甘肅省白銀市靖遠(yuǎn)縣北灘中學(xué)八年級英語下冊 Unit 4 Lesson 20 A computer Helps導(dǎo)學(xué)案（無答案）（新版）冀教版(1).doc

lesson 20 : a computer helps!階段環(huán)節(jié)教學(xué)過程教師活動學(xué)生活動第一階段預(yù)學(xué)案第二階段教學(xué)案第三階段檢測案目標(biāo)導(dǎo)航學(xué)習(xí)目標(biāo)1.掌握重點單詞enter, key, search, depend, hide2.掌握重點短語search engine, depend on, easter bunny3.重點句型its one of the biggest holidays in many countries.i decided to do all of my research on the internet .the date depends on the moon ,but it is always in march or april .in this way ,it is like the chinese spring festival .自主預(yù)習(xí)掌握本課單詞和短語的讀法，并能了解文章大意。預(yù)習(xí)自測預(yù)習(xí)反饋：合作探究：交流展示：精講點撥：達(dá)標(biāo)測試：鞏固提升教學(xué)反思.英漢互譯。1.進(jìn)入 _ 2.鑰匙_ 3.依靠_4.隱藏_ 5.兔子_ 6.筆記本電腦_ 7.復(fù)活節(jié)_8.搜索_9.話題_重點短語。search engine _depend on _easter bunny _fall on_in this way _search for_重點句型 它是許多國家中最大的一個假期。its _ _ _ _holidays in many countries. 我決定在網(wǎng)上做我所有的研究。i decided to do all of my research _ _ _。 the date depends on the moon ,but it is always in march or april ._.in this way ,it is like the chinese spring festival ._.檢查單詞及詞組的讀法并校正。（2-3min）反饋預(yù)習(xí)自測里的知識。探究一、key 的詞性及用法。（2-3min）交流展示：精講點撥：key n. 鍵；關(guān)鍵；鑰匙 they put the key in the door and entered. 他們用鑰匙開了門然后走了進(jìn)去。key adj. 重要的；關(guān)鍵的he is one of our key thinkers on the future of humanity in the cosmos.他在人類的宇宙前景上這個問題上，是一位重要的思考者。探究二、in this way的用法 (2min )交流展示：精講點撥：探究三、depend on的用法。(2min )交流展示：精講點撥：精講點撥：1.i easter does not fall on the same day each year. 每年復(fù)活節(jié)不落在同一天。fall on 落到；指向but it is lucky that the jug did not fall on my head.幸虧罐子沒有砸在我頭上，這真是不幸中的萬幸。2.do you often search for information on the internet?你經(jīng)常在網(wǎng)上搜索信息嗎？search for 尋找；搜索you can search for and find reviews online, too.你也可以在網(wǎng)上搜索查找相關(guān)評論。fill in the blanks with correct words.1. she used to work at her _ until four in the morning. 她以前經(jīng)常在筆記本電腦前工作到凌晨4點鐘。2. you are the _to your own happiness, so go ahead, unlock it once and for all.你自己便是自己的快樂的鑰匙，因此，往前走，馬上打開那把鎖。3. what do they know about your _?關(guān)于你的主題他們了解多少？4. each day of the _brings its own meaning.節(jié)日里的每一天都有不同的含義。5. the burden would then _ _ the europeans.那么，負(fù)擔(dān)將落到歐洲人的頭上。6. all of our economies _ _ oil.我們所有的經(jīng)濟都得靠石油。7. dont keep getting onto the boy _ _ _, it will not do any good.別老是這樣訓(xùn)斥孩子，這不會有什么好處。8. she pulled a face to _ her embarrassment.她做了一個鬼臉來掩飾她的窘態(tài)。完成課本上lets do it的2、3題。(8-10min )根據(jù)漢語提示完成句子1. most americans start school at the age of five, when they （進(jìn)入）kindergarten.2. ive left my （鑰匙）at home and cant get my books.3. you should （依賴）you