人教版九年级英语下册 Unit13第1课时 教学课件PPT初三公开课

1、Unit 13 Were trying to save the earth!Section A 1a-2d初中英语 九年级下册 RJNew words: litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic, takeaway, binExpressions: play a part in, cut down, instead of, make a difference, lead toSentences: Even the bottom of the river was full of rubbish.

2、 The river used to be so clean. The air has become really polluted around here.Learning goalsWatch the music video and talk about your feelings.Earth SongWarming upProtect NatureProtect the EarthProtect the environmentnoise pollutionair pollutionwater pollutionWhat can you see in the pictures in 1a?

3、1234loud music litteringcars shipsplanes smokingmobile phoneslitter/lt(r)/ v. 乱扔building housesrubbish factoriesn. 垃圾；废弃物1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.rubbish n. 垃圾；废弃物loud music litteringcars shipsrubbish factoriespl

4、anes smokingbuilding housesmobile phonesnoise pollutionair pollutionwater pollution l_o_u_d_mu_s_ic b_u_i_ld_i_n_g_h_o_u_s_e_s_ mo_b_il_e_p_h_o_n_e_s c_r_o_w_d_s_)ca_r_sb_u_il_d_in_g h_o_u_se_s_ (_mac_h_i_n_e_s_, (b_u_r_n_in_g_,_p_o_we_rp_la_n_t_s)r_u_b_b_is_h p_l_a_n_e_s fa_c_t_o_ri_e_s l_it_te_r_i

5、n_gsmo_k_in_gs_h_ip_sf_a_c_to_r_ie_s (_s_ewa_g_e_, p_e_s_ti_c_id_e_s_) Read and try to predict the answers.What was theproblem?was full of .There were no morefor fishermen to catch.What caused the problem?How should the problem be solved?We should write to the and ask them to the factories. Everyone

6、 should help to the river.系动词后The river was加形容词 . Even the bottom of the river后加名_词请认真阅读句子，分析每空应填词性，预测所填内容。bottom/btm/,/btm/n. 底部；最下部反义词是top (顶端；顶部)fisherman/f(r)mn/n.渔民；钓鱼的人People are throwing into the river.Factories are putting into the river.1b Listen and complete the sentences.What was the prob

7、lem?The river was _r_e_a_ll_y_d_i_rt_y. Even the bottom of the river was full of r_u_b_b_i_sh. There were no more fi_s_h for fishermen to catch.What caused the problem?People are throwing li_t_te_r into the river. Factories are putting w_a_s_t_e into the river.How should the problem be solved?We sho

8、uld write to the g_o_v_e_r_n_m_e_n_t and ask them to c_lo_s_e d_o_w_n the factories. Everyone should help to c_l_e_a_n_u_p the river.Listen again and answer the questions.What does Tony want to do later this afternoon? He wants to go swimming in the river.Why doesnt Mark want to go with Tony?Because

9、 the river was really dirty. Even the bottom ofthe river was full of rubbish, and there were no more fish for fishermen to catch.How was the river in the past? It used to be so clean.Listen and read.Tony: Hey, Mark, maybe we could go swimming in the river later this afternoon.下午晚些时候Mark: I dont thin

10、k I want to go, Tony.Tony: Why not?Mark: I was there last weekend and the river was really的底部dirty. Even the bottom of the river was full of rubbish,and there were no more fish for fishermen to catch.曾经; 过去常常Tony: No way! It used to be so clean. In fact, it has alwaysbeen the nicest river in this to

11、wn.Mark: Not anymore. I think people are throwing litter into the river. Factories are also putting waste into the river.Tony: Thats terrible! We should write to the government.They should close down the factories.关闭Mark: Good idea! But I think everyone in this town should help to clean up the river

12、, too. Everyone should play a part, not just the government.play a part=play a role参与；扮演角色；起作用1c Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.Mark: The river was dirty. Even the bottom of the riverwas full of rubbish.Tony: But it used to be so clean

13、!Mark: Yes, but people are throwing litter into the river.Tony: Everyone in this town should play a part in cleaning it参u与p!;在方面起作用;在中扮演角色Hunt the words.Activity全班分为四个大组，每组选择一个上面（2a）所列的主 题，根据主题开展词汇接力，每个人必须说出与前一个 同学说的词汇有关联的单词或者短语，看看哪一个组能 在规定时间（2分钟）内说出最多的相关词汇。A.land pollutionC.noise pollutionB. air po

14、llutionD. water pollutionland pollutionrubbish一分钟时间回顾本组同学所 列词汇，写在笔记本上，看 看哪个同学能在规定时间内 写出最多的词汇。2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.A. land pollutionC. noise pollutionB. air pollutionD. water pollutionRead and try to predict the answers.The air is b

15、adly polluted because there are on the road these days.Factories that burn coal also the air with a lot of black smoke.There is also too much rubbish and waste. People things every day.People are also littering in like parks. This is turning beautiful places into ugly ones.the air with a4. People ar

