有關(guān)水的英語課件

1、world day: 3.22salty water: 97.5%fresh water: 2.5%water how much do you know about water?1. multiple choice (搶答題)1. when is the water day?a. 3.12 b. 3.22 c.4.12. water covers about _of earth.a. one third b. two thirds c. half3. about _of the water on earth is fresh water.a. 2.5% b.3.5% c. 4.5%4. you

2、r body needs about _liters of water every day. a. two b. three c. four5. you can live without water for a few_. a. days b. weeks c. hours 6. about _of our bodies are water.a. 20-25% b. 40-45% c. 65-70% 7. when the temperature falls below 0 water will _.a. freeze b. boil c. become gas8. when the temp

3、erature is 100 , water will _.a. freeze b. become solid c. boil9. how many forms does water have?a. two b. three c. four 10. what are the three forms of water?a. solid, ice, snow b. liquid, rain, waterc. gas, solid, water 2. 必答題 banana apple orange pear 3. presentation topic : water summary informat

4、ion about water homework group one: para1 4 beginning she asked. group two: para58 im water daisy asked. group three: para912 yesagain? group four: 1316 yesthe end. you need to find out the words, phrases, and sentences you dont understand, or you think they are important. you may choose three members to present these in class. one is for words, one for phrases and the last o