【志鸿优化设计】九年级英语全册 Unit 9 When was it invented？Selfcheck教案 人教新目标版(1).doc

unit 9when was it invented?self check 教学目标1掌握一般过去时被动语态的结构及用法。2提高读、写能力。3通过用被动语态表达的发明和创造的事物来认识人类的科技进步， 培养学生的创新能力， 从而达到情感、态度、价值观的统一。教学重点1继续操练一般过去时的被动结构及用法。2能用所提供的信息写短文。3进一步掌握本单元所学生词及短语的用法。教学难点通过对一般过去时被动语态的掌握进一步了解和掌握其他时态被动语态的表达。教学过程step 1leadin老师展示一些图片， 如：computer, radio, light bulb, car, bicycle, tv, tea等。然后， 教师让学生用下面的句型描述上面的图画。it gives me.it can change the style of.it can improve.说明：通过图片和句型， 既激发了学生的口语练习的积极性， 又让学生在轻松好奇的氛围中认识了人类的科技进步。step 2self check 11让学生用所给单词进行填空， 检查答案。最后老师核对答案(1.sweet2.salty3.sour4.crispy)。2通过做题， 巩固学生对词汇的用法。3让学生用这些单词分别造句， 以加深理解。step 3self check 21首先让学生看图画， 帮助学生回答“when were they invented？”abacus：in the sixth century in chinaumbrella：about 4000 years ago in assyria, china and egyptbinoculars：1854 by ignatio porro in italycamera：1827 by joseph nicephore niepce who took the first picturebicycle：1882 in england2用以上信息， 让学生根据如下句子进行两两对话。awhat is it？bits an abacus/umbrella/a pair of binoculars/a camera/bicycle.bits used for.aoh, thats cool！who was it invented by？bit was invented by.说明：通过该活动， 进一步掌握一般过去时的被动语态， 并了解和掌握其他时态的被动语态的表达。3根据对话内容， 任选一幅图画进行书写。最后让几位学生读出他们写的内容。step 4just for fun!1由3名同学运用对话在课堂上表演。2让学生分析漫画内容。说明：口语和理解训练。step 5homework根据section b3b所给内容写一篇大约60个词的文章， 介绍飞盘产生的过程。 【话题链接】when was the first bank opened?ever since coins first appeared, some 2500 years ago, people have traded in money.the word“bank”comes from the italian banco, meaning“bench”in the middle ages, moneychangers and merchants did business from benches in the marketplace.the first big national bank was the bank of england, which was started in 1694.when did frozen foods first appear?before people had freezers(冰箱), they stored winter ice in stone ice houses.the romans made ice cream.a method of making artificial(人工的)ice was invented in 1834 by jacob perkins.by the 1850s refrigerated(冷冻的)ships were carrying frozen meat across the oceans.people in europe could eat meat that came from australia or america.frozen foods, such as frozen fish and vegetables, were introduced in the 1920s, when people began to buy freezers for their homes.【双语科技】square watermelon, grown in boxes方形西瓜问世japan will export 600 square watermelons to european and north american countries for exhibition.each of the square watermelons has gone through examination and costs 13 000 yen(rmb 920)to 14 000 yen(rmb 990)日本将向欧美等国运送600个方形西瓜， 主要用于陈列展览。这些方形西瓜都经严格检验， 售价从1.3万日元(920元)到1.4万日元(990元)不等。a good robot doctor 医术高超的机器人医生you will see a new doctor at a hospital near london.在伦敦附近的一家医院你可以看到一个新医生。he can work 24 hours a day and never feels tired.he is dr.robot.他每天工作24小时，不会感到累。他就是robot医生。dr.robot is really quite human.if you give an answer“no.”to the question“is your father alive？”， dr.robot will say, “i am sorry to hear that.”这位医生富有情感， 如果他问你“你爸爸还活着吗？”这个问题时你给出否定回答， 他会说， “很抱歉听到这个。”【幽默英语】a womans answera husband said to his wife, “why did god create women to be beautiful but foolish？”“well, ”his wife answered at once, “the reason is very easy.god made us beautiful so men would love us; god made us foolish so we would marry them.”妇女的回答一位丈夫对他的妻子说：“为什么上帝把妇女创造得如此美丽却又愚蠢呢？”“噢， ”他的妻子立刻回答道， “原因很简单。上帝使我们如此美丽， 男人才会爱我们。上帝使我们如此愚蠢， 我们才会嫁给他们。”【励志英语】1sometimes one pays most for the things one gets for nothing.有时候一个人为不花钱得到的东西付出的代价最高。2i might say that success is won by three things：first, effort; second, more effort; third, still more effort.可以说成功要靠三件事才能赢得：努力， 努力， 再努力。3genius only means hardworking all ones life.天才只意味着终身不懈的努力。4will, work and wait are the pyramidal cornerstones for success.意志、工作和等待是成功的金字塔的基石。5all the splendor in the world is not worth a good friend.人世间所有的荣华富贵不如一个好朋友。6a great man is always willing to be little.伟大的人物总是愿意当小人物。7patience is bitter, but its fruit is sweet.忍耐是痛苦的， 但它的果实是甜蜜的。8early to bed and early to rise makes a man healthy, wealthy, and wise.早睡早起使人健康、富裕又聪明。9life is just a series of trying to make up your mind.生活只是由一系列下决心的努力所构成。10all human wisdom is summed up in two wordswait and hope.人类所有的智慧可以归结为两个词等待和希望。【智力英语】挑战竞赛题1where does afternoon come before morning？_.2which two pictures are the same？_.a1, 4b3, 4c2, 5d1, 33tom was very poor when he was young, but now he is very rich.so every_dog_has_its_day.what does the underlined phrase mean？_.a狗也有自己的节日b凡人皆有得意时c穷人也会变富有d富人很快乐4the numbers are very regular, but one is missing.please find the mis