20xx春牛津深圳版英語(yǔ)九下unit3theenvironmentreadingppt課件-文庫(kù)吧在線文庫(kù)
【正文】 ake away what you bring there—keep rubbish in a bag until you can put it in a dustbin. ● Turn off the lights, TV sets when you leave the room. This saves a lot of electricity (電 ). ● Turn off the tap (水龍頭 ) when you brush your teeth. You can save some water by not letting it run. Also, use a glass cup instead of a paper cup because this saves paper. ● Keep the doors and windows closed in winter to keep warm air in. What can we do to protect the earth? ● Give your old books and magazines to a library instead of throwing them away. ● Give your old clothes to poor children you know instead of throwing them away. . ● Use both sides of paper. ● Stop pouring dirty water into the rivers or lakes nearby. ● Encourage all your friends to do the same things you do to help protect the earth. You don’t have to wait until Earth Day to do these things. Make every day Earth Day. 1. What is the article mainly about? problems does the article discuss? consumer is someone who buys and uses things. Can you guess what a “green consumer” is? Environmental problems. The greenhouse effect, cutting down forests and bad habits. A “green consumer” is someone who only buys and uses things friendly to the environment. Look at the pictures, the title, the introduction and the subheadings of the article on page 35. Then answer the questions below. (P 34) Look at the article on page 35 and choose the best answer. The article is probably from a(n) ____. a advertisement b poster about the Earth Hour c environmental science book d ic book c must people do something to protect the environment? are the main problems people face? should people do to protect the environment? Now listen to the passage and answer the questions. Because our world is in danger. The greenhouse effect, cutting down forests and bad habits. People should bee “green consumers”. Task 1: Read the first part and make the following sentences into correct order. ( )Too much CO2 pollutes the atmosphere. ( )The atmosphere does not let the heat out. ( )The atmosphere lets the sunlight in. ( )The atmosphere keeps in too much heat. ( )The sunlight reaches the atmosphere of the Earth. ( )The greenhouse effect takes place — the Earth’s temperature increases. ( )People burn fuels such as petrol and coal and produce a lot of CO2. 1 2 3 4 6 5 7 Read and finish the following tasks. Task 2: Read the second part and plete the diagram. Cause Effect 1 Effect 2 Effect 3 Effect 4 We destroy nature by _____ ________________________ down huge areas of forests cutting ___________________ _
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