廣州版七年級(jí)下冊(cè)U4savethetrees講義與教案

1、學(xué)習(xí)必備歡迎下載龍文訓(xùn)練一對(duì)一個(gè)性化輔導(dǎo)教案同學(xué)學(xué)校年級(jí)七年級(jí)次數(shù)第次科目課題英語(yǔ)老師日期unit 4 save the trees時(shí)段教學(xué)1.words and expressions in this unit重點(diǎn)2.grammar: the present continuous tense教學(xué)the sentence varieties of the present continuous tense: yes/ no questions and wh-難點(diǎn)questions教學(xué)use words andexpressionsfluently;master the skills ofhow

2、touse the present目標(biāo)continuous tense properly.一、教學(xué)連接：a. homework and explanation教b five minutes test for the last class學(xué)二、內(nèi)容講解：step 1: check about the homework and explain about the mistakes; a five minute check步about last class.驟step 2: lead in to this unit: imagine what roles trees play, and what t

3、he world will be if the trees disappear one day.及step 3:explain the language points in the reading part and the more practice part.教step 4:explain the students how to use the present continuous tense properly.學(xué)step 4:do some exercises related to this unit三、課堂總結(jié)與反思：內(nèi)四、作業(yè)布置：容復(fù)習(xí)整理本節(jié)課學(xué)習(xí)的學(xué)問(wèn)，睡覺(jué)之前花5 分鐘時(shí)間復(fù)習(xí)

4、鞏固治理人員簽字：日期：年月日學(xué)習(xí)必備歡迎下載1、同學(xué)上次作業(yè)評(píng)判： 好 較好 一般 差備注：作2、本次課后作業(yè)：業(yè)布置課堂小結(jié)家長(zhǎng)簽字：日期：年月日unit 4 save the trees name:date:學(xué)習(xí)必備歡迎下載stepsstep 1: check about the homework and explain about the mistakes; a five minute check about last class.step 2: lead in to this unit: imagine what roles trees play, and what the worl

5、d will be if the treesdisappear one day.step 3: explain the language points in the reading part and the more practice part.step 4: explain the students how to use the present continuous tense properly.step 4: do some exercises related to this unitfocus:words and expressions in this unit grammar: the

6、 present continuous tensedifficulties: the sentence varieties of the present continuous tense: yes/ no questions and wh-questionslead inlook and imagine:imagine what roles trees play in the world. what will it be like if there are no trees any more.高頻詞：（中譯英）words and expressions1.有害的2.例子3.與做斗爭(zhēng)4.爭(zhēng)論5.

7、樹(shù)枝6.生產(chǎn)7.反對(duì)8.主要的9.氧氣10. 家具11. 想象12. 便利的學(xué)習(xí)必備歡迎下載13. 搬，扛14. 疾病高頻短語(yǔ)：1.吸取2. 來(lái)自例如準(zhǔn)確地說(shuō)環(huán)顧四周由制成大量的對(duì)有用，有好處reading高頻詞組運(yùn)用1 . harmful 有害的strong sunlight canto your baby .【反義】 harmless 無(wú)害的；無(wú)危急的don t be frightened2. produce 產(chǎn)生；生產(chǎn)these insects are.the factorycars .【鏈接】 product 產(chǎn)品；制品the company has just launched一個(gè)新產(chǎn)

8、品 .3. major 主要的there are airports in all thecities.【近義】 main 主要的【反義】 minor 較小的；次要的4. convenient 便利的let s meet on friday . what s the most （便利的時(shí)間） for you.【反義】 inconvenient 不便利的【鏈接】 conveniently 便利地we liveclose to the shops.5. furniture家具all the furniture（be） very good .【提示】furniture是不行數(shù)名詞 ，表示“一件家具 ”

