廣州版七年級下冊U4-save-the-trees講義與教案

1、龍文教育一對一個性化輔導教案學生學校年級七年級次數(shù)第次科目英語教師日期時段課題Unit 4Save the trees教學重點1. Words and expressions in this unit2. Grammar: the present continuous tense教學難點The sentence varieties of the present continuous tense: yes/ no questions and wh- questions教學目標Use words and expressions fluently; master the skills of how

2、to use the present continuous tense properly.教學步驟及教學內(nèi)容一、教學銜接：A. homework and explanation Bfive minutes test for the last class二、內(nèi)容講解：Step 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 w

3、hat the world will be if the trees disappear 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 unit三、課堂總結及反思：四、作業(yè)布置：復習整理本節(jié)課學習的知識，睡覺之前花5分鐘時間

4、復習鞏固管理人員簽字：日期：年月日作業(yè)布置1、學生上次作業(yè)評價：好較好一般差備注：2、本次課后作業(yè)：課堂小結家長簽字：日期：年月日Unit 4 Save the treesName: Date: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 world will be if the tr

5、ees disappear 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 unitGrammar: the present continuou

6、s 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.Words and Expressions高頻詞：（中譯英）1. 有害的2. 例子3. 及做斗爭 4. 討論5. 樹枝6. 生產(chǎn)7. 反

7、對 8. 主要的9. 氧氣10. 家具11. 想象 12. 方便的13. 搬， 扛14. 疾病高頻短語：1.吸收 2. 來自例如確切地說環(huán)顧四周由制成大量的對有用，有好處Reading高頻詞組運用1 . harmful 有害的Strong sunlight can to your baby .【反義】harmless 無害的；無危險的Dont be frightened these insects are.2. produce 產(chǎn)生；生產(chǎn)The factory cars .【鏈接】product 產(chǎn)品；制品The company has just launched(一個新產(chǎn)品).3. majo

8、r 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 方便的Lets meet on Friday . Whats the most（方便的時間）for you?【反義】inconvenient 不方便的【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”時需要用a piece of furn

9、iture . 如：The only piece of furniture in the room was a large bed.6. imagine 想象；設想Can youlife without electricity ?I closed my eyes and I was lying on a beach.【鏈接】imagination想象力；想象7.Fight against 意為“對抗；反對；及作斗爭”。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

10、 about(他) ?know more about 意為“更多地了解；更了解”。如：I want to know 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”的結構來表達“使保持（怎么樣）的意思。如： You must keep your own room（干凈）.11.“make + something + 形容詞”的結構表達“使變得（怎么樣）的意思，其中的形容詞也可用其比較級形式。如：We should make our cit

11、y（干凈）.Lets make our school （更漂亮）.12. in ones daily life 意為“在某人的日常生活中”，當表示“不同人的日常生活”時，則使用復數(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 及such as這兩個短語都可以作“例如”解。for example 用來舉例說明某一論點或情況，一般只舉同類人或事物中的“一個”為例，可位于句首、句中或句末。如：A lot of thing

12、s are invisible. For example , we cannot see air at all.such as 用來列舉事物時，一般列舉同類人或事物中的幾個例子，插在被列舉的事物及前面的名詞之間，as 后面不可有逗號。1) Some of the rubbish ,food , paper and iron , rots away over a long period of time .2) Many languages , English and French , have many similar words .15. Look around this room.look

13、around 意為“環(huán)顧”。如：Id like to your company.16(be)made of 意為“由制成”。這是一種被動語態(tài)，但我們常常把它當做一個固定搭配來記憶。如：The box is made of cardboard.辨析：be made of 及be made from這兩個詞組都有“由制成”的意思。但使用前者時，成品可以看得出原材料；而。使用后者時，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 mothe

14、r the beanstalk yesterday.18. millions of 意為“數(shù)以百萬計的；大量的”。如：of people around the world eat these foods every day.下面這些詞組也十分常用：hundreds of成百上千的 thousands of 成千上萬的tens of thousands of 數(shù)以萬計的 hundreds of thousands of 數(shù)以十萬計的19.stop doing something 及stop to do somethingstop doing something 是“停止做某事”之意，doing是

15、stop的賓語，表示要停止的動作；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 stopped （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 mustnutritious (營養(yǎng))food every day.隨堂練習A. 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 th

16、e 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 語言知識運用。1. The doctor gave him some pills to _ the

17、 pain.A. take off B. take in C. take on D. take away2. Do some sports every day. It will help you keep _.A.healthy B.healthily C. kindly D. excitedly3. There are _ people here in our city. Actually, there are _ people here in our city.A. Millions of; three million B. Millions of; millionsC. Millions

