1、unit 3 computers 一、 重點(diǎn)單詞order n.1.訂購(gòu)2.命令 v命令 compare 比較 monitor 1.顯示器 2.班長(zhǎng) speaker n.1.揚(yáng)聲器 2.演講家-speak main unit 主機(jī) keyboard 鍵盤(pán) mouse 1.鼠標(biāo)(pl: mouses) 2.老鼠（pl: mice） type v.打字 n.類(lèi)型 brain 腦 control v&n.控制-controller n.控制者 expensive 昂貴的 tiny 極小的 depend v.依賴-dependent adj依賴的 speed速度 operate v.操作-operat

2、ion n,操作，手術(shù)railway 鐵路系統(tǒng) company 公司 price 價(jià)格 total 總額 inch 英寸 sell(sold,sold) 出售 calculate v.計(jì)算-calculator n.計(jì)算器-calculation n.計(jì)算popular adj.流行的-popularity n.流行i 根據(jù)題意和括號(hào)內(nèi)的提示，填寫(xiě)句子所缺的單詞。1. we move a _ (鼠標(biāo)) to control the computer.2. the _ (顯示器) shows words and pictures.3. we heard the sound from these

3、_(揚(yáng)聲器).4. when you called me, i was _(操作) a machine.5. we use _ (鍵盤(pán)) for typing.6. listen to a woman making a phone _ (訂貨)7. we can _ (比較) things by using the comparative.8. computers can _ (計(jì)算) at a faster speed.ii 根據(jù)所給首字母提示，填寫(xiě)句子所缺的單詞。9. we cant be d_ our parents all the time.10. can you teach me h

4、ow to o_ the machine.11. use your b_ , then youll have an idea.12. we can also use typewrites for t_ in information.13. we saw a cat catching some m_running in the street.14. k_ are used to type in information.15. maybe there are many t_ computers in our house, but we cant find them easily.16. meime

5、i was the first to reach the top of the mountain because she could run at a very fast s_. 二、reading部分語(yǔ)言點(diǎn)1. compare v 比較compare. with. 把.和.比較compare. to. :把.比作.dont compare my daughter with others.he compared the little girl to a cat.2.order n.訂貨，訂購(gòu)the company received a large order for bike. v.訂購(gòu)i o

6、rdered a hotel for you. v.命令 order sb to do sthhe ordered us to stand outside.3.seem 似乎是，好像，仿佛常見(jiàn)用法：seem+adj seem to do it seems that 句子the book seems quite interesting.it seems to rain.it seems that you are right.4.be short of 缺少most children are short of sleep.5.in the 1940s :在20世紀(jì)40年代英語(yǔ)中，表示某一年代用介詞

7、in，在整十年后加“s”或“s”，前面加定冠詞the in the 1920s =in the 1920s 在20世紀(jì)20年代 in the 1880s 在19世紀(jì)80年代區(qū)分： in the 1880s 在19世紀(jì)80年代 in 1880 在1880年6. be unaware of: 沒(méi)有意識(shí)的.the boy is unaware of the danger.反義詞：be aware of:有意識(shí)的.=realize, know about n.awareness n 意識(shí)7.depend v 依賴，依靠depend on 依靠，依賴=be dependent on=rely onall

8、 the living thing depend on the sun.擴(kuò)展：dependent adj 依賴的 dependence n 依賴 independent adj 獨(dú)立的； independence 獨(dú)立 good health depends on good food。8.do with處理what to do with sth=how to deal with sth怎么處理.或what will you do with sth=how will you deal with sthwhat will you do with my bike ?9.use sth to do s

9、th=use sth for doing sth 使用某物去做某事回顧：used to 過(guò)去常常 be used to do sth:被用來(lái)做某事； be used to doing sth. 習(xí)慣做某事10.in addition 除此之外，而且 常謂語(yǔ)句子開(kāi)頭用逗號(hào)隔開(kāi)children usually have a lot of homework to do at weekends. in addition, they have to practise the piano.in addition, the hotel provides free breakfast.擴(kuò)展：in additi

