七年級(jí)下冊(cè)Unit 4 Save the trees教案-精簡(jiǎn)版

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1、 龍文教育一對(duì)一個(gè)性化輔導(dǎo)教案 學(xué)生 學(xué)校 年級(jí) 七年級(jí) 次數(shù) 第 次 科目 英語 教師 日期 時(shí)段 課題 Unit 4 Save the trees 教學(xué)重點(diǎn) 重點(diǎn)詞匯、短語、句型和語法的識(shí)記、理解和運(yùn)用 教學(xué)難點(diǎn) 詞匯的準(zhǔn)確拼讀和理解，課文重點(diǎn)句子理解和復(fù)述，考點(diǎn)靈活準(zhǔn)確運(yùn)用 教學(xué)目標(biāo) 改善學(xué)生的語音，積累詞匯，提高句子翻譯（聽說讀寫）的能力。 教 學(xué) 步 驟 及 教 學(xué) 內(nèi) 容 一、課前熱身： 1.了解學(xué)生本周在校的學(xué)習(xí)進(jìn)度和學(xué)習(xí)情況。 2.口語訓(xùn)練Free talk：Talk abou

2、t why trees are important 3.檢查學(xué)生上一課的課后作業(yè)。 二、內(nèi)容講解： Step 1: Lead in to this Unit: Imagine what roles trees play, and what the world will be if the trees disappear one day. Step 2: Explain the language points in the reading part and the more practice part. Step 3: Explain the students how to u

3、se the present continuous tense properly. Step 4: Do some exercises related to this unit 三、課堂小結(jié)： 通過今天的學(xué)習(xí)，幫助學(xué)生整體梳理本單元的基礎(chǔ)知識(shí)，進(jìn)一步夯實(shí)學(xué)生對(duì)于詞匯，短語，句型，語法及綜合運(yùn)用的能力。 四、作業(yè)布置： 完成講義要求作業(yè)，進(jìn)一步鞏固本節(jié)課知識(shí)點(diǎn)的理解和綜合運(yùn)用能力。 管理人員簽字： 日期： 年 月 日 作業(yè)布置 1、學(xué)生上次作業(yè)評(píng)價(jià)： ○ 好 ○ 較好 ○ 一般 ○ 差

4、 備注： 2、本次課后作業(yè)： 課堂小結(jié) 家長(zhǎng)簽字： 日期： 年 月 日 Unit 4 Save the trees 一、口語訓(xùn)練 A、Talk about why trees are important Tips: Trees are good for…… We can make….. We also get…… B、朗讀Reading部分 二、課程導(dǎo)入 Look and imagin

5、e: Imagine what roles trees play in the world. What will it be like if there are no trees any more. 三、Reading重點(diǎn)和難點(diǎn)解釋 1 . harmful 有害的 Strong sunlight can to your baby . 【反義】harmless 無害的；無危險(xiǎn)的 Don’t be frightened—— these insects are . 2. produce 產(chǎn)生；生產(chǎn) The factor

6、y cars . 【鏈接】product 產(chǎn)品；制品 The company has just launched (一個(gè)新產(chǎn)品). 3. major 主要的 There are airports in all the cities. 【近義】main 主要的 【反義】minor 較小的；次要的 4. convenient 方便的 Let’s meet on Friday . What’s the most （方便的時(shí)間）for you? 【反義】inconvenient 不方便的

7、【鏈接】conveniently 方便地 We live close to the shops. 5. furniture 家具 All the furniture （be）very good . 【提示】furniture 是不可數(shù)名詞，表示“一件家具”時(shí)需要用a piece of furniture . 如：The only piece of furniture in the room was a large bed. 6. imagine 想象；設(shè)想 Can you life without electricity ? I

8、closed my eyes and I 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 to the disease. 8. know about 意為“了解；知道……的事情”。如： How much do you know about (他) ? know more about 意為“更多地了解；更了解”。如： I want to know

9、 about 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)來表達(dá)“使……保持（怎么樣）的意思。 如： You must keep your own room （干凈）. 11. “make + something + 形容詞”的結(jié)構(gòu)表達(dá)“使……變得（怎么樣）的意思，其中的形容詞也可用其比較級(jí)形式。如： We should make our city （

10、干凈）. Let’s make our school （更漂亮）. 12. in one’s daily life 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)，則使用復(fù)數(shù)lives。 如: We have so many solar products in our daily . 13. come from 意為“來自”。如：I the south of China. 14.比較：for example 與such as 這兩個(gè)短語都可以作“例如”解。for example 用來舉例說明某一論點(diǎn)

11、或情況，一般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 后面不可有逗號(hào)。 1) Some of the rubbish , food , paper and iron , rots away over a long period of time . 2) Many languages , English a

12、nd French , , have many similar words . 15. Look around this room. look around 意為“環(huán)顧……”。 如：I’d like to your company. 16．(be)made of 意為“由……制成”。 這是一種被動(dòng)語態(tài)，但我們常常把它當(dāng)做一個(gè)固定搭配來記憶。如：The box is made 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

