重慶市九年級英語上冊學案：Unit2 12

精品資料九年級（上）英語 導學案 班級 姓名 課題學習目標1. Learn some new words: towel, offer2. Review some compound sentences: (1) About 35% of the garbage in Hong Kong can be recycled every year while the rest cant. (2) People produce power from coal, but it is very dirty and causes acid rain.3. Learn how to be a greener person. 學習重點Review some compound sentences:學習難點Use some compound sentences to make sentences.教學方法和教學時數(shù)采用多媒體教學方法，小組合作探討，師生問答等方式1 period學 習 過 程學習內(nèi)容（學生活動）學習方法教師知識講解一、學前準備1.復習總結(jié)本話題環(huán)保節(jié)能的內(nèi)容，訓練學生的聽說技能，鼓勵學生成為綠色環(huán)保使者2. 根據(jù)句意，用所給單詞的適當形式填空。6.These tin bottles were collected for _ (recycle).7.In some countries such as India, shaking the head means _ (agree).8.In my hometown, we have _ (reuse) some waste things for producing energy again.9. _ (nod) your head if you agree with me.10.The earth is _ (shake), and there must be an earthquake (地震).學生課前 完成要求學生根據(jù)上面的內(nèi)容，兩人一組編一個對話，談?wù)撛鯓硬拍艹蔀榫G色使者。鼓勵學生盡可能地對本單元內(nèi)容進行整合。(教師進行鼓勵和評價，同時總結(jié)內(nèi)容，導入新課。)二、獨立思考、解決問題1.讓學生迅速閱讀2a,作一個自我測驗并掌握新詞。完成2a。2.通過朗讀、翻譯、聽錄音等方式，鞏固本話題功能句。(1)(復習鞏固本單元的重要句型，完成3b。) T: Turn to Page 48. Lets read the useful expressions of 3b together. Then Ill ask some students to translate them into Chinese. (2)(翻譯句子，強化對有用短語的應用。) T: Now please translate my sentences into English, and write them down. Pay attention to making similar sentences with the useful expressions.你不應該在這兒吸煙。你愿意對這些垃圾進行分類嗎？洗完衣服后應該把水龍頭關(guān)掉。(3) (聽錄音，注意語音語調(diào)，鞏固3a，3b。)學生自主學習課堂展示三分組討論 合作探究讓學生開展小組討論，引導學生做總結(jié)報告，鞏固2a。1. 根據(jù)學生的得分情況把學生分成四小組，讓各小組同學討論自己得分多少的原因并給出建議，使學生更加明白如何才能成為一名綠色環(huán)保者。2. 要求學生做總結(jié)報告，訓練口語。完成2b。3. 通過上一步，列出各小組好的建議，讓學生爭做綠色使者。小組合作完成組內(nèi)交流課堂展示四、自學反饋 精講點撥要求學生掌握下列詞組的用法1. how ofen 表示“多長時間一次”“是否經(jīng)常”用來提問在某一時間內(nèi)進行某個 動作的次數(shù)。答語常是never ,sometime, often ,once a day 等表示頻度的副詞和短語。Eg, How often do you play basketball? Once a week.而how long 主要提問時間的長短。答語通常是一段時間􀅹如for two weeks 􀅹three days.也可以詢問長度。 e.g How iong have you been here? Two months. e.g How long is the ruler?另外how soon 表示“需要多長時間􀅹過多久”多用于將來時或含將來意義的。答語常用in aweek ,in a year 等。e.g How soon will arrive here? In five minutes. how far 是提問兩地的距離。意為“多遠”。E,g, How far is it from ZhaoQing to Guangzhou.?2. stop dong sth. 意為“停止正在做某事”stop to do sth. 是停下來正在做的事去做另外一件事。 E,g When the teacher came in ,the students stopped talking. He stopped to talk with her .小組內(nèi)交流并選取代表歸納總結(jié)五、課后練習一.總結(jié)并列句的用法并聽3a. 然后練習用連詞and ,but ,however , or 和while 填空1.The car is very old_in good condition .(2). He likes football_I like basketball.(3).He knows English well ._he has never been to England.(4).Im interested in English, _I am good at English(5) .Work hard ,_you will fall behind.二用所給詞的適當形式填空1.Trees can stop the wind from _(blow)of water.2.Its difficult _(find )new land to put the rubbish in3._Whats he doing there? _He is watching the _(move)of water.4.Some day everone will come to realize the_(important)of saving.5.Eating too much is _(harm)to your stomach.三完成句子1. 你們是怎樣處理工業(yè)廢水的How do you _ _the waste water from the factory.2. 她不但是位好老師􀅹而且是位偉大的作家。Se is _ _a good teacher _ _a great writer.3.美國許多青少年的聽力和65 歲的老人一樣。Many teenagers can hear _ _than 65-year old people do in America.四短文填空 根據(jù)短文內(nèi)容從方框中選出正確的單詞或詞組并用其正確形式填空。because of,die,important,serious,polluteAs we know,wateris the 1 thing to human beings.But a lot of people,birds andfish die each day 2 water pollution.Industry factories 3 the land,lakes andrivers. As a result,lots of fish in lakes and rivers are now 4 . The problem of waterpollution has become even _5_.Now lets do something useful to prevent waterpollution.1._ 2._. 3._ 4._ 5._獨立完成小組內(nèi)檢測教 學反 思    編寫:張云霞、祁德玉、江黎、左坤靜 校審:顧德金最新精品英語資料