雾霾是雾和霾的统称。霾是一种天气现象，也称灰霾（烟霞），指空气中的灰尘、硫酸、硝酸、有机碳氢化合物等大量极细微的干尘粒子均匀的浮游在空中，使空气浑浊，视野模糊并导致能见度恶化，如果水平能见度小于10000米时，将这种非水成物组成的气溶胶系统造成的视程障碍称为霾(Haze)或灰霾（Dust-haze)。当水汽凝结加剧、空气湿度增大时，霾就会转化为雾。因为空气质量的恶化，雾霾天气现象便会增多，危害加重。中国不少地区把阴霾天气现象并入雾一起作为灾害性天气预警预报。统称为“雾霾天气”。2013年12月9日，一场罕见的大范围雾霾笼罩着中国，陆续有25个省份、100多座大中城市不同程度出现雾霾天气。

Haze weather

When the haze comes, people can’t see things

clearly.So lots of traffic accidents often happen.

Haze weather

People have to wear masks. Because the haze may make them have cancer(癌症).

Discuss in groups 1).How to solve the haze problem? 2).What should we do in the haze weather?

…

Some factories must be closed down.

Take the bus or ride a bike to work instead of driving cars.

Give up smoking.

Go out wearing masks.

Plant more trees and grow more flowers .

Eat more fruit and drink lots of water.

近来北京等城市频繁出现的雾霾天气严重影响到了老百姓的生活和健康! 根据中文提示，以 “Haze” 为题写一篇80词左右的英语短文,可适当发挥。

　　1. 雾霾现象及对人和环境的影响和危害;

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教材

Unit 1 How can we become good learners?

Section A 1a—2d

Section A 3a—3b

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—3b Self check

Unit 2 I think that mooncakes are delicious!

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 3 Could you tell me where the restrooms are?

Section A 1a—2d

Section A 3a—3b

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—3b Self check

Unit 4 I used to be afraid of the dark.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—2f

Section B 3a—3b Self check

Unit 5 What are the shirts made of?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—2e

Section B 3a—3b Self check

Unit 6 When was it invented?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—2e

Section B 3a—3b Self check

Unit 7 Teenagers should be allowed to choose their own clothes.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—2e

Section B 3a—3b Self check

Unit 8 It must belong to Carla.

Section A 1a—1c

Section A 2a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—2e

Section B 3a—3b Self check

Unit 9 I like music that I can dance to.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—2e

Section B 3a—3b Self check

Unit 10 You are suppoed to shake hands.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—2e

Section B 3a—3b Self check

Unit 11 Sad movies made me cry.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4b

Section B 1a—1e

Section B 2a—2e

Section B 3a—3b Self check

Unit 13 We're trying to save the earth!

Section A 1a—1c

教材

Unit 1 How can we become good learners?

Section A 1a—2d

Section A 3a—3b

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—3b Self check

Unit 2 I think that mooncakes are delicious!

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 3 Could you tell me where the restrooms are?

Section A 1a—2d

Section A 3a—3b

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—3b Self check

Unit 4 I used to be afraid of the dark.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—2f

Section B 3a—3b Self check

Unit 5 What are the shirts made of?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—2e

Section B 3a—3b Self check

Unit 6 When was it invented?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—2e

Section B 3a—3b Self check

Unit 7 Teenagers should be allowed to choose their own clothes.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—2e

Section B 3a—3b Self check

Unit 8 It must belong to Carla.

Section A 1a—1c

Section A 2a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—2e

Section B 3a—3b Self check

Unit 9 I like music that I can dance to.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—2e

Section B 3a—3b Self check

Unit 10 You are suppoed to shake hands.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—2e

Section B 3a—3b Self check

Unit 11 Sad movies made me cry.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4b

Section B 1a—1e

Section B 2a—2e

Section B 3a—3b Self check

Unit 13 We're trying to save the earth!

Section A 1a—1c

Section A 2a—2d

Section A 3a—3b