water should a person drink each day?

a. 1 liter

b. 2 liters

c. 12 liters

❷What percentage of the world’s population doesn’t have enough drinking water?

a. 18%

b. 21%

c. 38%

*Complete the sentence with the right answer。

❸ Fresh water comes from ponds, lakes, rivers, and 。

a. mud

b. streams

c. sand

❹ Fresh water is used by people for many reasons such as drinking, and so on。

a. studying

b. exercising

c. farming

DESCRIBE THE PICTURE

*Circle the correct sentence。

❶ A leopard is sleeping。

❷ A leopard is drinking fresh water。

❸ A leopard is washing with fresh water。