16、e also littering inlikeparks. This is turning beautiful places into ugly ones.2b Listen again and complete the sentences.The air is badly polluted because there are m_o_r_e_c_a_r_s on the road these days.Factories that burn coal also p_o_l_lu_t_e lot of black smoke.3. There is also too much rubbish

17、and waste. People_a_r_e_t_h_ro_win_g a_w_a_y_ thingsevery day.p_u_b_l_ic p_la_c_e_sListen and read.Interviewer: Today were talking to Jason and Susanabout environmentalproblems. Jason and Susan, can you tell us about some of the problems youve seen?Jason: I think one problem is that the air is badly

18、 polluted. I hardly ever see blue skies anymore.Susan: Yes, and I used to see the stars clearly.Interviewer: What do you think has caused this problem?Susan: Well, there are more cars on the road these days.Jason: And factories that burn coal also pollute the air witha lot of black smoke.bags.coal n

19、. 煤；煤块Interviewer: What other problems do you see?Susan: I guess theres too much rubbish and waste in the streets.Jason: Yes! Every day people are throwing away things wooden adj. 木制的；木头的like wooden chopsticks, plastic bowls and plasticplastic adj. 塑料的 n. 塑料；塑胶Susan: Theyre also littering in public

20、places, for example, duringpicnics in parks. This is turning beautifulugly adj. 丑陋的；难看的places into ugly ones.Interviewer: Youre right. These are serious problems for our environment. Next, lets talk about the things we can do to help.2c Use the information in 2a and 2b to role-play conversations bet

21、ween Jason and Susan.The air has become really polluted around here. Imgetting very worried.The problem is that .Yes, I used to be able to see stars in the sky.What are your ideas for solving the problem of air pollution ?We should walk, ride a bike, take the bus or subway instead of driving.instead

22、 of 代替；而不是We should plant more trees.What are your ideas for solving the problem of air pollution ?Use your own chopsticks when you buy takeaway food.takeaway n. 外卖食物What are your ideas for solving the problem of waste pollution ?What are your ideas for solving the problem of waste pollution ?We sho

23、uld bring a bag when we go shopping.We shouldnt use plastic bags and throw them everywhere.We should throw rubbish in the（right）bins.bin n. 垃圾箱What are your ideas for solving the problem of waste pollution ?Read the conversation in 2d and fill in the chart.PollutionWays to solve the problemAir pollu

24、tionRide a bike, take the bus or subway instead of driving.Waste pollutionBring a bag to go shopping.Dont take wooden chopsticks or plastic forks when you buy takeaway food.Throw rubbish in the bins.2d Role-play the conversation.Interviewer: Jason and Susan, what are your ideas for减少；砍倒 solving thes

25、e problems?Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving.Susan: Yeah, or ride a bike. There are other advantages of bike riding. Its good for health and it doesnt cost anything!Interviewer: Great ideas! What about waste pollution?Susan: Mmm, I think simp

26、le things like bringing a bag to go shopping can help. I started doing that a year ago.Jason: Me, too. Also, I never take wooden chopsticks or plastic forks when I buy takeaway food. I use the ones at home.remember to do sth. 记得去做某事Susan: And remember to throw rubbish in the bins and keep public pla

27、ces clean and beautiful for everyone.Interviewer: So together, our actions can make a difference and lead to a better future!有作用；有影响 difference前可用 big等词修饰导致；通向make a difference to 对有作用或影响Language points1. There are other advantages of bike riding. (教材P98 2d)advantage /dvntd/, /dvntd/n.优点；有利条件advanta

28、ge作名词，其反义词为disadvantage“缺点；不 利条件”。take advantage of. 意为“利用”。Before making your decision, you should consider the advantages and disadvantages.When possible, take advantage of this time to enjoy the nice weather.Its good for health and it doesnt cost anything! (教材 P98 2d)cost /kst/, /kst/v. 花费cost在此处

29、作动词，其过去式和过去分词均为cost。The watch cost me 200 yuan.【拓展】cost还可作名词，意为“花费；价钱”。Could you tell me the cost of the trip?【易混辨析】cost, spend, take与pay例词主语宾语常用结构cost物金钱sth. cost(s) (sb.) some money某物花费(某人)多少钱spend人时间 或金 钱sb. spend(s) some time/ money on sth.某 人花费时间/金钱在某事/物上sb. spend(s) some time/ money doing sth.

30、某人花费时间/金钱做某事take常用it 作形式 主语时间it takes sb. some time to do sth.做某事花 费某人多长时间pay人金钱sb. pay(s) some money for sth.某人为某 物付费A. instructionsC. advantagesB. instrumentsD. products2.My teacher has given me useful suggestions and I want to thank him from the Aof my heart.A. bottomB. conditionC. wayD. surface1. There are a lot of Cof bike riding. I agree. Its good for the environment and it saves money.Exercises一、单项选择二、根据括号中所给汉语提示及单词的适当形式填空1.If no one litters(litter), thepark will be very clean. 2.Shanxi Province produces the most coal(煤) in China. 3.The man is carrying a small bla