Factsaboutwater

1、Unit 5,Oxford English,Water,More practice,前置作业：查阅字典，了解下列词汇,percent(%), human, ocean, cover, drinkable, drip, fill, fix, have a bath, take a shower, every 10 seconds, as much as， up to,1.percent _ 2. human _ 3. ocean _ 4. cover _ 5. drinkable _ 6. drip _ 7. fill _ 8. fix _ 9. have a bath _ 10. take a

2、 shower _ 11. every 10 seconds _ 12. as much as _ 13. up to _,百分比,人类,海洋,覆盖,可饮用的,滴（动词）,填满(装满),修理,缸浴,淋浴,每10秒,和一样多,多达（达到）,Ask the students to complete the exercises below,Checking the homework(P61),Water is Valuable Water is valuable and indispensable for human beings. Not only the human beings need wa

3、ter every day but the wild animals and the livestock need water as well. We also use water to irrigate the lands and generate electricity. Furthermore in the modern society, water is needed in all the fields of industry. However there is a water shortage almost in all the countries in the world. In

4、China, for example, some people in the remote areas do not have enough water to drink and not to speak of watering their dried-up lands. Therefore we should save water every day.,clouds,river,reservoir,pipes,sea,Doras bathroom,Clean the water here,WATER TALKS,Clean the water here,Listening and readi

5、ng,1. About _ of the human body is water. A. 50% B. 30% C. 70% 2. About _ of the Earth is water. A. 80% B. 75% C. 60% 3. Most of the water in the world is _. A. fresh water B. drinkable C. undrinkable 4. If water drips from the tap every 10 seconds, we will waste about _ litres of water a year. A. 2

6、15 B. 315 C. 415 5. Having a shower instead of a bath can save up to _ litres of water a week. A. 400 B. 300 C. 200,1. About _ of the human body is water. A. 50% B. 30% C. 70% 2. About _ of the Earth is water. A. 80% B. 75% C. 60% 3. Most of the water in the world is _. A. fresh water B. drinkable C

7、. undrinkable 4. If water drips from the tap every 10 seconds, we will waste about _ litres of water a year. A. 215 B. 315 C. 415 5. Having a shower instead of a bath can save up to _ litres of water a week. A. 400 B. 300 C. 200,C,B,C,B,A,Some facts about water: Water makes up 70% of the (1)_ body.

8、Most of the water in the world is not (2) _. It is not easy to find (3)_ that is clean and safe to drink. How can we save water? Fix a dripping (4)_. Take a (5)_ instead of a (6) _ .,human,drinkable,groundwater,tap,bath,shower,interesting facts therefore drinkable have a bath take a shower twice as

9、as instead of up to It is not easy to do,有趣的事实 因此 可饮用的 泡澡 淋浴 是的两倍 代替，而不是 (数量，程度等)达到 做并不容易,About 70% of the human body is water.,70% 读作：seventy percent 观察： 3% of water is fresh water. About 30% of students are girls. 总结： 百分数后面的动词由_决定。,主语的可数/不可数,Having a bath uses about twice as much water as taking a

10、 shower.,注意1：as.as 之间的形容词/副词用原形。 注意2：twice, three times, four times. 翻译： 这头大象和这头牛一样重。 The elephant is as heavy as a cow. 这头大象是这头牛的3倍重。 The elephant is three times as heavy as a cow.,1. 他是那个小男孩的两倍高。 He is _ as _ as the little boy. 2. 我爸爸正在洗澡。 My Dad is _ _ _ at the moment. 3. 你替我参加宴会好吗？ Will you go t

11、o the party _ _ me?,twice tall,taking a shower,instead of,Exercises,I.根据中文意思完成句子。,4. 为我妈妈找一份礼物不是件容易的事。 _ _ _ _ to find a gift for my mother. 5. 这水经过处理，但不是饮用水。 The water has been treated, but it is not _ _ . 6. 他非常疲倦，所以没能做报告。 He was very tired, and _ he didnt give the report.,drinkable water,therefor

12、e,It is not easy,B In groups, discuss what we can do to save water.,Turn off the tap when you are not using it. Take a shower instead of a bath. Clean the floor with used water. Collect rainwater to water plants or wash cars. ,Can you think of more ways to save water?,Saving water at home,bathroom k

13、itchen,In the bathroom,* Take shorter showers. * Turn the tap off when you are brushing your teeth and washing your hands. ,In the kitchen,* Wash vegetables in a container, not under running water. ,1. 他是那个小男孩的两倍高。 He is _ as _ as the little boy. 2. 我爸爸正在洗澡。 My Dad is _ _ _ at the moment. 3. 你替我参加宴会好吗？ Will you go to the party _ _ me?,twice tall,taking a shower,instead of,Exercises,I.根据中文意思完成句子。,4. 为我妈妈找一份礼物不是件容易的事。 _ _ _ _ to find a gift for my mother. 5. 这水经过处理，但不是饮用水。 The water has been treated, but it is not _ _