unit 10 Drought

　　A drought is a long period of water shortage. If we have no rainfall for a long time, we can face drought. During a drought, we can see a lot of damage to nature. A drought can cause a wildfire. This wildfire usually lasts a few days and sometimes a few weeks. This wildfire can destroy our houses and woods. And it takes lives, too。

　　Select True or False

　　❶ A drought is a water shortage. (T/F)

　　❷ People like a drought. (T/F)

　　❸ A drought can cause a fire. (T/F)

　　More to know

　　last

　　last 有“持续”的意思。表示时间的延续时使用。

　　··The lesson lasts two hours。

　　这堂课持续了两个小时。

　　··This color lasts long。

　　这个颜色可以保持很长时间。

　　READING COMPREHENSION

　　*Read and circle the best answer。

　　❶ What can happen when there is a drought in your town?

　　a. It can cause rain。

　　b. It can cause wildfire。

　　c. It can cause lightning。

　　❷ What can a wildfire do to our life?

　　a. destroy our houses

　　b. make our houses

　　c. grow plants

　　*Complete the sentence with the right answer。

　　❸ This wildfire usually a few days and sometimes a few weeks。

　　a. ends b. stops c. lasts

　　❹ If we have no for a long time, we can face drought。

　　a. rainfall b. snow c. leaves

　　DESCRIBE THE PICTURE

　　*Unscramble the words in the box。

　　the trees damaging The wildfire is

　　野火正在烧毁树木。