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1、,The sky is so blue ,Unit,10,Environment,noise pollution,rubbish everywhere,air pollution,water pollution,1._,1,2,3,4,2._,3._,4._,Under the Blue Sky,What causes the pollution of our environment?,1. What makes it hard for people to breathe the fresh air? 2. What now harms everyone in the world? 3. Wh
2、at is coal used for? 4. What causes traffic jams everywhere in large cities? 5. How many people a year die of diseases related to air pollution in the United States according to the Natural Resources Defense Council? Is the death rate of diseases related to air pollution higher than that of traffic
3、accidents or AIDS? What would help to protect and to improve the environment?,Ask and answer,Ask and answer,1. What makes it hard for people to breathe the fresh air? 2. What now harms everyone in the world?,Smoke from chimneys and waste gases from cars make it hard for people to breathe the fresh a
4、ir.,Air pollution now harms everyone in the world.,3. What is coal used for? 4. What causes traffic jams everywhere in large cities?,Coal is used in industry and also for heating and cooking.,That too many cars are running in the street causes traffic jams everywhere in large cities.,5. How many peo
5、ple a year die of diseases related to air pollution in the United States according to the Natural Resources Defense Council?,About 50,000 people a year die of diseases related to air pollution in the United States according to the Natural Resources Defense Council.,6. Is the death rate of diseases r
6、elated to air pollution higher than that of traffic accidents or AIDS? 7. What would help to protect and to improve the environment?,Yes, it is.,Little things like reusing, not littering around and walking or biking instead of driving cars would help to protect and to improve the environment.,True o
7、r False?,People in large cities feel that the sky is as blue as it used to be. There is more fresh air for people to breathe. The death rate is higher than that of traffic accidents or AIDS. 4.The situation of our environment is still not very worrying. 5. Air is being polluted mainly by car, for th
8、ey burn fuel and release waste gas.,Task 1,Fill the gap according to the text.,Air pollution now _everyone in the world. Coal is used in _ and also for _and _. Smoke from _ is one of the causes of air pollution. According to the Natural Resources Defense Council in the United States, about 50,000 pe
9、ople a year _ diseases _air pollution.,harms,industry,heating,cooking,burning coal,Task 2,die of,related to,5. The unreasonable production often _air pollution, water pollution and much _ to the environment. 6. Not only the government _ we the citizens should work more actively to _ pollution and to
10、 _ the environment. In addition, we should also _our own actions.,leads to,damage,but also,fight against,protect,be aware of,Useful expressions of Para.1,1. no longer,2. used to do,3. a blanket of smog,4. industrial cities,5. waste gases,不再,过去常常,一层烟雾,工业城市,废气,6. fill the air,弥漫在空气中,Under the Blue Sky
11、,8. black dust,更少的新鲜空气,7. less fresh air,黑色的灰尘,9. makes everything dirty,弄脏了所有的东西,10. the beautiful little birds,美丽的小鸟,11. flying in the air,飞在空中的,12. are dressed in,穿上了的外衣,13. black and gray,黑灰色的,The translation of Para.1,在蔚蓝的天空下 住在大城市里的人们觉得天空不再像以前那么蓝了。,烟雾笼罩着工业城市的上空。,空气中弥漫着烟囱冒出的黑烟和汽车排放的废气，人们很难呼吸到新鲜
12、空气。,黑色的灰尘弄脏了所有的东西 植物、 建筑、人们的衣服、房子里的家具， 甚至连飞在空中的美丽小鸟都被披上 了黑灰色的外衣,Language points of Para.1, People in large cities feel that the sky is _ as blue as it used to be.,no longer,大城市的人们都觉得天不再像以前那么蓝了。,A. no longer,eg.,=,notany longer,他不再是一个小孩了。,He was no longer a little boy.,He was not a little boy any mor
13、e.,B. as as 意为“ 和一样”，表示同级比较。,1. 其结构为：as + adj./ adv. + as,This film is as interesting as that one.,eg.,这部电影和那部电影一样有趣。,2.其否定形式为:,not as/so +adj./adv.+as,eg.,这本字典不如你想象的那样有用。,This dictionary is not as/so useful as you think.,3. 当“倍数”作为修饰成分出现时，必须置于as as 结构之前，如：,a quarter（四分之一）、,half（一半）、,once（一倍）、,three
14、 times （三倍）等,twice（两倍） 、,eg.,你的包比我的贵一倍。,Your bag is twice as expensive as mine.,4. 几个关于asas的常见句型：, as as possible “尽可能”,请尽快回答我的问题。,Please answer my question as soon as possible., asas usual/before “与往常/以前一样,她看起来和以前一样漂亮。,She looks as pretty as before.,妈妈与往常一样忙碌。,Mother is as busy as usual.,5. 一些带有as
15、as 结构的常见习 语归纳：,as busy as a bee,像蜜蜂一样忙碌,as easy as ABC,像ABC一样容易,as deep as a well,像井一样深,as light as a feather,像羽毛一样轻,as soft as butter,像黄油一样软,used to do,“过去常常”,C.,对比,be used to doing sth.,习惯于做某事,eg.,他过去常常夏天在河里游泳。,He used to swim in the river in summer.,eg.,路西习惯于早晨早起。,Lucy is used to getting up early in the morning.,even the beautiful little birds flying in the air are dressed in black and gray.,甚至连飞在空中的美丽小鸟都披上了 黑灰色的外衣。,A.,现在分词短语作定语表示动作的 主动或正在进行。如：,flying in the air动词ing形式作定语， 修饰,Note:,birds。,The girl sitting by the door is my sister.,坐在门边的女孩是我的姐姐。,B.,dress sb.,eg.,dress是及物动词,意“为穿衣
