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1、gkxx精品课件Unit 2 The Environment Welcome to the unitgkxx精品课件Welcome to the unitgkxx精品课件Why is the earth crying ?gkxx精品课件gkxx精品课件gkxx精品课件1.What kind of rubbish do you usually find?2.What effect does rubbish have on our daily life?3.What has caused so much rubbish? How can we solve this problem?gkxx精品课件
2、EffectsCausesMake the environment ugly, dirty and even dangerous. Cause diseases.Throw rubbish in the streets or in nature. Buy products that use too much packaging(包装包装).gkxx精品课件Solutions Throw waste in rubbish bins.Buy products that use less packaging. Recycle as much as possible.gkxx精品课件Air pollu
3、tion causes more than 2.7 million deaths in the world every day. 1.Where does smoke come from? 2.Suppose the factory is in your neighborhood, how do you think the smoke will affect you?3.Is there any way to deal with air pollution?gkxx精品课件EffectsCausesMake people get sick or even die. Make the envir
4、onment dirty.Cause acid rain (酸雨酸雨). Factories, power stations(发电站发电站), cars, air conditioners give off waste gas. Burn coal and oil. gkxx精品课件Solutions The harmful smoke should be made harmless before it goes into the air. Ride bikes more. Limit the number of cars./Make cars that dont pollute the ai
5、r.gkxx精品课件gkxx精品课件1.What can you see in the picture?2.What will happen if we continue cutting down so many trees? gkxx精品课件Desertification沙漠化沙漠化gkxx精品课件DeforestationDesertificationgkxx精品课件ResultsResultsCause bad weather (sandstorm).Lands or mountains turn into desert. Cause starvation(饥饿饥饿).Rich surf
6、ace soil will be blown away by wind or washed by rain down to hills and into rivers.gkxx精品课件Solutions Use less wood. Plant more new trees. Try to make desert areas become green land.What can we do to prevent this from happening?gkxx精品课件Forest fire gkxx精品课件1.What might be the reasons for the terrible
7、 forest fire in the picture?2.Who should take the responsibility(责任责任) of taking good care of the forest?3.Do you think the forest plays an important part in balancing nature?gkxx精品课件gkxx精品课件1.Have you ever experienced any sandstorms or have you ever seen some on TV?2.What measures has our governmen
8、t taken to better our environment?gkxx精品课件gkxx精品课件gkxx精品课件Water pollutionIt is estimated that over 1 billion peopleabout one fifth of the worlds population dont have enough safe drinking water. gkxx精品课件CausesEffectsMany people dont have enough clean drinking water. Make people get sick.Factories pou
9、r waste into rivers/ lakes/seas. People throw rubbish into rivers/lakes.gkxx精品课件Solutions Use new technology to make sure that factories are green and clean. Clean the water in the rivers/lakes. Save water in our daily life.gkxx精品课件gkxx精品课件earthquakeTsunami海啸海啸Seaquake海海震震Typhoon台风台风Hurricane飓飓风风Flo
10、odDrought干旱干旱Snowslide雪崩雪崩Tornado龙龙卷风卷风Volcanoeruptiongkxx精品课件earthquake gkxx精品课件On July 28th, 1976, at 3:42 a.m. local time, a powerful earthquake took place in northeastern China about 95 miles east of Beijing near Tang Shan, an industrial city of about 1 million people. More about Tang Shan earth
11、quakegkxx精品课件Many eye witnesses said they saw a bright flash across the sky which was followed by a deafening roar just before the shaking began. gkxx精品课件gkxx精品课件gkxx精品课件What caused the destruction of the city of Pompeii?Mount Vesuvius erupted and lava, ash and rocks poured out of it onto the surrou
