UNIT 09 Rain

　　Do you see clouds in the sky? You can see rain soon. If it rains too much, a flood could happen. How big is rain? One raindrop is smaller than a centimeter across. It is about from 1/100 inch to 1/4 inch. It falls from the sky at between 7 and 18 miles per hour。

　　Select True or False

　　❶ Rain falls from the sky. (T/F)

　　❷ One raindrop is bigger than a centimeter across. (T/F)

　　❸ One raindrop is about 10 inches across. (T/F)

　　More to know

　　between…and…

　　between…and…表示“……和……之间”。

　　··The school is between the bank and the bookstore。

　　学校位于银行和书店之间。

　　··What is there between the lamp and the bed?

　　灯和床之间有什么？

　　READING COMPREHENSION

　　*Read and circle the best answer。

　　❶ What could happen if it rains too much?

　　a. landslide b. flood c. drought

　　❷ How big is a raindrop?

　　a. 1/10 inch to 1/2 inch

　　b. 1/50 inch to 1/3 inch

　　c. 1/100 inch to 1/4 inch

　　*Complete the sentence with the right answer。

　　❸ A raindrop is than a centimeter。

　　a. bigger b. smaller c. larger

　　❹ Rain falls from the sky at between and miles per hour。

　　a. 7, 18 b. 10, 20 c. 15, 30

　　DESCRIBE THE PICTURE

　　*Circle the correct sentence。

　　❶ It’s raining。

　　❷ It’s about to snow。

　　❸ It’s about to become clear。