10、on to sth/doingin addition to english, they have to study a second foreign language.in addition to swimming in the sea, we played volleyball on the beach.11.operate v 操縱 ； 做手術(shù) operate on sb 給.做手術(shù)can you show me how to operate the machine.operation n. 手術(shù)，操作 operator n 操作者h(yuǎn)is mother need an operation

11、at once. 12.be able to do sth 可以去做某事 be unbale to do sth 拓展： be able to 與can 的區(qū)別 be able to 只具有做某件事的能力， 具有人稱(chēng)時(shí)態(tài)的變化 can 泛指一般的能力，只有一般現(xiàn)在時(shí)和過(guò)去時(shí)的變化 13.be good at doing.擅長(zhǎng)做某事 be better at doing sth 更擅長(zhǎng)做某事i 選出可以替換劃線部分的最佳選項(xiàng)。1. the words in the letter are so tiny. that i cant see them clearly.a. big b. small c

12、 nice d. bad 2. can you tell me how to operate this new recorder?a. make something work b. make something stop c. make something grow d. make something continue3. you are more dependent on computers than you realize.a. allow b. understand c. decide d. want 4. when you want to answer the question, yo

13、u can raise your hand.a. put up b. put down c. take up d. take up5. some young people always depend on their parents.a. help b. need help from c. leave d. live with ii 詞形填空/選擇填空：1. she always makes me _ (help) her.2. in addition to _ (sing), she also likes dancing.3. what _ (happen) to you yesterday

14、?4. mary is better at _ (speak) than tom.5. we can use this key _ (open) that door.6. dont make noises! my father is working _ (as/on/out) writing.7. you are so clever, you can work _ (as/ on/ out) such a difficult problem.8. i have _ to do now, i am free. (something/ anything/ nothing)9. she is abl

15、e to _ (become) a very successful woman like you.10. you seem very _ (happy) today.11. you should run _ (in/ on/at) a faster speed to catch up with him.12. i can do many things like _ (sing) and dancing.三、 形容詞的比較級(jí)和最高級(jí)一、形容詞常修飾名詞，放在名詞前，形容詞也可放在系動(dòng)詞be(am, is, are)，look, sound, seem, taste, smell, feel等后面

16、，（副詞常用來(lái)修飾動(dòng)詞，例如：talk quietly, walk quickly, write carefully 。）二、形容詞的比較級(jí)和最高級(jí)的構(gòu)成 1單音節(jié)詞和少數(shù)雙音節(jié)詞的比較級(jí)和最高級(jí)的構(gòu)成情況構(gòu)成方式原級(jí)比較級(jí)最高級(jí)一般情況加-er或-estnewlongnewernewest以e 結(jié)尾的詞加-r或-stfinelatefinerfinest以“輔音+y” 結(jié)尾的詞變y為i再加-er 或-estearlyhappyearlierearliest重讀閉音節(jié)的詞末尾只有一個(gè)輔音字母先雙寫(xiě)輔音字母，再加-er或-esthotthinfathotterhottest2 多音節(jié)詞和部分雙音

17、節(jié)詞在其前面加more或 most。如： 原級(jí) 比較級(jí) 最高級(jí) useful difficult delicious3有幾個(gè)形容詞的比較級(jí)和最高級(jí)屬于不規(guī)則變化。 原級(jí) 比較級(jí) 最高級(jí) good/well better best bad/ill worse worst many/much more most little less least far farther/further farthest/furthest old older/elderoldest/eldest練習(xí)：寫(xiě)出下列形容詞的比較級(jí)和最高級(jí) 1. strong_ _ 2. busy _ _ 3. big _ _ 4. pop

