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1、Unit 2 Saving the EarthTopic 3 What can we do at home to protect the environment? Section B What should you do if you would like to be a greener person?You should sort the garbage. =You ought to sort the garbage. ought to 应该应该 情态动词情态动词 ought to +动词原形动词原形ought not to + 动词原形动词原形You should /ought to sh
2、ut off the electricityn.电，电能电，电能关闭关闭e.g. You should / ought to shut off the electricity when you leave a room. You should/ought to ride a bike to your school. You should/ought to take a bus to school instead of taking a taxi.You should/ought to take a cloth bag when you go shopping. Actions speak lo
3、uder than words.Remember some English idioms and try to use them often. Easier said than done. 说起来容易做起来难。说起来容易做起来难。行动胜于言辞。行动胜于言辞。1b Listen to 1a and choose the correct answers. 1.Jane and Michael are mainly talking about _. A.why we should shut off the electricity when we leaveB.what we should use w
4、hen we go shoppingC.how to be a greener person2. Actions speak louder than words means _. A.words are not as loud as actions B.to do well is better than to say well C.actions can speak, but words cant do it 1c Read 1a and complete the table.To be a greener person 1._when you leave the room. 2. If yo
5、u travel a short _, you shouldnt _ , but _. So this helps to _ and _. 3. When you go shopping, youd better _ instead of using _. You ought to shut off the electricitydistancetake a bus or a taxiwalk or ride a bikesave energyreduce air pollutiontake a cloth bagplastic bagsRetell it Retell 1a like thi
6、s: I would like to be a greener person. First I ought to shut off the electricity when I leave a room. Second, Id better walk or ride a bike instead of taking a bus or a taxi if I travel a short distance. I will save energy and reduce air pollution. Third, I will take a cloth bag when I go shopping.
7、 I wont use plastic bags. Its easy to be a greener person. How can we become a greener person?2 Choose the correct verbs or phrases to complete the statements. Then match them with the right pictures. shut off reduce grow recycle ride cover use1._ waste. Dont buy cups or boxes which can be used only
8、 once. 2.Save electricity. _ the electricity when you are not using it. 3._ boxes and plastic bottles. 4._ fruit and vegetables yourself. 5.Try to _ a bike when you travel. 6._ both sides of the paper. 7._ pans when you are cooking. ReduceShut off RecycleGrowrideUseCover2 Match them with the right p
9、ictures. Reduce waste. Dont buy cups or boxes which can be used only once.Save electricity. Shut off the lights when you are not using them.Recycle boxes and plastic bottles.Grow fruit and vegetables yourself.Try to ride a bike when you travel. Use both sides of the paper.Cover pans when you are coo
10、king.3 Read the passage and fill in the blanks with the correct words. Then listen and check. The first letter of each word is given. The earth is our home. Some things we have done are good for the earth w_ some are bad. We have polluted the earth, a_ it is sick now. We c_ down too many trees, so l
11、ots of rich land has c_ into desert. Factories p_ waste water into rivers. Pollution has caused many s_ problems. The earth is crying for help. What shall we do to save it? We should plant more trees, r_ the waste we produce, r_ the waste paper and soft drink cans, and ride bikes to reduce air pollu
12、tion. I think we should try to be g_ people to protect our earth. After all, we have only one earth. We should do e_ to protect it, or well be punished and lose our home. hilenduthangedoureriouseduceecyclereenerverything毕竟，归根结底毕竟，归根结底4 Work in groups and survey your group members about what they do
13、to be greener people. Then report it to your class. Pay attention to the stress, liaison, incomplete plosion and intonation. Example:A: Wha(t) do you often do to be a greener person ? B: Well. I always shut off the electricity when I am not using it . A: Good. What about you , John?C:1.You _ _(应该) t
14、hrow the rubbish into the garbage. 2.You should _ _(关闭)the electricity when you leave a room. 3.Youd better walk or ride a bike _ _ (代替) taking a bus or a taxi if you travel a short distance. 4.Its so _(容易) to be a greener person. 5._ _ _ _ _. (行动胜于言辞) ought to shut off instead of easyActions speak louder than words Read 1a.Memorize the useful expressions and key sentences that we learn today.Finish Section B in your workbook.Preview Section C.
