仁爱英语九上Unit4Topic2学案.doc

仁爱版九年级学案Unit 4 Topic 2一、知识目标【重要短语】be used for +ving 被用做……come true 实现It’s said that 据说during/in one’s life 某人一生be known as 以……（身份）而著名know/say for certain 确切知道/肯定地说all the time 一直、总是no longer=not…any longer 不再as long as 只要as far as 就……，尽……make a great contribution 对……作出巨大贡献the rest of the time 在其余地时间里at any time 在任何时候【重点句型】1.What’s it made of from?2.When/where was it made?It was invented in 1879.3.What will our future be like?I hope your dream will come true.【重要语法】1.一般过去时的被动语态谓语部分的基本形式 是 be 的过去式 was/were+及物动词的过去分词。

如：When was it made? 它是什么时候制造的？It was made in 1980.它是 1980 年制造的When was the digital camera invented?数码像机是什么时候发明的？It was invented in 1975.它是 1975 年发明的2.时间前所用介词口诀年月周前使用 in， 除此一般上下午遇到几号要用 on，某日上下晚如故午夜黄昏须用 at， 黎明用它也不错At 常用在时分前，说差要用 to 来表何时使用 past？ 分钟超过半小时二、要点讲评1. Because I’m not allowed to play computer games.因为我不可以玩电脑游戏allow “允许、准许 ”的意思常用于以下几种形式：(1) allow +n./prep 如： We can’t allow such a thing.我们不容许这种事情发生2) allow sb. to do sth 允许某人做某事 如：She allowed me to go fishing.她允许我去钓鱼3) allow +doing sth 允许做某事 如：We don’t allow smoking in the reading-room.我们不允许在阅览室吸烟。

4) be allowed to do sth 被允许做某事如：The students are allowed to play games on the play ground after school.放学后学生们被准许在操场上做游戏2. How do you say this in English? 这用英语怎么说？其意思与 What’s this in English 相同3. It’s made from wood.它用木材做的1) .be made in 在……地方制造，后接表示地点的名词2). be made of 用……制造的，表示原材料未经化学变化，仍可看得出原材料3). be made from 用……制造的，表示原材料经过化学变化，已看不出其原样4) .be made by 由（被） ……（人）制作，后接表示人的名词或代词5) .be made into 某物）被制成……(6) .be made up of 由……组成 如：⑴.The TV set is made in Japan.这台电视机是日本生产的⑵.These houses are made of stones.这些房子是由石头建造的。

⑶.Paper is made from wood.纸是木头造的⑷.Was this cake made by your mother?这蛋糕是你妈妈做的吗？⑸.Metal can be made into all kinds of things.金属可以制成各种各样的物品⑹.The medical team is made up of ten doctors.这支医疗队由 10位大夫组成4. It’s used for helping us to improve our English.它用来帮助我们提高英语水平1). be used for+ving= be used to do（被）用来做……,强调用途或作用.(2).be used as（被）作为……而用，强调被当作工具或手段来用3).be used by 被……使用，by 后跟人/物，强调使用者如:⑴.Pens are used for writing.钢笔被用来写字⑵.Wood is used to make paper.木材被用来造纸⑶.English is used as a foreign language in China.英语在中国被当作外语使用。

⑷.Recorders are often used by English teachers.英语老师经常使用录音机5. People are surprised at the rapid development of robots.人们为机器人的飞速发展感到惊讶be surprised at…表示“对……感到惊讶” 而 be surprised by…是一个被动语态形式，表示“被……所惊讶” 如：⑴.I am surprised at you.我对你的举动感到诧异⑵.The manager was surprised by what he saw on the computer.那位经理被眼前出现在电脑屏幕上的东西所惊讶6. They will no longer want to be our servants, but our masters.它们将不再愿意做我们的人，而要做我们的主人no longer（通常在动词前） ，not…any longer; not…any more（用于非正式文体中）都可表示“（过去曾 ……）现在不再……”如：⑴.She no longer lives here.⑵.She doesn’t live here any longer(或 any more).她不在这儿住了。

（过去她曾住这儿）7. This method worked well at night as long as the weather was good and the stars could be seen.在夜间只要天气晴朗，能看见星星，这种方法就能很好地发挥作用work well 有效 ； as long as 只要三、典型例解( )1.Students _____ their hair when they are at school.A.don’t allow to dye(给……染色) B.are not allowed to dyeC.aren’t allowed to dying D.aren’t allowed dying分析：B allow 跟 复 合 宾 语 的 结 构 是 allow sb. to do sth. 在被动语态中的结构是 be allowed to do sth. dye v.表示“给……染色” ，print v.表示“印刷” )2.When was _____ umbrella _____?A./; invented B.a; discovered C.an; discoveredD.the; invented分析：D invent v.发明，创造(指世间原来没有的东西), 其被动语态是 be invented; discover v.发现（世间本来就存在，后被人类所发现的东西） ，其被动语态是 be discovered; 另外伞在这里是特指。

)3.The cleaners make a great contribution to _____ the city clean.A.kept B.keeping C.keep D.be kept分析：B make contributions to+n./v-ing 意为“为……作贡献” )4.—Did you go to Jim’s birthday party?—No, I _____.A.am not invited B.wasn’t invitedC.haven’t invited D.didn’t invited分析：B 本题考查被动语态 )5.The dream of flying up into space has _____.A.come true B.come into beingC.come back D.come in分析：A 根据题意考查短语 come true 实现 )6.Do you know for _____ that it was made in 1980?A.certain B.certainly C.sure D.doubt分析：A for certain 确切地。

)7._____ you finish your homework, you can go out to play.A.As well as B.Unless C.As long as D.As far as分析：C as long as 只要……( )8.—It’s _____ that you have been to Shanghai alone.—Yes, that’s right.A.said B.reported C.know D.certain分析：A It’s said … 据说/听说 )9.Computers are very useful. For example, they can _____ sending e-mails.A.be used to B.be used with C.be used for D.be used as分析：C be used to 被用来做某事；be used for 被用来做什么；be used as 被用作；故选 C )10.—I saw Lucy go to Miss Zhang’s home just now.—Yes, she is often seen _____ Miss Zhang with her housework.A.help B.to help C.helps D.helping分析：B 主动句中 see 后的不定式作宾语补足语省去 to，但在被动句中应将 to 加上。

四、评价作业I. 根据句子意思及首字母提示补全单词1.The film “Hero” is d___________ by Zhang Yimou.2. An English scientist named Rin Wallemart c__________ the first sheep “Dolly” in July, 1996.3. Many centuries ago, people believed that they were c____________ by God.4. Cloning is a famous e______________ throughout the world.5. Edison invented more than one thousand i______________ in his life.II. 翻译。