重慶市九年級英語上冊學(xué)案：Unit2 4

精品資料九年級（上）英語 導(dǎo)學(xué)案 班級 姓名 課題學(xué)習(xí)目標(biāo)1. Learn some new words:   create, industry, rubbish, blood2. Review direct speech and indirect speech.3. Review some kinds of pollution and the problems caused by them.學(xué)習(xí)重點(diǎn)Revise direct speech and indirect speech. 學(xué)習(xí)難點(diǎn)Exercises of the direct speech and indirect speech. 教學(xué)時數(shù)采用多媒體教學(xué)方法，小組合作探討，師生問答等方式1period學(xué) 習(xí) 過 程學(xué)習(xí)內(nèi)容（學(xué)生活動）學(xué)習(xí)方法教師知識講解一、學(xué)前準(zhǔn)備.復(fù)習(xí)詞匯。(A) 根據(jù)句意，用所給單詞的適當(dāng)形式填空。1.Look, there is a bird _ (sing) in the tree.2.The bad air makes my chest hurt and its difficult for me _(breath).3.They are doing their homework carefully. Youd better not _(disturb) them.4.Litter _ (influence) the look of our city.5.It is known that smoking does great _(harm) to us.(B) 根據(jù)句意及漢語提示完成句子。6.The chemical factories _ (生產(chǎn)) terrible gas.7.Each year people pour _ (廢物) into rivers, lakes and so on.8.There are _ (幾個) students reading books over there.9.Do you know he has _ (參軍) for five years?10.Loud noises can cause high _ (血) pressure as well.學(xué)生課前 完成一利用圖片，設(shè)置對話，重現(xiàn)不同種類的污染，導(dǎo)入生詞，呈現(xiàn)1a。 (教師板書新詞并釋義，且要求掌握blood；理解pressure。)二讓學(xué)生從文段中找出能體現(xiàn)本話題語法的句子。為調(diào)動學(xué)習(xí)積極性，減緩課堂壓力，進(jìn)行直接引語和間接引語的活動練習(xí)。二、獨(dú)立思考、解決問題.1.閱讀1a然后選詞填空。2.找出直接引語和間接引語的句子，并舉手展示答案。3.呈現(xiàn)練習(xí)題(1)Kangkang said, “The fish have gone.”(2)Jane asked the old lady, “Have you seen a doctor?”(3)The teacher asked, “What does noise pollution cause?” 4.采用對話及練習(xí)的方法，鞏固2a與2b學(xué)生自主學(xué)習(xí)課堂展示三分組討論 合作探究.再讀1a完成1b 的練習(xí) 找出描述每一種污染所帶來的危害的句子。讀2a 和2b小組合作完成組內(nèi)交流課堂展示四自學(xué)反饋 精講點(diǎn)撥復(fù)習(xí)直接引語和間接引語的要點(diǎn)1.直接引語在改為間接引語時、時態(tài)需要做相應(yīng)的調(diào)整。 現(xiàn)在時它需改為過去時態(tài)；過去時態(tài)改為完成時；過去完成時則保留原來的時態(tài)。如： 1) She said. "I have lost a pen." She said she had lost a pen. 2) She said. "We hope so." She said they hoped so. 2.在直接引語變間接引語時人稱的變化有一句順口溜“一隨主。二隨賓，第三人稱不更新小組內(nèi)交流并選取代表歸納總結(jié)五、課后練習(xí)（一）選擇填空。( ) 1. Reading in bed is bad our eyes.A. at B. to C. for( ) 2. Whats more, planes produce _ noise.A. much too B. too much C. too many（二） 完成句子1. 隨著人口的增長污染變得越來越嚴(yán)重。_, pollution is becoming more and more serious.2. 我們周圍的世界每天都在變化。The world _is changing every day.（三）.綜合填空根據(jù)短文內(nèi)容，用所給單詞的適當(dāng)形式填空。loud, live, pollution, easy, pollute, wasteLife today is much better. However, there are new problems. One of the biggest ones is pollution. Water 11 has made rivers dirty. It kills fish and 12 our drinking water. Noise pollution makes us speak 13 and become angry more 14 . Air pollution is the most serious kind of pollution. Its bad for all 15 things in the world.11._ 12._ 13._ 14._ 15._四.情景交際。（5分）填入適當(dāng)?shù)木渥?，補(bǔ)全對話。A: Hello, May!B: Hi, Peter! I havent seen you for weeks. 11._A: I have been to Hawaii (夏威夷).B: How was your journey?A: Great! Hawaii is a beautiful place.B: 12. _A: I went there by air.B: 13. _A: Yes, I had lived there for 4 years before I came here.B: 14. _A: I traveled with my friends.B: 15. _A: I have been away for about eleven days.B: What a wonderful journey!A: Yes, it was! 五書面表達(dá)。人類只有一個地球。根據(jù)提示，以“Saving the Earth”為題，寫一篇80詞左右的短文。提示: 1.如何保護(hù)環(huán)境已成為世界最大難題之一；2.各種污染破壞環(huán)境，損害健康；3.不要亂倒垃圾，亂排廢水；4.我們應(yīng)該保護(hù)環(huán)境，使我們的家園更加美麗。獨(dú)立完成小組內(nèi)檢測教 學(xué)反 思    編寫:張?jiān)葡?、祁德玉、江黎、左坤靜 校審:顧德金最新精品英語資料