18、 of; three million of D. Million of; three million of4、 What time is it now? It is 20:00. I think we should stop _ first.A. having supper B. have supperC. to have supper D. to having supper5、 I bought _ furniture. Really? What _?A a new; is it made of B. a new; does it made ofC. a new piece of; is i

19、t made of D. a new piece of; does it made of6、 Look at this old bridge! It is made _ stones. A. from B. of C. into D. Up7、 I _ the swimming club if you _ it. A. join; join B. will join; join C. join; will join D. will join; will join8、 He heard someone calling his name, so he stopped and _. But he c

20、ouldnt see any one. A. looked around B. looked up C. looked into D. looked for9、 we cant 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; cutting down10、 the little

21、dog helps his owner _ many ways _ his daily life. A. in; at B. on; in C. in; in D. on; on3、 根據(jù)中文提示完成下列句子。1、 事實上，他是一個好人。_ _，he is a good man.2、 許多家具是由木材做成的。 A lot of _ _ _ _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，否則你將會吸入過量的有害氣體。 Change your water-heater, _ you

22、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 Jane _ _.More Practice1. It covers five and a half million square kilometers of the AmazonBasin 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個國家（1） cover 為動詞，意為“覆蓋，遮蓋”。Coverwith. 意為“用。把。

23、蓋上”，be covered with . 意為“被。覆蓋著”The road is usually covered with 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行的動作。如過河，過橋，過馬路等。He walked across the road carefully. 他小心的過馬路。練習：用一張厚紙蓋在一杯水上a glasss of water a piece of thick paper2. Many living things lose their homes because

24、of deforestation.許多生物因為森林砍伐失去家園Because of “因為”,介詞短語，其后接名詞，代詞，動名詞，what從句等The football match was put off because of the rain因為下雨，足球賽延期了練習：由于年齡關系他失去了工作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,結果，世界上動物，鳥類，昆蟲和樹的種類和數(shù)目都正在減少（

25、1） as a result “結果，因此”He didnt practice, as a result he lost. 他沒有練習，因此輸了（2） the number of “.的數(shù)量”，后接復數(shù)名詞，但謂語動詞要用單數(shù)形式，常跟large, small 等詞作表語The number of students in our class is 50.我們班的學生人數(shù)是50拓展：a number of 意為“大量，許多”，等于many, 接復數(shù)名詞作主語時，謂語動詞用復數(shù)形式，number 前可加small, large, huge等表示程度A number of students are

26、playing football. 許多學生正在踢足球練習：1. 交通十分擁擠，因此我們沒能準時到達The traffic was very heavy. ,we didnt arrive on time.2. 我們學校的學生人數(shù)是2000 the students in our school is 2000.Grammar構成:主語+be+動詞ing現(xiàn)在分詞形式I+am+v-ing we/ you/ they+are+v-ing he/ she/ it +is+v-ing定義：現(xiàn)在進行時表示現(xiàn)在或當前一般時間正在進行的動作。  【No. 1】現(xiàn)在進行時的構成   現(xiàn)在進行

27、時由"be+v-ing"構成。be應為助動詞，初學者最容易漏掉，它應及主語的人稱和數(shù)保持一致。 【No. 2】現(xiàn)在進行時的應用 (1) 當句子中有now時，常表示動作正在進行，這時要用現(xiàn)在進行時。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，提示我們動作正進行，這時要用現(xiàn)在進行時。如： Listen！She is singing an English song.聽，她正在唱英語歌。   (2) 【No. 3】現(xiàn)在進行時的變化   肯定句式：主語+be(

28、 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？   對現(xiàn)在進行時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)實際情況回答。      有一些特殊變化(或者說以ie為結尾的重讀閉音節(jié)的動詞)的現(xiàn)在分詞有3個,:lyinglie, dying die tyingti

29、e 這些以ie結尾要去e再把I變y再加ing練習1、 在橫線上寫出下列動詞的現(xiàn)在分詞形式。carry _ eat _ burn _ send _ rain _ become _ argue _ escape _ live _ lie _ die _ begin_ put _ sit _ 2、 請改正句子中錯誤的地方。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. _3. 用所給動詞的正確形式填空

30、。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) the music. There are lots of people here. Carol and Ted _ (play) volleyball. Jenny and Henry _ (play) the guitar. And Dora _ (eat) ice cream.Bob: _

31、 (you/ have ) a good time?Ada: Yes, we _ (be). Dad, see you later.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 watch1. 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 have2. Where is Sally? Her mother _ for her everywhere.A. looks B. looked C. is l