13、后者時(shí)，成品看不出原材料。 試比較： The chair wood. (木質(zhì)的椅子可以看出原材料是木頭) Paper usually wood. (紙看不出原材料是木頭) 17. cut down 意為“砍倒……；砍伐……”。 如： His mother the beanstalk yesterday. 18. millions of 意為“數(shù)以百萬計(jì)的；大量的”。 如：of people around the world eat these foods every day. 下面這些詞組也十

14、分常用： hundreds of成百上千的 thousands of 成千上萬的 tens of thousands of 數(shù)以萬計(jì)的 hundreds of thousands of 數(shù)以十萬計(jì)的 19. stop doing something 與stop to do something stop doing something 是“停止做某事”之意，doing是stop的賓語，表示要停止的動(dòng)作；stop to do something 意為“停下來開始做某事to 是stop 的狀語，表示目的，是要開始做某事。 試比較： The two girls stoppe

15、d （talk） when they saw me. The two girls stopped （talk）to me when they saw me. 20. take in 意為“吸收”.如： We must nutritious (營養(yǎng))food every day. 隨堂練習(xí) 一、詞匯和短語 有害的____________________ 例子____________________ 與…做斗爭(zhēng) ____________________ 討論____________________ 樹枝_______________

16、_____ 生產(chǎn)____________________ 反對(duì) ____________________ 主要的____________________ 氧氣____________________ 家具_(dá)___________________ 想象 ____________________ 方便的____________________ 搬， 扛____________________ 疾病____________________ 高頻短語： .吸收 ____________________ 來自____________________ 例如___

17、_________________ 確切地說____________________ 環(huán)顧四周____________________ 由…制成____________________ 大量的____________________ 對(duì)…有用，有好處____________________ 二、根據(jù)句意和所給的首字母完成下列句子。 1. He climbed up the tree to get back the kite among the b__________. 2. We join the army because we want to f____________ fo

18、r our country.Before we move in our new house, we need to buy some f___________. 3. Can you i___________ what the world would be like without water? 4. The little factory p___________ two million pencils every day. 三、語言知識(shí)運(yùn)用。 1. The doctor gave him some pills to __________ the pain. A. take of

19、f B. take in C. take on D. take away 2. Do some sports every day. It will help you keep __________. A. healthy B. healthily C. kindly D. excitedly 3. —There are _________ people here in our city. —Actually, there are __________ people here in our c

20、ity. A. Millions of; three million B. Millions of; millions C. Millions of; three million of D. Million of; three million of 4、 —What time is it now? —It is 20:00. I think we should stop __________ first. A. having supper B. have supper C. to have supper

21、 D. to having supper 5、 —I bought ____________ furniture. —Really? What ________? A． a new; is it made of B. a new; does it made of C. a new piece of; is it made of D. a new piece of; does it made of 6、 Look at this old bridge! It is made __________ stones. A. f

22、rom B. of C. into D. Up 7、 I _________ the swimming club if you ________ it. A. join; join B. will join; join C. join; will join D. will join; will join 8、 He heard someone calling his name, so he stopped and ________. But he couldn’t see any one. A. looked ar

23、ound B. looked up C. looked into D. looked for 9、 —we can’t live without trees. They make our lives _________. —I agree. We should stop people _________ trees. A. convenient; to cut down B. conveniently; to cut down C. convenient; cutting down D. conveniently; cu

24、tting down 10、 the little dog helps his owner _________ many ways __________ his daily life. A. in; at B. on; in C. in; in D. on; on 四、根據(jù)中文提示完成下列句子。 1、 事實(shí)上，他是一個(gè)好人。___________ __________，he is a good man. 2、 許多家具是由木材做成的。 A lot of __________ ___________ __________ _____

25、___wood。 3. 作家們的靈感許多都來源于他們的日常生活。 Most of the writers’ ideas _______ _________ their ______ ___________. 4、 換掉你的熱水器，否則你將會(huì)吸入過量的有害氣體。 Change your water-heater, ________ you will _________ __________ too much. 5、 如今，許多女性都能兼顧事業(yè)和家庭，例如Jane就是其中的一位。 Nowadays, many women have a career and a family —J

26、ane _______ _________. 四、More Practice重點(diǎn)和難點(diǎn)解釋 1. It covers five and a half million square kilometers of the Amazon Basin and spreads across nine counties. 它覆蓋了亞馬遜流域550萬平方千米的面積，橫穿了9個(gè)國家 （1） cover 為動(dòng)詞，意為“覆蓋，遮蓋”。Cover…with…. 意為“用….把….蓋上”，be covered with …. 意為“被……覆蓋著” The road is usually covered with

27、 snow in winter. 冬天馬路常常被雪覆蓋著 （2） across 為借此，意為“穿過，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。如過河，過橋，過馬路等。 He walked across the road carefully. 他小心的過馬路。 練習(xí)： 用一張厚紙蓋在一杯水上 a glasss of water a piece of thick paper 2. Many living things lose their homes because of deforestation.許多生物因?yàn)樯挚撤ナゼ覉@

