(
课件网) The environment Period 2 9B Unit 3 Karida Learning objectives 1 To read and learn about the main problems we face in protecting the environment. 2 To learn the new words and useful expressions. 目录 壹 Review 贰 Vocabulary 叁 Language points 肆 Exercise Review Unit 3 Review Our world is _____. We face many problems. The atmosphere around the Earth is ____ the glass of a greenhouse. It _____ sunlight _____ and keeps ____ from getting out. Without the atmosphere, the Earth would be ____ cold and lifeless ____ the Moon. However, when the atmosphere is polluted by _____, it will keep in _____ heat. This is called the _____ and it may cause sea level to _____ and make cities _____. like lets heat as CO2 too much greenhouse effect rise disappear in danger in as Fill in the blanks to finish the summary of the text and then try to retell it. Every year, we destroy nature by _____ _____ huge areas of forests. This makes the greenhouse effect _____ because trees _____ CO2 and _____ oxygen. It also destroys the homes of the animals that live in our forests and _____ the surface of soil ____ be easily destroyed by rain. This can _____ floods and even more damage to the environment. Many of our habits cause _____. People often use things _____ and then _____, or leave them on the ground as _____. This creates _____ and pollutes our land and seas. down worse take in produce to result in cutting cause pollution once throw them away litter mountains of rubbish Every year, we destroy nature by _____ _____ huge areas of forests. This makes the greenhouse effect _____ because trees _____ CO2 and _____ oxygen. It also destroys the homes of the animals that live in our forests and _____ the surface of soil ____ be easily destroyed by rain. This can _____ floods and even more damage to the environment. Many of our habits cause _____. People often use things _____ and then _____, or leave them on the ground as _____. This creates _____ and pollutes our land and seas. worse take in produce to result in cutting cause In order to protect the environment, we need to become _____. We should only buy and use products _____. We should also _____ as many things as we can. We can _____ things for the same purpose as before, or we can use them for _____. “green consumers” friendly to the environment recycle reuse new purposes Vocabulary Unit 3 Vocabulary in danger 意为“在危险中” like 介词，意为“像；相似” let in 意为“放进” keep ... from doing sth.意为“阻止……做某事” the same as 意为“和……相同” as a result of 意为“因此” Look out the following expressions in the article. result in 意为“造成；导致” mountains of 意为“成堆的；大量的” be different from 意为“与……不同” The words in italics explain the meanings of some words on page 35. Find these words to complete the sentences. Change their forms if necessary. 1. _____ the flood, many people were left homeless. (because of the effect of) 2. The worl ... ...