18、ular_ _ 5. fast_ _ 6. wide _ _（2） 形容詞比較級(jí)的用法 （1）表示“a比b更加”時(shí)，用“a+be+形容詞比較級(jí)+than+b”(2)”比較級(jí)+and+比較級(jí)”表示“越來(lái)越” china is becoming stronger and stronger.(3)“the+比較級(jí)，the+比較級(jí)”表示“越，就越”，表示一方的程度隨著另一方的變化。 the more careful you are, the fewer mistakes youll make. (4)表示“兩者之間最的一個(gè)”時(shí)，常用“the+比較級(jí)”結(jié)構(gòu)。 mary is the taller of

19、the two.注意: 有of the two 短語(yǔ)時(shí)要用the + 比較級(jí) (5)修飾比較級(jí)常用的詞和短語(yǔ)有：far/much(得多）, even （甚至）,any,等 he is much stronger than you.他比你強(qiáng)壯多了。 are you feeling any better today?你今天感覺(jué)好多了嗎？ i feel even worse now. 我現(xiàn)在感覺(jué)更糟糕了。（3） 形容詞最高級(jí)用法（1)表三個(gè)或三個(gè)以上人或事物進(jìn)行比較通常用以下詞：in our class, in the world, of the three (2)最高級(jí)前一般加定冠詞the,但當(dāng)形

20、容詞最高級(jí)前有物主代詞、名詞所有格修飾詞時(shí)，則不用the this is my busiest day. the changjiang river in chinas longest river. (3)表示“最的之一”時(shí)，用“one of+the +最高級(jí)+名詞復(fù)數(shù)” jay chou is one of the most popular singers. (4)最高級(jí)前可加序數(shù)詞 the yellow river is the second longest river in china.黃河是中國(guó)第二大河。 （四）形容詞比較級(jí)和最高級(jí)之間的互換 最高級(jí)可以用比較級(jí)形式表達(dá)：（1）比較級(jí)+t

21、han any other+單數(shù)名詞 （2）比較級(jí)+than the other+復(fù)數(shù)名詞拓展：同級(jí)比較 表示兩者是同等程度，用“as +形容詞原級(jí)/ 副詞 + as”句型, 意思是“ 和 一樣”。表示兩者不同程度時(shí)，用“not so (as) + 形容詞原級(jí) / 副詞 + as”的句型，意思是“不如”.它可與比較級(jí)互換。this book as good as that one.li ping is not as old as wei fang.swimming is not as interesting as fishing. = fishing is more interesting t

22、han swimming.i 單項(xiàng)選擇。 1. nowairinourtownis_thanitusedtobe.somethingmustbedonetoit. a.verygood b.muchbetter c.ratherthan d.evenworse 2.ifeel_betterthanyesterday. a.more b.very c.the d.far 3.thesickboyisgetting_daybyday. a. worse b.bad c.badly c.worst 4.-whatanimaldoyou like_?-ilikeallkindsofanimals. a

23、.better b.best c.very d.well 5.hainanisaverylargeisland.itsthesecond_ _islandinchina. a. large b.larger c.largest d.mostlarge 6.ahorseis_thanadog. a. muchheavy b. moreheavier c. muchheavier d. moreheavy7. usuallyxiaolispends_timedoinghomeworkthanxiao chendoes. a. little bless c.few d.fewer8. at last

24、 he began to cry _. a. hard and hard b. more hard and more hard c. harder and harder d. less hard and less harder 9. when spring comes the days get _ and nights _.a. short; long b. long; short c. longer; shorter d. shorter; longer 10. tiananmen square is one of squares in the world. a. large b. larg

25、er c .largest d. the largest11. this reading is not _ that one. a. as easier b. so easy than c. as easy as d. as easily as12. she told us a story. her voice sounded _. a. clearly b. sadly c. small d. sweet13. tom is _ than _ in his class.a. taller; any boys b. tallest; other boys c. taller; other bo

26、y d. taller; any other boy14. she is _ careful as i, but im _ than you.a. as; much careful b. as; much more careful c. so; more careful d. so; very careful 15. of all the subjects, english is _, i think.a. easier b. easiest c. the easiest d. the easierii 用所給形容詞的適當(dāng)形式填空，1. which lesson is _ (difficult

