九上第课时.docx

精品名师归纳总结Unit 9 When was it invented. New wordsLearning goals:In this class, we will learn how to read the new words in the unit and practice the use of some words. We will make a competition between the groups to encourage the students to learn better and make sure most students can understand and grasp the words learnt.设计意图：目标明确，并列出了单词教案的过程与方法Step I Learn to read the words on Page 152-1531. First, get the students to try to read the new words in this unit according to the phonetics given by themselves and underline the difficulties they meet.2. Then, give them a few minutes to discuss and deal with the problems they have in their pronunciation in pairs or groups.3. Next,get one student from each group to read the new words to the class, the others listen and try to find out something wrong and correct them .If necessary,the teacher should correct the mistakes himself or herself.4. Last, get the students to read the words twice after the tape . Thengive them a few minutes to read all the words quickly to consolidate the pronunciation.设计意图：活动设计以同学的学为中心，通过同学的自学自究，合作探究的方式学习，老师以点播为主，充分表达了同学课堂中的主体性，老师的主导性。

Step II Learn to remember words on Page152-P1531. Show the Ss pictures to help them to remember the words.可编辑资料 -- -- -- 欢迎下载精品名师归纳总结Calculatorscooplight bulbmicrowave ovenbatteryslipperChefbeverage可编辑资料 -- -- -- 欢迎下载精品名师归纳总结Bushflying diskLemonabacusBinocularscourt设计意图：图片教案形象直观，形义结合有利于同学记忆把握2. Remember the words by matching itself with its meaning.A. crisp and good to eatB. everywhere in the world C. by chanceD. very far back in history E. an old famous story F. continue to existG. one hundred years H. inside a buildingI.to separate somethingJ. a hard shiny substance K. in a lower place L. an organization1. metal 2. below 3. divide4. crispy5. worldwide6. remain7. century 8.indoors 9. ancient10. legend 11. association 12. by accidentKeys:1.J 2.K 3.I 4.A5.B 6.F 7.G 8.H 9.D 10.E11.L 12.C可编辑资料 -- -- -- 欢迎下载精品名师归纳总结设计意图：训练了同学用英语说明英语的才能，做到英语单词学习可编辑资料 -- -- -- 欢迎下载精品名师归纳总结的融会贯穿。

3. Remember the words by conversion转〔换〕 、complex words （合成）可编辑资料 -- -- -- 欢迎下载精品名师归纳总结and derivative（派生） .1〕popularity〔n.〕--popular〔adj.〕2〕adjustable〔adj.〕--adjustment〔n.〕 salty 〔adj.〕--salt〔n.〕 pleasant 〔adj.〕--pleasure〔n.〕 active〔adj.〕--action〔n.〕wooden 〔adj.〕--wood〔n.〕 3〕create〔v.〕-- creative〔adj.〕4〕aim〔n.〕— aim〔v.〕mixture 〔n.〕--mix 〔v.〕taste〔n.〕--taste〔v.〕bakery 〔n.〕--bake〔v.〕 equipment〔n.〕--equip〔v.〕5〕 invent〔v.〕--inventor〔n.〕operate〔v.〕--operation〔n.〕 notice〔v.〕--notice〔n.〕produce〔v.〕--product〔n.〕 shoot〔v.〕--shot〔n.〕 guide〔v.〕--guide〔n.〕 develop〔v.〕--development〔n.〕4. Remember the words by their similar pronunciations and forms.1) heel ----peel,jeel2〕heat---beat,meat 3〕 sour---hour,our4〕pie---tie,lie 5〕throw—grow 6〕cookie—cook7〕 rank----bank 8〕basket---basketball 9〕 hoop---hood,loop10〕backboard---blackboard 11〕rise—wise5. Rememberthe words and the phrases by making sentences.1) be used for 2〕 by mistake 3〕 according to 4〕 fall into5) in this way 6〕knock into 7〕 towards 8〕sprinkle可编辑资料 -- -- -- 欢迎下载精品名师归纳总结设计意图：此种类型的记忆方法是英语学习的重要方法，有利于同学的记忆，更能丰富同学的词汇量。

Step III Consolidation of wordsGive the students a few minutes to try to memorize the words first . Then,make a competition between the groups, each group choosesone student to the Bb to make a dictation and see which group can dictate more words.设计意图：同学在利用各种有效方法识记的基础上 ,通过竞赛来鼓励同学背诵的积极性，成效会很好 Step IV Read and translate the storyInventions are important. Some inventions have even changed people’s life. After the calculators wereinvented, people can work faster than using theabacus. Because oflight bulb s, people can see more clearlyin the dark. Thanks to microwave ovens, people can cook many kinds of delicious dishes without fire. After the binoculars were invented, people can see farther and more clearly.Even though some inventions seem like small, they are very useful. Heated ice creamscoop is used for scooping really cold ice cream. Shoeswith adjustableheesl are used for changing the style of the shoesB. attery-operated slippers are used for seeing in the dark.Some were invented by mistake. Potato chips were invented by a chef called George Crum. One day, George was in a bad mood, so he cut可编辑资料 -- -- -- 欢迎下载精品名师归纳总结the potatoes very thin and cooked them for a long time until they were crispy. And he sprinkled lots of salt on them, so they were reallysalty, but the customers liked them very much.Some were invented by accident. According to an ancient Chineselegend, the emperor Shen Nong discovered tea. When he was boiling drinking water, some leaves from a nearby bushfell into the water and remai。