Unit2Topic1SectionB1

1、unit 2 saving the earth topic 1 pollution has caused too many problems .section bteaching aims1.knowledge aims： 掌握本課的重點(diǎn)詞匯和短語(yǔ)，正確運(yùn)用現(xiàn)在完成時(shí)進(jìn)行問(wèn)答。2.skill aims: 能通過(guò)觀察課文插圖來(lái)預(yù)測(cè)課文內(nèi)容。能聽懂用現(xiàn)在完成時(shí)表達(dá)的對(duì)話。能朗讀和表演有關(guān)環(huán)保的對(duì)話。能正確運(yùn)用連讀和停頓的技巧，使發(fā)音流暢，富有韻律感。3.emotional aims: (optional)引導(dǎo)學(xué)生關(guān)注環(huán)境問(wèn)題，樹立綠色環(huán)保意識(shí)，增強(qiáng)憂患意識(shí)和社會(huì)責(zé)任感。4.culture awar

2、eness: (optional) 通過(guò)談?wù)摥h(huán)境問(wèn)題，讓學(xué)生了解不同種類的污染及其危害。. the key points and difficult points1. key points: words and phrases: pain, produce, awful, bear, harmful, chest, editor, breathe/breath, soil get a pain in, whats worse, too much noise, too many problems, breathing problem, be harmful to, make a mess of,

3、 throwaroundsentences: its difficult for me to breathe. ive got a pain in my throat. its really awful. a: how long have you been like this? a: have you seen a doctor? b: ive been like this since last week. b: not yet. grammar: present perfect的問(wèn)答。watch the flash, then answer the questions below. answ

4、er the questions.1. does bruce look well?2. whats wrong with him?3. how long has he been like this?4. has he seen a doctor?no, he doesnt.two days.he looks weak.he has a headache and a cough.= he has got a pain in his head./he has been like this for two days.no, he hasnt./ not yet. pain pain n. n. 疼，

5、痛，痛苦疼，痛，痛苦kangkang was going to leave the west hill.he met mrs. zhou.they had a talk. kangkang asked mrs. zhou some questions.what questions did kangkang ask?b. listen again and match each question above with an answer below.a. not yet. b. ive been like this since last week. c. its difficult for me

6、to breathe. d. oh, yes.cbad1b a. listen to 1a and check the questions you hear. question answer1. whats wrong with you? _2. how long have you been like this? _3. where have you been? _4. have you seen a doctor? _5. have you noticed the dead fish in the river? _1c read 1a and answer the questions.1.

7、what caused mrs. zhous problems?2. what will kangkang do?3. do you have any other ways to solve mrs. zhous problems?the bad air and too much noise.he will write to the newspaper about these problems.2 choose the correct words to complete the passage.dear editor, im writing to say something about the

8、 chemical factory near my house. the factory causes _ (too many/ too much) problems. first, it produces terrible gas, and it is hard for us to _ (breathe/ breath). whats worse, the factory makes a lot of noise. we cant sleep well at night. it also pollutes the river nearby. now there are many _ (die

9、/ dead) fish in the river. i think people should care for these problems and i hope the government will solve them soon. yours, kangkangtoo manybreathedeadthe factory causes too many problems. too many + 可數(shù)名詞復(fù)數(shù)可數(shù)名詞復(fù)數(shù)e.g. there are too many people in the supermarket. i dont want to go there any more.

10、too much + 不可數(shù)名詞不可數(shù)名詞e.g. i am busy. i have too much work to do.much too + adj./ adv.e.g. its much too cold today. many people stay at home instead of going out.1a look, listen and say.its difficult for me to breathe. 我呼吸很困難。我呼吸很困難。breathe v. 呼吸呼吸 e.g. he could hardly breathe because of the lung can

11、cer.breath n. 呼吸呼吸 e.g. she took a long slow breath to calm down.its + adj. + for sb. to do sth.e.g. its important for us to learn english well. its easy for him to solve this problem.3a look at the pictures and read the words and phrases, paying attention to the sounds and stress. soil pollutionwat

12、er pollutionnoise pollutionair pollutionlitterlight pollution( )( )( )( )( )( )a bc de ffcdabesoil n. 土壤，土地example:people use chemicals too much in their fields, /and soil pollution causes unhealthy food.1. people pour waste water into rivers and lakes, /so _ is almost everywhere in china.2. _ makes

13、 people sick. /it causes breathing problems and even cancer.3. in some cities, /theres too much _ caused by many cars.4. _ is harmful to birds. /also, /when we use too many lights at night, we waste energy.5. _ makes a mess of our environment, /so people shouldnt throw it around.3b complete the sent

14、ences with the words and phrases in 3a. then read them aloud, paying special attention to the pronunciation, liaison and pause.water pollutionair pollutionnoise pollutionlight pollutionlitterlight pollution is harmful to birds.harm v. & n. 危害，傷害，損害危害，傷害，損害harmful adj. 有害的有害的e.g. it is harmful to

15、 animals. = it does great harm to animals. be harmful to = do harm to 對(duì)對(duì)有害有害單項(xiàng)選擇單項(xiàng)選擇( ) 1. there are _ books in the shop. i dont know which one to choose. a. too many b. too much c. much too d. too( ) 2. dont smoke. its _ to our health. sorry, i wont do it again. a. harmb. harmful c. harmsd. harmed(

16、 ) 3. he has a headache. he feels difficult _. a. breathe b. breath c. to breathe d. to breath abc單項(xiàng)選擇單項(xiàng)選擇( ) 4. she is so noisy that i cant _ her. a. seeb. know c. beard. understand( ) 5. how long have you _ this? for a week. a. likedb. been c. been liked. like( ) 6. if you are always _, it will be

17、 bad for your health. a. in a good moodb. in a bad mood c. in good healthd. in need ccb1. use the correct stress, pronunciation, liaison and pause while reading aloud.2. know the differences between simple past and present perfect. ive got a pain in my throat. pollution has caused too many problems.1. some words: breathe, pain, produce, chest, awful, bear, breath, soil, harmful2. some phrases: have got a pain in, be harmful to, too many, too much3