人教九上U6第2课时导学教案.doc

自主学习方案1.学生自学生词，并记住单词拼写和拼读。2.预习课本，熟读重点短语和句子。（见学习目标）课堂导学方案Step 1 复习Ask students when the car was invented,when the telephone was invented, when the computer was invented环节说明：简要复习上节课学习过有关物品的发明时间的内容。Step 2 情景导入Say that Chinese tea is drunk and famous all over the world,then ask the students if they know how the tea was invented.环节说明：询问学生有关茶的情况，为学习3a 作铺垫。Step 3 完成教材3a-4c的任务1.3a学生快速阅读本节文章，找出每段的段意。参考答案：Paragraph 1 How tea was invented by accident.Paragraph 2 Lu Yu and his book WTBXCha Jing.Paragraph 3 How tea spread to other countries.2.3b学生再次阅读该文章，找出本节问题的答案。3.3c学生根据文意用方框中单词的适当形式完成句子。参考答案：invented, drunk, produced, brought, traded4.处理3a重难点，学生朗读。5.4a用被动语态改写句子。6.4b学生用方框内动词的正确形式完成句子。7.4c学生确定这些句子应该用主动语态还是被动语态。在空白处填上正确的形式。课堂资料包Step1 重难点解析1.How tea was invented by accident 茶是如何被偶然发明的(1)by accident=by chance/accidentally，意为“偶然地；意外地”，作副词用。如：He thought out the solution to the problem almost by accident.他几乎出于偶然而想出了解决问题的办法。We didnt know he did it whether by accident or design.我们不知道他是偶然还是有意做了这件事。(2)by accident与by mistake的区别：by mistake表示“不小心地，错误地”。如：I took your umbrella by mistake yesterday.昨天我错拿了你的伞。He wrote the word “fell” by mistake in the English class.上英语课时他错误地把单词写成了“fell”。by accident表示“偶然地”。如：I met my old neighbour in the park by accident/chance yesterday.昨天我偶然在公园碰到了老邻居。2.The tea trade from China to Western countries took place in the 19th century.从中国到西方的茶贸易是从十九世纪开始的。in the 19th century在19世纪in the+序数词+century表示“世纪”。take place 表示“发生、举行、举办”，一般指非偶然性事件的“发生”，即这种事件的发生一定有某种原因或事先的安排。如：Great changes have taken place in our hometown during the past ten years.我们的家乡在过去十年发生了巨大的变化。The Olympic Games of 2016 will take place in Rio de Janeiro.2016年奥运会将在里约热内卢举办。take place与happen的区别：（1）take place为稍正式用语。一般指非偶然性事件的“发生”，即这种事件的发生一定有某种原因或事先的安排。除“发生”外，常翻译为“进行、举行、开展”。如：The celebration ceremony takes place in July each year.庆祝典礼在每年七月举行。（2）happen作“发生、碰巧”解，一般用于偶然或突发性事件。如：What happened to you?你出什么事了？I happened to see him on my way home.= It happened that I saw him on my way home.我在回家的路上碰巧看见了他。3.without doubt 毫无疑问如：He knows the truth without doubt.他毫无疑问知道事实真相。Step 2 小结训练(B)1.That child broke his leg _when he was climbing the mountain. A.by mistakeB.by accidentC.by chance(A)2.What_ to you?Great changes_there so that I couldnt find my house.A. happened; took place B. took place; happenedC. happened; happened(A)3. The teacher called me “Li Lei” time after time_ .A.by mistakeB.by accidentC.by chance环节说明：学生进一步巩固对take place,mistake,accident等的理解和运用。Step 3 问题探究1.Great changes have taken_ in Suzhou in _years.【解析】答案是：place，recent。take place 意为“发生、举行、举办”，根据句意。2.It _(report) that you got a lot of awards.A.reports B.is reported C.reported【解析】答案是B。据报道的意思。3.When did he come back last night?He_ back _10 oclock.A.came;untilB.didnt come;untilC.came;till【解析】答案是B。notuntil 直到才。4.The tea you (make) (bring) to me to(drink).【解析】答案是made，was brought,drink。句意为：你泡的茶被拿给我喝了。5. _ (sudden) the boy _(fall) into the cold Changjiang River.【解析】答案是Suddenly,fell。sudden 是形容词，这里要用副词，fall的过去式是fell。6.Now Li Na is seen as a _（nation） hero in China.【解析】答案是national。national形容词，意为“国际的”。7._（with） doubt，China is developing fast now.【解析】答案是Without。without doubt意为“毫无疑问”。8.A rabbit_ the hole and couldnt come out.A.f