Unit4 At the farm A Lets talk &lets play一、教學目的：1.能理解對話大意，并能以正確的語音語調(diào)朗讀對話。2.能在情景中運用句型Are these? Yes, they are. What are these? They are詢問物品名稱并作答。3.運用They are good/so big!描述物品特點。4.結(jié)合語境理解單詞carrot, tomato的意思。二、教學重點：能在情景中運用句型Are these? Yes, they are. What are these? They are詢問物品名稱并作答。三、教學難點：掌握are引導的一般疑問句，名詞變復數(shù)的規(guī)則及讀音。四、教學準備： 教學掛圖、教學光盤、人物頭飾、教學課件五、教學過程：Step1 Warm up1. 學生們自由討論喜愛的蔬菜，為下文的正題做準備。2頭腦風暴游戲：匯報前置作業(yè)，收集學過的顏色單詞。3. 圍繞前置作業(yè)，引出蔬菜單詞。板書單詞red，出示一支紅色鋼筆，板書 a red pen。教師問：What else can be red？引導學生說詞組，如：a red bag, a red apple等。最后教師說：I know a kind of red vegetable. Its round. Its juicy. It looks like apples. What is it?教師在黑板上貼上有一個西紅柿的圖片，說：Look! Its a tomato.板書tomato并教讀。 Step2 presentation1.What are these？Theyre .的呈現(xiàn)與操練。（1)完成Lets talk。教師拿出有兩個西紅柿的圖片，對比學習，問：What are these？引導學生說：They are tomatoes.板書句子：They are tomatoes.提示tomato一詞復數(shù)的變化，幫助學生理解Its a tomato.和They are tomatoes.兩個句子的不同含義。（2)教師讓學生結(jié)合日常生活實際，思考西紅柿的特征。引導學生運用句型Theyre來描述。小組討論，匯報交流，教師補充，教師手指西紅柿描述：These are tomatoes. They are red. They are good. They are yummy.（3)同桌兩人一組練習運用They are描述一種水果，讓大家猜一猜是什么。（4)教師繼續(xù)描述：They are yellow. They are small. They are yummy, too. What are they? 教師出示黃色西紅柿圖片，說They are tomatoes, too. They are yellow tomatoes.（5)呈現(xiàn)胡蘿卜的圖片，教學carrots,引導學生說They are so big! 同桌結(jié)對用What are these?對red tomatoes, yellow tomatoes和carrots進行提問，并用 Theyre Theyre so!回答。2.學生呈現(xiàn)與操練對話。T：Are these carrots?S：Yes, they are.3.教師出示幼苗圖片，問：What are these? Can you guess? 引導學生用 Are these？進行猜測。教師適當回答：Yes, they are.或No, they arent.4.教師播放對話的教學光盤，學生觀看、跟讀并分角色表演。Step3: consolidation 1.完成Lets play。三人一組，完成猜一猜游戲。S1提出疑問What are these?S2負責運用句型Are they? S3回答問題。如：S1:What are these? S2:Are they tomatoes?S3:No.2.課件呈現(xiàn)水果圖片，如蘋果、梨、橘子等，問Are these?請學生用Yes, they are.或No, they arent.進行判斷。 Step4: Homework將Lets talk部分對話讀給家長聽。教學板書：Unit 4 At the farmAre these carrots?Yes, they are. /No, they arent.What are these?Theyre tomatoes.Theyre red/yellow.教學反思： 本課時主要學習句型Are these? Yes, they are. What are these? They are詢問物品名稱并作答。教師在引入課題的時候采用猜一猜游戲引出tomato。通過對比一個西紅柿和兩個西紅柿，引出What are these? Theyre tomatoes. 和Its a tomato.的區(qū)別。然后教師通過