9、時(shí)需要用 a piece of furniture . 如：the onlypiece of furniture in the room was a large bed.6. imagine 想象；設(shè)想can youlife without electricity .i closed my eyes andi was lying on a beach.【鏈接】 imagination 想象力；想象7. fight against 意為“對(duì)抗；反對(duì)；與作斗爭(zhēng) ”；如：he has tried every way tothe disease.8. know about 意為“明白；知道的事情 ”；

10、如：how much do you know about他 .know more about 意為“更多地明白；更明白 ”；如：學(xué)習(xí)必備歡迎下載i want to knowabout the usa.9. in many ways 意為“在很多方面 ”；如：we can think about the problems.10. “keep + something + 形容詞”的結(jié)構(gòu)來(lái)表達(dá) “使保持（怎么樣） 的意思；如： you must keep your own room（潔凈） .11. “ make + something +形容詞 ”的結(jié)構(gòu)表達(dá) “使變得（怎么樣）的意思，其中的形容詞

11、也可用其比較級(jí)形式；如：we should make our city（潔凈） .let s make our school（更美麗） .12. in one s ldyaliife 意為“在某人的日常生活中 ”，當(dāng)表示 “不同人的日常生活 ”時(shí)，就使用復(fù)數(shù) lives ；如:we have so many solar products in our daily.13. come from 意為 “來(lái)自”；如： ithe south of china.14.比較： for example 與 such as這兩個(gè)短語(yǔ)都可以作 “例如”解；for example 用來(lái)舉例說(shuō)明某一論點(diǎn)或情形，一般

12、只舉同類人或事物中的 “一個(gè)”為例， 可位于句首、句中或句末；如：a lot of things are invisible. for example , we cannot see air at all.such as 用來(lái)列舉事物時(shí)，一般列舉同類人或事物中的幾個(gè)例子，插在被列舉的事物與前面的名詞之間， as 后面不行有逗號(hào) ；1) some of the rubbish ,food , paper and iron , rots away over a long period of time .2) many languages , english and french , have ma

13、ny similar words .15.look around this room.look around 意為“環(huán)顧”；如： i d like toyour company.16bemade of 意為“由制成”；這是一種被動(dòng)語(yǔ)態(tài)，但我們經(jīng)常把它當(dāng)做一個(gè)固定搭配來(lái)記憶；如：the box ismade of cardboard.辨析： be made of 與 be made from 這兩個(gè)詞組都有 “由制成”的意思；但使用前者時(shí)，成品可以看得出原材料；而；使用后者時(shí)，成品看不出原材料；試比較：the chairwood. 木質(zhì)的椅子可以看出原材料是木頭 paperusuallywood

14、. 紙看不出原材料是木頭 17. cut down 意為“砍倒；砍伐”；如： his motherthe beanstalk yesterday.18. millions of 意為“數(shù)以百萬(wàn)計(jì)的；大量的”；如：of people around the world eat these foods every day.學(xué)習(xí)必備歡迎下載下面這些詞組也非常常用：hundreds of成百上千的thousands of成千上萬(wàn)的tens of thousands of數(shù)以萬(wàn)計(jì)的hundreds of thousands of數(shù)以十萬(wàn)計(jì)的19. stop doing something與 stop to

15、 do somethingstop doing something是“停止做某事 ”之意，doing 是 stop的賓語(yǔ)，表示要停止的動(dòng)作； stop to do something意為“停下來(lái)開(kāi)頭做某事to 是 stop 的狀語(yǔ)，表示目的，是要開(kāi)頭做某事；試 比較：the two girls stopped（talk） when they saw me.the two girls stopped（ talk）to me when they saw me.20. take in 意為“吸取 ”如.： we mustnutritious 養(yǎng)分food every day.隨堂練習(xí)a. 依據(jù)句意和

16、所給的首字母完成以下句子；1.he climbed up the tree to get back the kite among the b . 2.we join the army because we want to f for our country. 3.before we move in our new house, we need to buy some f . 4.can you i what the world would be like without water.5.the little factory p two million pencils every day.b 語(yǔ)

