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Modern Man and the EarthWho says what?Cars and buses have polluted the air so that many people have very bad health problem.Obama said Cars and buses had polluted the air so that many people had very bad health problem.Obama saidWho says what?Have many rivers and lakes in cities become very dirty and some even dead?Nemo wanted to knowNemo wanted to know if/whether many rivers and lakes in cities had become very dirty and some even dead.People have cut down millions and millions of trees .The Lion King said. The Lion King said that people had cut down millions and millions of trees .Who says what?People burn oil ,coal and wood. They are making more and more holes in it . The ozone layer complained (臭氧层臭氧层)The ozone layer complained people burnt oil ,coal and wood. They were making more and more holes in it.Read through the passage and answer the question.Modern Man and the EarthWhat are the problems in big cities?ABCDEEIn big cities:Cars &. busesFactoriesD_ &. D_ water.Health problemsirtyeadWhat do people do to forests?Cutting down trees?What do people do to forests?Cutting down treesMany animals are in danger and the quality of the air has become worse.What is the greenhouse effect ? What is the result of the greenhouse effect? the Greenhouse effectPeople burn oil, coal and wood.?Greenhouse effectPeople burn oil, coal and wood.The rising sea level.The changing climate.People have done bad things to the Earth. In big cities. Problems: In forests-to animals. Greenhouse effect. What should we do ? We should take action now to protect the earth. We should be green consumers.Keep in mind the three Rs: ReduceReuseRecycleHow can we reuse ?1. Repair items as much as possible. 2. Use cloth napkins or towels. 3. Clean out juice bottles and use them for water. 4. Reuse boxes. . 5. Donate extras to people you know or to charity instead of throwing them away. 6. Reuse grocery bags as trash bags. How can we reduce?1. Buy permanent items instead of disposables. 2. Buy and use only what you need. 3. Buy products with less packaging. 4. Buy products that use less toxic chemicals. 5. Turn off the lights when you leave the room.6. Ride a bicycle instead of driving a car.How can we recycle ?1. Recycle paper ,plastic, glass bottles, cardboard, and aluminum cans. 2. Recycle electronics. 3. Buy recycled products and products that use recycled packaging. 4. Recycle used batteries.What day is April 22nd ? Earth Day , Every day!Homework:1.Finish Task 1 and Task 2 on P120.2. Write a passage of at least 60 words on the topic “Protect Our Environment”. The outlines are for your reference only. (以“保护我们的环境”为题写一篇不少于60词的短文，以下提示供参考。) Is it necessary for us to protect the environment? Why or why not? What must we do to protect the environment?
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