新人教版九年级全一册英语 Unit13 第1课时 教学课件

1、Unit 13 We are trying to save the earth!Section A (1a-2d)学习目标12掌握生词littering, bottom, coal, ugly, advantage, cost, wooden, plastic, takeaway, bin。能够听懂有关污染和环境保护的信息。3能够讨论污染和环境保护，树立环保意识。新课导入What do you know about pollution? Talk in pairs.air pollutionwater pollutionnoise pollution新课导入Here are some word

2、s related to different kinds of pollution. Write them in the box below. loud music cars rubbish planes littering ships factories smoking building houses mobile phonesnoise pollution _air pollution _water pollution _loud musicplanesmobile phonesbuilding housesfactoriessmokingcarsbuilding housesshipsr

3、ubbishlitteringfactories乱扔1a新课导入Do you know other words related to pollution?Talk in pairs. Pair workListen and complete the sentences.1b What was the problem?The river was _. Even the bottom of the river was full of _. There were no more _ for fishermen to catch.really dirtyrubbishfish底部渔民新课讲解新课讲解

4、What caused the problem?People are throwing _ into the river. Factories are putting _ into the river. How should the problem be solved?We should write to the _ and ask them to _ the factories. Everyone should help to _ the river.litterwastegovernmentclose downclean up新课讲解Role-play the conversation.

5、Mark: The river was dirty. Even the bottom of the river was full of rubbish.Tony: But it used to be so clean!Mark: Yes, but people are throwing litter into the river.Tony: Everyone in this town should play a part in cleaning it up!参与；在方面起作用1c新课讲解Make your own conversations about the kinds of polluti

6、on in 1a.新课讲解Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. land pollution B. air pollutionC. noise pollution D. water pollution2a新课讲解Listen again and complete the sentences.1. The air is badly polluted because there are _ on the road these days.2. Factories

7、that burn coal also _ the air with a lot of black smoke.more carspollute煤2b新课讲解3. There is also too much rubbish and waste. People _ things every day.4. People are also littering in _ like parks. This is turning beautiful places into ugly ones. are throwing awaypublic places丑陋的新课讲解Listen and pay att

8、ention to the sentences.新课讲解新课讲解Jason: The air has become really polluted around here. Im getting very worried.Susan: Yes, I used to be able to see stars in the sky.Jason: The problem is that 有人称和时态变化Use the information in 2a and 2b to role-play conversations between Jason and Susan.2c新课讲解动词不定式（短语）作

9、目的状语减少；把砍倒；裁短；缩减短语介词，其后可跟名词、代词或动词-ing形式，否定of后的内容优点花费木制的；木头的塑料的外卖食物垃圾箱keep sb./sth.+形容词：使某人或某物保持某种状态起作用，有影响2d新课讲解Language points 1. instead of是短语介词，其后可跟名词、代词或动名词形式， 否定 of后的内容。 I can attend to the meeting instead of my sick brother. 我可以代替我生病的弟弟参加会议。 注：instead是副词，常位于句末，位于句首时，其后有逗号， 肯定instead所在句的内容。 He

10、didnt reply. Instead, he left the room. 他没回答，反而离开了房间。新课讲解2. cost (cost-cost-cost)及物动词，意为“花费”。常用搭配为：sth. costs sb. some money某物花费某人多少金钱。 The computer cost me 3000 yuan. 这台电脑花了我3000元。3. 辨析：remember to do sth.与remember doing sth.新课讲解Read the conversation again and complete the chart.PollutionWays to so

11、lve the problemair pollutionwaste pollutiontake the bus, subway or ride a bikeinstead of drivingbring a bag to go shoppingnever take wooden chopsticks or plastic forks when buying takeaway foodthrow rubbish in the bins新课讲解Role play in groups.Role play in front of the class.当堂小练一、根据句意及首字母提示完成单词。C_ ca

12、n be used to make our room warm.The big house c_ too much. We didnt have much money.Dont throw l_ everywhere. We should keep our school clean.itterostoal当堂小练4. Would you like to go fishing with the f_? 5. These clothes are u_. I dont like them.6. One of the a_ of living here is that you can find man

13、y friends. ishermanglydvantages当堂小练二、用括号内所给单词的适当形式填空。1. The earth is our home. We should play a part in (protect) her. 2. More and more people are trying to stop people from (cut) down trees.3. You havent (write) to us for a month. 4. Smoking too much can (lead) to cancer and many other illnesses. p

14、rotecting cutting written lead当堂小练三、根据汉语意思完成英语句子1. 蔬菜对孩子们的健康有好处。 Vegetables_ _ _ childrens health.2.琳达，请记得离开房间时关门。 Linda, please _ _ _ the door when you leave the room.3.刚才乔在楼梯下面找到了一个篮球。 Joe found a basketball _ _ _ _ the stairs just now. are good forremember to closeat the bottom ofare good forremember to close当堂小练4.我们没有茶。你愿意喝点橙汁代替茶吗？ We dont have any tea. Would you like orange juice _ _ tea?5.人们普遍认为