1、Unit 2 Saving the EarthTopic 3 What can we do at home to protect the environment? Section B Teaching aims 1.掌握本section的重點詞匯與短語，繼續學習并列句。 2.能使用諺語表達自我觀點與提建議. (1) You nod your head it means agreement. (2) Hurry up, youll miss the train. (3) Water is important some people dont save it. (4) Some people pr

2、otect animals others kill animals.whileandbutorCombine the sentences with or, and, but or while1b Listen to 1a and choose the correct answers. 1.Jane and Michael are mainly talking about _. why we should shut off the electricity when we leavewhat we should use when we go shoppinghow to be a greener

3、person2. Actions speak louder than words means _. words are not as loud as actions to do well is better than to say well A. actions can speak, but words cant do it Actions speak louder than words.Remember some English idioms and try to use them often. Easier said than done. 說起來容易做起來難。說起來容易做起來難。行動勝于言

4、辭。行動勝于言辭。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 electricitytake a bus or a taxiwalk or ride

5、 a bikesave energyreduce air pollutiontake a cloth bagplastic bagsdistance 提建議句型 You ought (not ) to do You should (not) do You had better (not) do 祈使句（肯定與否定） ought to 應該應該 情態動詞情態動詞 ought to +動詞原形動詞原形ought not to + 動詞原形動詞原形You should/ought to ride a bike to your school. You should/ought to take a bu

6、s to school instead of taking a taxi.You should/ought to take a cloth bag when you go shopping. Retell 1a using the first person (4 minutes ） 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

7、 bus or a taxi if I travel a short distance. It 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. How to be a greener person?2 Choose the correct verbs or phrases to complete the statements. Then ma

8、tch them with the right pictures. shut off reduce grow recycle ride cover use _ waste. Dont buy cups or boxes which can be used only once. Save electricity. _ the electricity when you are not using it. _ boxes and plastic bottles. _ fruit and vegetables yourself. Try to _ a bike when you travel. _ b

9、oth sides of the paper. _ pans when you are cooking. ReduceShut off RecycleGrowrideUseCover2 Match them with the right pictures. 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

10、 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 lots 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

11、should plant more trees, r_ the waste we produce, r_ the waste paper and soft drink cans, and ride bikes to reduce air pollution. 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. hilen

12、duthangedoureriouseduceecyclereenerverything畢竟，歸根結底畢竟，歸根結底3 Read together,and find out the compound sentences . 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 lots of rich land has c

13、_ 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 pollution. I think we shoul

14、d 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畢竟，歸根結底畢竟，歸根結底Summary1. words: action, distance, electricity 2. phrases:ought (not )to, shut off, inst

15、ead of , after all 3. useful sentences:(1)Would you like to be a greener person?(2)First, you ought to shut off the electricity when you leave a room.(3)second,youd better walk or ride a bike instead of taking a bus or a taxi if you travel a short distance. It will save energy and reduce air pollution. (4) Third, take a cloth bag when you go shopping. D