人教版九年级英语Unit 13单元同步教学课件

这是一份人教版九年级英语Unit 13单元同步教学课件
Teaching Aims（教学目标）1.知识目标： To master the key words and sentences by listening and speaking exercises. (通过听说练习掌握重点单词和句型) 2.能力目标：Learn to talk about pollution problem and environmental protection in English. (能够用英语谈论污染和环境保护) 3.情感目标： To improve the awareness of saving the earth. (增强学生保护环境的意识) Read and Recite1.噪音污染noise pollution 2.空气污染air pollution 3.水污染 water pollution4.土地污染land pollution 5.…的底部the bottom of 6.充满了be full of 7.把....扔进throw sth into 8.参与play a part in9.我们正尽力拯救地球。We are trying to save the earth .10.甚至河底也满是垃圾12.因此，我们齐心协力就能带来变化，创造更加美好的未来。So together , our actions can make a difference and lead to a better future . 11.为了减少空气污染，我们应该乘公共汽车或地铁，不开车。Even the bottom of river is full of rubbish .To cut down air pollution , we should take the bus or subway instead of driving .Do you like it?a clean citythe blue skyBut the earth is polluted.The air is polluted by factories with smoke . Cars have poured tail gas into the air. people are smoking in public places. air pollution water pollution the river is polluted the water used to be cleanthe factory is putting waste into the river people are throwing litter into the rivernoise pollution plane is taking offmachines are workingloud musicsoil pollution People use a lot of plastic bags in their daily life.1aHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.noise pollution ________________________________________________air pollution ____________________________________________water pollution ________________________________________________loud musicplanesmobile phonesfactoriescarssmokingshipsfactorieslitteringrubbishbuilding housesbuilding houses1b Listen and complete the sentences . dirtyrubbishfishlitterwastegovernmentclose downclean upused to do sth. “过去常常……” 表示过去习惯性的动作但如今已不存在。play a part in doing sth. “参与做某事; 在做某事上起作用”。Listen and Read1cRole-play the conversation.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!2aListen to the interview. Circle the kinds of pollution that Jason and Susan talk about. land pollution B. air pollutionC. noise pollution D. water pollution2b Listen and complete the sentences.1.The air is badly polluted because there are ____________on the road these days. 2. Factories that burn coal also _________ the air with a lot of black smoke. 3. There is also too much rubbish and waste. People _______________ things away every day. 4. People are also littering in _____________ like parks. This is turning beautiful places into ugly ones.more carspolluteare throwing away public placesRead and pay attention to the expressions.Use the information in 2a and 2b to role-play conversations between Jason and Susan.2cJason: The air has become really polluted around here. I’m getting very worried.Susan: Yes, I used to be able to see stars in the sky.Jason: The problem is that…What are your ideas for solving the air pollution/ waste pollution problem?2dRead 2d and complete the chart.take the bus, subway or ride a bike instead of driving1. bring a bag to go shopping2. never take wooden chopsticks or plastic forks when buying takeaway food3. throw rubbish in the binsOur actions can make a difference and lead to a better future! Help save the earth These days, our earth has been badly polluted, such as air pollution, water pollution, noise pollution and so on. As a result, we have to breathe dirty air. So, we must do something to protect the environment. First, ....... Second, ...... Third, ......Fourth, .......... If everyone can play a part in helping save the earth, so together, our actions can make a difference and lead to a better future! 对症下药Test( )1.We’re trying _______ the animals endangered in the forest . A.saving B.save C. to save D. saved ( )2.The river is dirty, we’re taking a part in ________ . A.clean it up B. cleaning it up C. clean up it D.cleaning up it ( )3.He always has good ideas for ______ such problems . A.solve B.to solve C.solving D. solved CBCI .根据句意完成给出首字母或汉语的句子。1.There is no l______ on the street , it’s very clean .2.There’re all kinds of fishes at the _______(底部)of the ocean . 3.My homwtown is rich in _______(煤). 4.It’s a w_______ bridge, but it’s very strong . 5.The “white litter” refers to the white p________ bags . litter bottomcoaloodenlasticSummary（总结）1. Key Words: the bottom of the river,be full of, play a part in doing sth,make a difference......2. Key Sentences: We should/shouldn't do sth... We're (not) supposed to do sth... We can/can't do sth... It's also a good idea to do sth... It+be+adj+for sb to do sth... ........ Homework 1. Recite the words and phrases. 2. Finish the excises in the workbook . 3. Preview the next period.Thank you !