12、nding countryside. All the people in Pompeii were buried alive, and so was the city.gkxx精品课件typhoon hurricanetornadogkxx精品课件snow slidegkxx精品课件flood and drought gkxx精品课件tsunamigkxx精品课件Before tsunamiAfter tsunamigkxx精品课件gkxx精品课件El Nino gkxx精品课件gkxx精品课件1.environment 2. debate3. Preserve 4. industry pre
13、servation industrial 5. atmosphere 6. pollute pollution7. in addition 8. obvious9. approach 10. benefit beneficialgkxx精品课件Global warmingExplosion爆炸爆炸 of mineswarRadiationRadiation射射射射线线线线starvationFactitious(人为的人为的) damageLeakLeak泄漏泄漏泄漏泄漏 of gas/oil/of gas/oil/nuclearnucleargkxx精品课件What caused the c
14、ity of Loulan to disappear?It was gradually covered over by sandstorms from AD 200 to AD 500.gkxx精品课件Almost 800 million people in the world do not have enough to eat. starvationgkxx精品课件wargkxx精品课件gkxx精品课件gkxx精品课件gkxx精品课件用钢筋混凝土封起来用钢筋混凝土封起来的曾经发生核泄露的的曾经发生核泄露的切尔诺贝利核电站切尔诺贝利核电站4号号机组机组 1986年年4月月26日，前苏联（现乌克
15、兰境内）的切尔诺贝利核电日，前苏联（现乌克兰境内）的切尔诺贝利核电站站4号机组发生爆炸，号机组发生爆炸，8吨多强辐射物质倾泻而出，使吨多强辐射物质倾泻而出，使5万多平万多平方公里的土地受到污染，方公里的土地受到污染，320多万人遭受核辐射的侵害。多万人遭受核辐射的侵害。 gkxx精品课件Leak of oilgkxx精品课件April 22ndWhat can we do to solve the problem?gkxx精品课件What can we do?rubbishplatebasketcleangkxx精品课件What can we do? solar energygkxx精品课件P
16、ass lawsPlant treesApril 22ndEarthdayControl sandWhat can we do?gkxx精品课件Please save the earth.gkxx精品课件1.one: pron.我有几本中国食谱我有几本中国食谱,如果你想看的话可以借一本给你。如果你想看的话可以借一本给你。Ive got a few books on Chinese food. You can borrow one if you like.如果你坐火车,你会有一次舒服的旅行,不过一定要坐快车。If you go by train, you can have quite a com
17、fortable journey, but make sure you get a fast one.train a bookgkxx精品课件请给办公室每人准备一本请给办公室每人准备一本,再给来访者额外准备一些。再给来访者额外准备一些。Would you make a copy for everybody in the office and a few extra ones for the visitors.copies-你想要哪块蛋糕你想要哪块蛋糕? -前面的那块。前面的那块。Which cake would you like? The one at the front.cakegkxx精品
18、课件Note: one表示承接前面已出现过的同类可数名词，表示承接前面已出现过的同类可数名词，承接同一个东西时用承接同一个东西时用it. one只能代替单数可数只能代替单数可数名词，复数形式为名词，复数形式为ones，表泛指。，表泛指。That可代替可代替单数可数名词和不可数名词，复数形式为单数可数名词和不可数名词，复数形式为those,表特指，通常有后置定语。表特指，通常有后置定语。Eg. 1.-Do you have a camera? -No, but my father has one. He bought it a week ago. 2.The air of a suburb is
19、 cleaner than that of a city.gkxx精品课件高考链接高考链接1.We needed a new cupboard for the kitchen. So peter made _from some wood we had. A. it B. one C. himself D. another2. I like _ in the autumn when the weather is clear and bright. A. this B. that C. it D. one3. Meeting my uncle after all these years was a
20、n unforgettable moment, _I will always treasure. A. that B. one C. it D. whatgkxx精品课件高考链接高考链接4. -Why dont we take a little break?-Didnt we just have _?A. it B. that C. one D. this5. I was disappointed with the film . I had expected _ to be much better. A. thatB. thisC. one D. it 6. I prefer a flat i
21、n Inverness to _in Perth, because I want to live near my Mons. A. one B. that C. it D. thisgkxx精品课件高考链接高考链接7.Weve been looking at houses but havent found _ we like yet. A. one B. ones C. it D. them8.I knew _ John Lennon, but not _famous one. A. /; a B. a; the C. /; the D. the; a9.Cars do cause us so
22、me health problems -in fact far more serious _than mobile phones do. A. one B. ones C. it D. thosegkxx精品课件2. man: U the human race.人类。(without the article the or a)人类比最聪明的机器人还要智慧得多。人类比最聪明的机器人还要智慧得多。Man is still far more intelligent than the cleverest robot.人类正在迅速地毁灭自然。人类正在迅速地毁灭自然。Man is rapidly dest
23、roying the Earth.这是人类所知道的最危险的物质之一。这是人类所知道的最危险的物质之一。This is one of the most dangerous substances known to man。 gkxx精品课件高考链接高考链接While he was investigating ways to improve the telescope, Newton made _ discovery which complete changed _ mans understanding of colour. A. a;/ B. a; the C./; the D. the; a 同学们来学校和回家的路上要注意安全同学们来学校和回家的路上要注意安全
