UNIT 01 Fog

　　Fog is near the ground and it is colorless. Also, fog has lots of water. How does fog form? If warm air meets cold air, fog forms. Fog forms when temperature and dew point are different. The foggiest place on land is Point Reyes, California. There are more than 200 foggy days every year there。

　　Select True or False

　　❶ Fog has lots of water. (T/F)

　　❷ Fog isn’t near the ground. (T/F)

　　❸ Fog forms when warm air meets cold air. (T/F)

　　More to know

　　foggiest

　　foggiest代表“最浓的雾”，是最高级词汇。原形是foggy。

　　··Where is the foggiest place?

　　雾最浓的地方是哪里？

　　··I like a foggy weather。

　　我喜欢有雾的天气。

　　READING COMPREHENSION

　　*Read and circle the best answer。

　　❶ What color is fog?

　　a. brown b. yellow c. colorless

　　❷ Where is the foggiest place on land?

　　a. in California

　　b. in Virginia

　　c. in New York

　　*Complete the sentence with the right answer。

　　❸ Point Reyes has about days of fog every year。

　　a. 100 b. 150 c. 200

　　❹ Fog contains a lot of 。

　　a. water b. air c. salt

　　DESCRIBE THE PICTURE

　　*Circle the correct sentence。

　　❶ The temperature of the thermometer

　　points to 0°F。

　　❷ The temperature of the thermometer

　　points to 5°F。

　　❸ The temperature of the thermometer

　　points to 10°F。