17、言學(xué)問(wèn)運(yùn)用；1.the doctor gave him some pills to the pain.a. take offb. take inc. take ond. take away 2.do some sports every day. it will help you keep .a. healthyb. healthilyc. kindlyd. excitedly 3. there are people here in our city.actually, there are people here in our city.a. millions of; three million

18、b. millions of; millionsc. millions of; three million ofd. million of; three million of4、 what time is it now. it is 20:00. i think we should stop first.a. having supperb. have supperc. to have supperd. to having supper5、 i bought furniture. really. what .a a new; is it made ofb. a new; does it made

19、 ofc. a new piece of; is it made ofd. a new piece of; does it made of6、look at this old bridge. it is made stones.a. fromb. ofc. intod. up7、i the swimming club if you it.a. join; joinb. will join; joinc. join; will joind. will join; will join8、he heard someone calling his name, so he stopped and . b

20、ut he couldn t see any onea. looked aroundb. looked upc. looked intod. looked for9、 we can t live without trees. they make our lives .學(xué)習(xí)必備歡迎下載 i agree. we should stop people trees.a. convenient; to cut downb. conveniently; to cut downc. convenient; cutting downd. conveniently; cutting down10、the lit

21、tle dog helps his owner many ways his daily life.a. in; atb. on; inc. in; ind. on; on三、依據(jù)中文提示完成以下句子；1、事實(shí)上，他是一個(gè)好人； ，he is a good man. 2、很多家具是由木材做成的；a lot of woo；d3. 作家們的靈感很多都來(lái)源于他們的日常生活；most of the writers ideas their . 4、換掉你的熱水器，否就你將會(huì)吸入過(guò)量的有害氣體；change your water-heater, you will too much. 5、如今，很多女性都能兼

22、顧事業(yè)和家庭，例如jane就是其中的一位；nowadays, many women have a career and a family jane .more practice1. it covers five and a half million square kilometers of the amazon basin and spreads across nine counties.它掩蓋了亞馬遜流域550 萬(wàn)平方千米的面積，橫穿了9 個(gè)國(guó)家（1） cover 為動(dòng)詞，意為“掩蓋，遮蓋” ；coverwith. 意為“用；把；蓋上”，be covered with. 意為“被；掩蓋著”t

23、he road is usually covered with snow in winter. 冬天公路經(jīng)常被雪掩蓋著（2） across 為借此，意為“穿過(guò)，橫穿” ，表示在物體的表面上或沿著某一條線的方向而進(jìn)行的動(dòng)作；如過(guò)河，過(guò)橋，過(guò)公路等；he walked across the road carefully.他當(dāng)心的過(guò)公路；練習(xí)：用一張厚紙蓋在一杯水上a glasss of watera piece of thick paper2. many living things lose their homes because of deforestation.很多生物由于森林砍伐失去家園be

24、cause of“由于”,介詞短語(yǔ)，其后接名詞，代詞，動(dòng)名詞，what 從句等 the football match was put off because of the rain由于下雨，足球賽延期了練習(xí)：由于年齡關(guān)系他失去了工作he lost his jobhis age.3. as a result, the number of kinds of animals, birds, insects and trees in the world is decreasing,結(jié)果，世界上動(dòng)物，鳥(niǎo)類，昆蟲(chóng)和樹(shù)的種類和數(shù)目都正在削減（1） as a result “結(jié)果，因此”he didnt pr

25、actice, as a result he lost. 他沒(méi)有練習(xí)，因此輸了（2） the number of “.的數(shù)量”，后接復(fù)數(shù)名詞， 但謂語(yǔ)動(dòng)詞要用單數(shù)形式， 常跟 large, small 等詞作表語(yǔ)the number of students in our class is 50.學(xué)習(xí)必備歡迎下載拓展：我們班的同學(xué)人數(shù)是50a number of意為“大量，很多” ，等于 many, 接復(fù)數(shù)名詞作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用復(fù)數(shù)形式，number 前可加 small, large, huge等表示程度a number of students are playing football.很多同

