2019-2020年八年級英語下冊 Unit4 Lesson25教案 冀教版 .doc
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2019-2020年八年級英語下冊 Unit4 Lesson25教案 冀教版 Lesson25 Lets Do an Experiment! ?Step1:復習鞏固、激情導入 復習:提問unit3重點詞組和句型 導入:Do you like to do experiment? What experiment have you done? ?Step2:出示目標、明確任務 1.牢記本課黑體詞匯:science/experiment/fill/prove/scientific/method等; 2.能分角色表演對話; 3.背誦重點句子1-5,并靈活運用相關知識點。 ?Step3:自主學習、合作探究 任務一:限時5分鐘,熟讀所有詞匯,牢記黑體詞匯 任務二:熟讀對話,把握其意,畫出不理解處,同桌之間交流 任務三:背誦重點句子,并自學知識點,畫出不理解處,同桌之間交流 1.I fill a jar with water. 2.I turn the jar upside down. 3.Im sure the floor wont get wet. 4.We can prove whos right. 5.Well do the experiment and observe what will happen. ?Step4:師生互動、展示提升 互動一:單詞記憶比賽 互動二:對話熟讀接力賽 互動三:知識點展示大比拼 知識點一:I fill a jar with water. fill…with…意為“ 用…裝滿… ” be filled with…=be full of…意為 “充滿…” fill in… 意為“ 填上…;填充…” Eg: On hearing the news, her eyes are filled with tears. They filled the hole with water. Fill in the blanks. 知識點二: I turn the jar upside down. Turn…upside down意為“把……翻轉/倒過來” upside down 意為“正面朝下” right side up意為“正面朝上” Eg: That picture is upside down. You hold the book upside down. 知識點三:Im sure the floor wont get wet. be sure (that)從句,意為“肯定……,確定……”主句的主語必須是人 否定形式是be not sure+疑問詞引導的從句。 Eg: Tom is sure that he will win the game. Tom is not sure whether he can win the game. Im not sure when hell e here. 知識點四:We can prove whos right. prove是及物動詞,意為“證明,證實” 常用于以下結構:prove sth.(to sb.);prove(to sb.)that…;prove…(to be)+adj/n. Eg: The fact has proved the mans honesty to us all. =The fact has proved to us all that the man is honest. =The fact has proved the man (to be) honest. prove也可以作不及物動詞,意為吧“證明\表明(自己)是…”后跟形容詞或名詞。 Eg: My theory will prove right some day. During the trip,he proved a man with a strong will. 知識點五: Well do the experiment and observe what will happen. ?。?)observe是動詞,意為 “觀察” observe sb. do sth. observe sb.doing sth. 用法同see/watch/hear等 Eg: I observed her dance. When I passed by the grass,I observed him walking. (2)happen vi 意為“發(fā)生” 【固定短語】sth happens to sb(無被動語態(tài)) Happen to do sth Eg: What has happened to you? I happened to meet an old friend yesterday. ?Step5:鞏固練習、檢測驗收 教學反思:- 配套講稿:
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