八年级u4导学案.docx

仁爱版英语八年级下Unit 4 Our World导学案 共7课时Topic1 we share the world with plants and animals 一.重点词语1. share…with与 共享2. in the countryside/country 在乡村3. beauties of nature 自然风光4. play with玩弄，玩耍5. in danger在危险之中6. feed on 以……为食7. think about 考虑，思考8. enjoy nature 享受自然9. the answer to the question 问题的答案10. plenty of 许多11. in the daytime 白天12. summer vacation 暑假13. thousands of 成千上万14. in fact 事实上15. find out查明，发现16. deep/big enough 足够的深/大17. wild animals 野生动物二、语法学习(一)形容词的比较级和最高级的构成1 .规则变化：(1) 一般在词尾加一er 或一est.如：fresh-fresher-freshest.(2)以字母e结尾的形容词，加r或st,如：late—later—latest.(3)以重读闭音节结尾的词，词尾只有一个辅音字母时，应双写这一辅音字母，再加 er 或 est.如：big—bigger—biggest.(4)以辅音字母+y结尾的双音节词，先改y为i，再加er或est.如： happy—happier—happiest.(5)部分双音节词和多音节词前面加more或most构成比较级或最高级。

careful—more careful—most careful,beautiful—more eautiful—most beautiful.2 .不规则变化：good/well—better—best, little—less—least, many/much—more—most, bad/ill—worse—worst, far—farther/further—farthest/furthest.(二)形容词的比较级和最高级的用法1 .比较级AB,经常与than搭配，或给出比较的二个内容可用 much, even 和 a little 修饰.2 .三者或三者以上比较用最高级，一般给出比较范围.如：of (in)+…1)例句：①I'm happier than you.我比你更快乐②Plants are much more beautiful than animals.(2)例句：①The boy is the tallest in my class.这个男孩是我们班最高的②Lesson Two is the most important of all.五．课堂练习()1.I think science is than Japanese.A. much important B. importantC. much more important D. more much important()2.This pencil is___ than that one.A. longest B. long C. longer D. as long()3.These children are this year than they were last year.A. more tall B. more taller C. very taller D. much taller()4.It was very hot yesterday, but it is___ today.A. even hotter B. more hotter C. much more hot D. much hot()5.Tom is stronger than ___ in his class.A. any other boy B. any boys C. any boy D. other boy()6.At last he began to cry ___.A. hard and hard B. more hard and more hardC. harder and harder D. less hard and less harder()7.___ he read the book, he got in it.A.The more; the more interesting B. The less; the more interestingC. The more; the more interested D. More; more interested 二、正确形式填空1 .Tigers are (danger) than elephants.2 .Is Huanghe one of the longest (river) in the world?3. This skirt is (nice) than that one.4. Is this bag (heavy) than that one?5. Mount Qomolangma is (high) mount in the world.6. The Yangtze River is (long) river in China.7. There are (few) cows on my farm than those on your farm.8. Which do you like (good), cats or dogs?9. Which do you like (good), cats pigs or dogs?10.I don’t think this question is (difficult) thanthat one. It’s (easy) of these questions.Topic 2 What can robots do for us?一.重点词语1 .take the place of 代替，取代2.instead of 代替，而不是 2 .lose one' s job 失业 4.get information from 从…处获得信息5 .mistake…for…把 错当6.seem to do好象，似乎7 .call for要求 8.wake sb. up将某人叫醒9 .use sth. for /doing sth.利用某物做某事10.spend…on…在 上花费时间或金钱 spend…(in)doing花时间做某事11.be sure of 确信 12.these days 现在，目前13.look up 查阅 14.pay attention to 注意，专心15.begin with 以 开始 16.and son on 等等17.ask (sb.)for sth.向 要 二.语法学习be sure结构表示肯定和不肯定。

be sure一般用来表示肯定，be not sure (whether/if)表示不肯定be sure 后面可以跟不定式和宾语从句跟不定式一般译为“一定……”，跟宾语从句，译为“确信……”如：We are sure to repair the TV well.我们一定修好这台电视机I’m sure you can finish your work.我确信你能完成你的工作Are you sure whether(if)he switched the computer on?你确信他打开还是没有打开电脑？三．课堂练习一、单项选择()1.—Kangkang, can I borrow your bike?— A.I’d love to.B.Thank you. C.Sure. D.You’re welcome.()2.—Excuse me, Maria. These are new words. Can you help me look in the dictionary? —Certainly.A.it up B.up it C.up them D.them up( )3.I was doing my homework my father was readingnewspapers.A.what B.whether C.that D.while( )4.—We can use to chat online.—Really? Could you please show me it?A.what to do B.how to do C.when to do D.why to do ()5.What a good boy! He every Sunday volunteering at an oldperson’s home.A.spends B.gives C.uses D.takes( )6.—Now the air in our hometown is even than it was before.—So we must do something to stop it.A.dirty B.better C.worse D.cleaner()7.The students on the island feel excited. The boat is coming them.A.in B.from C.toward D.over()8.The poor man was walking to the house when he saw__UFO last night.A.a B.an C.the D./()9.Pens are helpful to humans. Students use pens for .A.write B.writes C.wrote D.writing( )10.I think robots can humans in some places.A.take place B.take place of C.take the place of D.instead of 二、情景交际选择方框中的句子完成对话，其中有两项多余。

Kangkang:Hi, Michael. How often do you use the Internet?Michael: Very often.1Kangkang:I never use the Internet.2Michael: A lot of things. I often listen to music.3for us?things. We can find jobs. 4 But we it.Kangkang:Are you sure the Internet is good Michael: 14 It can help us do a lot ofsome information about places and shouldn’t spend too much time onA.Sometimes I also play games and find some information abo。