28、Because of “因?yàn)椤?介詞短語，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 因?yàn)橄掠?，足球賽延期? 練習(xí)： 由于年齡關(guān)系他失去了工作 He lost his job his 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，鳥類，昆蟲和樹的種類和數(shù)目都正在

29、減少 （1） as a result “結(jié)果，因此” He didn’t practice, as a result he lost. 他沒有練習(xí)，因此輸了 （2） the number of “…..的數(shù)量”，后接復(fù)數(shù)名詞，但謂語動(dòng)詞要用單數(shù)形式，常跟large, small 等詞作表語 The number of students in our class is 50. 我們班的學(xué)生人數(shù)是50 拓展： a number of 意為“大量，許多”，等于many, 接復(fù)數(shù)名詞作主語時(shí)，謂語動(dòng)詞用復(fù)數(shù)形式，number 前可加small, large, huge等表示程度 A

30、 number of students are playing football. 許多學(xué)生正在踢足球 練習(xí)： 1).The traffic was very heavy. ,we didn’t arrive on time. 交通十分擁擠，因此我們沒能準(zhǔn)時(shí)到達(dá) 2). the students in our school is 2000. 我們學(xué)校的學(xué)生人數(shù)是2000 五、Grammar：現(xiàn)在進(jìn)行時(shí) 構(gòu)成:主語+be+動(dòng)詞ing〔現(xiàn)在分詞〕形式 I+am+v-ing

31、 we/ 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，初學(xué)者最容易漏掉，它應(yīng)與主語的人稱和數(shù)保持一致。 【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)。

32、 如： Listen！She is singing an English song.聽，她正在唱英語歌。 ? (2) 【No. 3】現(xiàn)在進(jìn)行時(shí)的變化 ? 肯定句式：主語+be( am, is, are)+現(xiàn)在分詞+其它. ? 否定句式：主語+be(am, is, are) +not +現(xiàn)在分詞+其它. ? 一般疑問句：Be(am, is, are) +主語+現(xiàn)在分詞+其它？ ? 特殊疑問句：疑問詞+be(am, is, are)+主語+現(xiàn)在分詞+其它？ ? 對(duì)現(xiàn)在進(jìn)行時(shí)的特殊疑問句的回答，它不可以用Yes或No直接作答，要根據(jù)實(shí)際情況回答。 ??有一些特殊變化(或

33、者說以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―tie 這些以ie結(jié)尾要去e再把I變y再加ing． 隨堂練習(xí) 1、 在橫線上寫出下列動(dòng)詞的現(xiàn)在分詞形式。 carry ______ eat ______ burn ______ send ______ rain ______ become ______ argue ______ escape ______ live ______ lie ______ die ______ begin_____

34、_ put ______ sit ______ 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. _________________________ E. She is write a letter. _________________________ F. Ye Qing is shop. ________

35、_________________ 3. 用所給動(dòng)詞的正確形式填空。 Ada: Hi, Bob. Bob: Hi, Ada. What __________________ (you/ do) Ada: We __________________ (play) at the beach. Grace __________________ (fish) and Ivan __________________ (swim). Bob: What __________________ (Johnny/ do)? Ada: He __________________ (listen) t

36、he music. There 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

37、. 4、單選 1. Look! Peter ________ TV happily, but his parents are busy in the kitchen. A. is watching B. watches C. watched D. will watch 1. ——May I speak to the principal? ——Sorry, he _______ a meeting now. Can I take a message? A. is having B. had C. has D. will have 2.

38、 Where is Sally? Her mother _______ for her everywhere. A. looks B. looked C. is looking D. was looking 3. ——Dad _____ for paris tomorrow. ——Really? Let’s go and ask him to bring back some presents for us. A. Are going to leave B. Is leaving C. Left D. leaves 4. Listen! _______

39、_ you _________ someone crying? A. Do; hear B. Are; hearing C. Did; hear D. Will; hear 5. ——Can your brother make a model airplane? ——Yes, these weeks he ________ a new school. A. builds B. is built C. will built D. is building 6. As we know, things like that ________ all o

40、ver the world every day. A. Happens B. Are happened C. Are happening D. Will be happened 7. ——Sam, come downstairs, please. I need your help. ——I don’t think I can, mum. I _______ on the phone. A. talk B. talked C. talking D. am talking 5、用所給詞的正確形式填空。 Simon ________(be)

41、a businessman. He ________(have) two sons. One _______(study) in No. 1 Middle school, and the other is studying in No.2 Middle School. These days, Simon _______(do) a big project and he ________(leave) Guangzhou next week. His sons ________(be) very happy because they can do everything they like, such as ________(sleep) late, _______ (watch) TV a lot and ________ (eat) a lot of ice-creams. They _______(look) forward to it.