1. Unit 2 The Environment Welcome to the unit 高二必修 5

2. Why is the earth crying ?

4. rubbish

5. 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?

6. Effects Causes Make 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 ).

7. Solutions Throw waste in rubbish bins. Buy products that use less packaging. Recycle as much as possible.

8. Air pollution 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? smoke

9. Effects Causes Make people get sick or even die. Make the environment dirty. Cause acid rain ( 酸雨 ). Factories, power stations( 发电站 ), cars, air conditioners give off waste gas. Burn coal and oil.

10. 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 don’t pollute the air.

11. deforestation

12. 1.What can you see in the picture? 2.What will happen if we continue cutting down so many trees?

13. Desertification沙漠化

14. Deforestation Desertification

15. Results Cause bad weather (sandstorm). Lands or mountains turn into desert. Cause starvation( 饥饿 ). Rich surface soil will be blown away by wind or washed by rain down to hills and into rivers.

16. 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?

17. Forest fire

18. 1.What might be the reasons for the terrible forest fire in the picture? 2.Who should take the responsibility( 责任 ) of taking good care of the forest? 3.Do you think the forest plays an important part in balancing nature?

19. sandstorm

20. 1.Have you ever experienced any sandstorms or have you ever seen some on TV? 2.What measures has our government taken to better our environment?

21. Water pollution

23. It is estimated that over 1 billion people—about one fifth of the world’s population —don’t have enough safe drinking water.

24. Causes Effects Many people don’t have enough clean drinking water. Make people get sick. Factories pour waste into rivers/ lakes/seas. People throw rubbish into rivers/lakes.

25. 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.

27. earthquake Tsunami 海啸 Seaquake 海震 Typhoon 台风 Hurricane 飓风 Flood Drought 干旱 Snowslide 雪崩 Tornado 龙卷 风 Volcano eruption

28. earthquake

29. 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 earthquake

30. Many eye witnesses said they saw a bright flash across the sky which was followed by a deafening roar just before the shaking began.

31. Remains of Pompeii

33. What caused the destruction of the city of Pompeii? Mount Vesuvius erupted and lava, ash and rocks poured out of it onto the surrounding countryside. All the people in Pompeii were buried alive, and so was the city.

34. typhoon hurricane tornado

35. snow slide

36. flood and drought

37. tsunami

38. Before tsunami After tsunami

40. El Nino

42. 1.environment 2. debate 3. Preserve 4. industry preservation industrial 5. atmosphere 6. pollute pollution 7. in addition 8. obvious 9. approach 10. benefit beneficial

43. Global warming Explosion 爆炸 of mines war Radiation 射线 starvation Factitious ( 人为的 ) damage Leak 泄漏 of gas/oil/ nuclear

44. Remains of Loulan

45. What caused the city of Loulan to disappear? It was gradually covered over by sandstorms from AD 200 to AD 500.

46. Smoke from the factories and cars Suppose this factory is in your neighbourhood, how do you think the smoke will affect you? Air pollution causes more than 2.7 million deaths in the world every day.

47. Who should take the responsibility of taking care of the forest? why? Do you think the forest plays an important part in balancing nature? Trees be cut down and soil be washed away

48. How do you feel when you see piles of rubbish like this? In your daily life, how do people deal with everyday rubbish? Do you think rubbish is a big problem for the environment?

49. Waste water from factories and cities Who should be blamed for this? If you were in charge of the factory,how would you deal with it?

50. It is estimated that over 1 billion people—about one fifth of the world’s population —don’t have enough safe drinking water. 估计

51. Almost 800 million people in the world do not have enough to eat. starvation

52. war

56. 用钢筋混凝土封起来 的曾经发生核泄露的 切尔诺贝利核电站 4 号 机组 1986 年 4 月 26 日，前苏联（现乌克兰境内）的切尔诺贝利核电站 4 号机组发生爆炸， 8 吨多强辐射物质倾泻而出，使 5 万多平方公里的 土地受到污染， 320 多万人遭受核辐射的侵害。 Leak of nuclear 核泄漏

57. Leak of oil

58. April 22nd What can we do to solve the problem?

59. As a student, what can you do to reduce pollution and protect our environment? Discuss with your partners and write down the things you can do. Divide the class into two groups. The group which has more ideas will be the winner. Competition

60. GROUP A: GROUP B:

61. What can we do? rubbish plate × × basket clean

62. What can we do? ↖ ↘ ↙ ↗ solar energy

63. Pass laws Plant trees April 22nd Earthday Control sand What can we do?

64. Please save the earth.

65. 1.one: pron. 我有几本中国食谱, 如果你想看的话可以借一本给你。 I've 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 comfortable journey, but make sure you get a fast one. train a book

66. 请给办公室每人准备一本, 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 ? --- 前面的那块。 "Which cake would you like?" "The one at the front." cake

67. Note: one 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 it. one 只能代替单数可数名词，复数形式为 ones ，表泛指。 That 可代替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。 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 cleaner than that of a city.

68. 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. another 2. I like ______ in the autumn when the weather is clear and bright. A. this B. that C. it D. one 3. Meeting my uncle after all these years was an unforgettable moment, ______I will always treasure. A. that B. one C. it D. what

69. 高考链接 4. ---Why don ’ t we take a little break? ---Didn ’ t we just have ______? A. it B. that C. one D. this 5. I was disappointed with the film. I had expected ______ to be much better. A. that B. this C. one D. it 6. I prefer a flat in Inverness to _______ in Perth, because I want to live near my Mon ’ s. A. one B. that C. it D. this

70. 高考链接 7.We ’ ve been looking at houses but haven ’ t found _________ we like yet. A. one B. ones C. it D. them 8.I knew ______ John Lennon, but not __________ famous one. A. /; a B. a; the C. /; the D. the; a 9.Cars do cause us some health problems ---in fact far more serious ________than mobile phones do. A. one B. ones C. it D. those

71. 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。 Man is still far more intelligent than the cleverest robot. 人类正在迅速地毁灭自然。 Man is rapidly destroying the Earth. 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 。

72. 高考链接 While he was investigating ways to improve the telescope, Newton made ______ discovery which complete changed ______ man ’ s understanding of colour. A. a;/ B. a; the C./; the D. the; a

73. Write down what you will do to protect our environment. Exchange your ideas with your classmates. Homework

74. 祝同学们学习进步！