1、Section B Chen WenqingUnit 2 Saving the EarthTopic 3 What can we do at home to protect the environment? Say a sentence with Say a sentence with and, or, butand, or, but & whilewhile like this one by one. like this one by one.A : I like English _ Im good at it.B: I am good at English _ my good friend

2、 is good at history.C: English is so difficult _ its very important.D: We must study hard , _ we will fail the exam.andwhilebutorreusereducerecycle How do you sort the garbage youve collected on your own Clean-up Day.plastic bottles. paper bags and cups. lunch boxessoft drink cans, plastic bottles,

3、waste paper, glass, paper bags and cups .What should you do if you would What should you do if you would like to be a greener person?like to be a greener person?We should sort the garbage. =We ought to sort the garbage. ought to 應(yīng)該應(yīng)該 情態(tài)動(dòng)詞情態(tài)動(dòng)詞 ought to +動(dòng)詞原形動(dòng)詞原形ought not to + 動(dòng)詞原形動(dòng)詞原形What should you

4、do if you would What should you do if you would like to be a greener person?like to be a greener person?We ought to plant more trees.You You should /ought toshould /ought to shut off the electricityn.電，電能電，電能關(guān)閉關(guān)閉e.g. You should / ought to shut off the electricity when you leave a room. distance 距離a

5、short distance 短距離短距離a long distance 遠(yuǎn)距離遠(yuǎn)距離Instead of 意思是意思是“代替代替”、“而不是而不是”instead of 后面常跟名詞、代詞和動(dòng)名詞后面常跟名詞、代詞和動(dòng)名詞Instead of （doing） sth. 代替做某事代替做某事1. Id like to walk to the school instead of _there by bike.A. go B. going C. goes D. to goB2.2.我要茶我要茶，不要咖啡，不要咖啡。Ill have tea instead of coffee, please. 3.

6、你應(yīng)該做你的作業(yè)，而不是玩游戲你應(yīng)該做你的作業(yè)，而不是玩游戲。You should do your homework instead of playing games.You should/ought to ride a bike to school instead of taking a bus or a taxi.You should/ought to take a cloth bag when you go shopping. Actions speak louder than words.Remember some English idioms and try to use them

7、often. Easier said than done. 說起來容易做起來難。說起來容易做起來難。行動(dòng)勝于言辭。行動(dòng)勝于言辭。You ought to You d better Dont 提建議的句型提建議的句型：1b Listen to 1a and choose the 1b Listen to 1a and choose the correct answers. correct answers. 1.Jane and Michael are mainly talking about _. A. why we should shut off the electricity when we

8、 leaveB. what we should use when 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 CB1a Look, listen and say. 1a Look, listen and say. 1c Read

9、1a and complete the table.1c Read 1a and complete the table.To be a greener person 1._when you leave the room. 2. If you 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

10、bus or a taxiwalk or ride a bikesave energyreduce air pollutiontake a cloth bagplastic bagsRetell it Retell 1a like this: 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 t

11、ravel a short distance. I will save energy and reduce air pollution. Third, I will take a cloth bag when I go shopping. I wont use plastic bags. Its easy to be a greener person. SummaryWe learn: 1. Some words: action, distance, electricity 2. Some phrases: 1.ought to 2. a short distance 3. shut off 4. in stead of 3. Some useful sentences:(1)Would you like to be a greener