26、學(xué)正在踢足球練習(xí)：1. 交通非常擁擠，因此我們沒(méi)能準(zhǔn)時(shí)到達(dá)the traffic was very heavy.,we didnt arrive on time.2. 我們學(xué)校的同學(xué)人數(shù)是2000the students in our school is 2000.grammar構(gòu)成:主語(yǔ)+be+動(dòng)詞 ing現(xiàn)在分詞形式i+am+v-ingwe/ you/ they+are+v-ing he/ she/ it +is+v-ing定義：現(xiàn)在進(jìn)行時(shí)表示現(xiàn)在或當(dāng)前一般時(shí)間正在進(jìn)行的動(dòng)作；【no. 1】現(xiàn)在進(jìn)行時(shí)的構(gòu)成現(xiàn)在進(jìn)行時(shí)由 "be+v-ing" 構(gòu)成； be 應(yīng)為助動(dòng)詞，初

27、學(xué)者最簡(jiǎn)單漏掉，它應(yīng)與主語(yǔ)的人稱和數(shù)保持一樣；【no. 2】現(xiàn)在進(jìn)行時(shí)的應(yīng)用1當(dāng)句子中有 now 時(shí)，常表示動(dòng)作正在進(jìn)行，這時(shí)要用現(xiàn)在進(jìn)行時(shí)；如：they are playing basketball now現(xiàn).在他們正在打籃球；2以 look,listen 開(kāi)頭的句子，提示我們動(dòng)作正進(jìn)行，這時(shí)要用現(xiàn)在進(jìn)行時(shí)；如： listen！she is singing an english song聽(tīng).，她正在唱英語(yǔ)歌；2【no. 3】現(xiàn)在進(jìn)行時(shí)的變化確定句式：主語(yǔ) +be am, is, are+現(xiàn)在分詞 +其它.否定句式：主語(yǔ) +beam, is, are +not +現(xiàn)在分詞 +其它.一般疑問(wèn)句：

28、 beam, is, are +主語(yǔ)+現(xiàn)在分詞 +其它？特別疑問(wèn)句：疑問(wèn)詞 +beam, is, are+主語(yǔ)+現(xiàn)在分詞 +其它？對(duì)現(xiàn)在進(jìn)行時(shí)的特別疑問(wèn)句的回答，它不行以用 yes 或 no 直接作答，要依據(jù)實(shí)際情形回答；有一些特別變化 或者說(shuō)以 ie 為結(jié)尾的重讀閉音節(jié)的動(dòng)詞的現(xiàn)在分詞有 3 個(gè),:lying lie,dying die tying這tie些以 ie 結(jié)尾要去 e 再把 i 變 y 再加 ing練習(xí)1、在橫線上寫出以下動(dòng)詞的現(xiàn)在分詞形式；carry become die eat argue begin burn escape put send live sit rain li

29、e 2、請(qǐng)改正句子中錯(cuò)誤的地方；b. i watching television. c. he is listen to music. d. they are eat lunch. 學(xué)習(xí)必備歡迎下載e. she is write a letter. f. ye qing is shop. 3. 用所給動(dòng)詞的正確形式填空；ada: hi, bob.bob: hi, ada. what you/ doada: we play at the beach. grace fish and ivan swim.bob: what johnny/ do.ada: he listen the music. t

30、here are lots of people here. carol and ted play volleyball. jenny and henry play the guitar. and dora eat ice cream.bob: you/ have a good time.ada: yes, we be. dad, see you later.4、單項(xiàng)1. look. peter tv happily, but his parents are busy in the kitchen.a. is watchingb. watchesc. watchedd. will watch1. may i speak to the principal. sorry, he a meeting now. can i take a message.a. is havingb. hadc. hasd. will have2. where is sally. her mother