27、) in book 2?2. this story is _( interesting) than that one.3. that was one of _( exciting) moments in 2008.4. this kind of food must be _ ( delicious )than that one.5. beihai park is one of _ (beautiful ) parks in beijing.6. whos _(careful), tom, jim or kate?7. that is _(easy) of all.8. he is _(clev

28、er )boy in the class.9. john is _( short) than tom.10. she is _(pretty)girl in the group.11. which film is _ (interesting),this one or that one?12. this bridge is as _ ( long) as that one, but it is much _ (wide) than than one.13. i think english is one of _ (important )subjects in middle school.14.

29、 i am only one year _ (young) than you.i 選擇題單項(xiàng)選擇。1. she is _ than _ . a. busier / us b. busier / we c. more busy / us d. more busy / we2. jane is _ than betty. a. less taller b. less tallest c. less tall d. not as tall3. china is _ country in the world. a. the third largest b. the largest third c. t

30、he third large d. a third largest4. -which is _ season in beijing?-i think its autumn.a. good b. better c. best d. the best5- which is_ , the sun, the moon or the earth?- of course, the moon is.a. small b. smaller c. smallest d. the smallest6. the air in beijing is getting much _ now than a few year

31、s ago.a. clean b. cleaner c. cleanest d. the cleanest7. mobile phones are very popular now and they are _ than before.a. cheap b. cheaper c. cheapest d. the cheapest8i study english as_as my brother.a. hard b. harder c. hardest9. which is _ , a bicycle or a computer?a. expensive b. more expensive c.

32、 the most expensive10. the yellow river is one of _rivers in china. a long b longer c the longest11. she is _of the two. a. the cleverest b. the cleverer c. the clever d. cleverest12. wang ping is as _ as wu dong. a. tall b. taller c. tallest d. the tallest ( ) 38. a. take b. borrow c. forget d. rem

33、ember( ) 39. a. but b. or c. and d. yet( ) 40. a. however b. so c. because d. thoughi 完成句子。1. 我父親在一家公司當(dāng)經(jīng)理。my father _ _ a manager in a company.2. 那個(gè)人以很快的速度在街上駕車(chē)行駛。the man is driving a car _ _ _ _ _ in the street.3. 將來(lái)它們會(huì)發(fā)生什么呢？what will _ _ them in the future?4. 在18世紀(jì)90年代，他還只是個(gè)學(xué)生。_ _ _, he was still

34、a student.5. 除了唱歌，跳舞也是她的愛(ài)好。_ _ _ singing, dancing is also her hobby.6. 你可以用這只筆來(lái)完成這篇文章。you can _ this pen _ _ this article.7. lucy 比lily更擅長(zhǎng)畫(huà)畫(huà)。lucy is _ _ drawing than lily.8. 抱歉，他沒(méi)有意識(shí)到你在這兒。im sorry, he was _ that you were here.四、完形與閱讀訓(xùn)練 閱讀理解1one day in summer, little jack was playing on the beach wit

35、h his father. suddenly, he saw a little tortoise moving slowly on the sand. he started to look at it carefully and began to touch it with his hand. to his surprise, the tortoise stopped moving. it pulled in its head and legs, and closed its shell tightly. he touched it again but the tortoise didnt m

36、ove at all. jack became angry. he used a stick and tried to force (強(qiáng)迫) it to open.” when his father saw this, he stopped him and said,“no, son, you mustnt do that! you will kill the tortoise. you wont get it open with a stick. jack was curious, and asked, “why?” “just wait and see,”his father replie

37、d. then he picked up the tortoise and put it in a bag. after they came back home, the father took the tortoise out of the bag. he put it near the fireplace ( 壁 爐). after a few minutes, the tortoise began to move a little. then the tortoise stretched out (伸出) its head and legs. at last, the tortoise

38、began to crawl across the room. how excited jack was when he saw this! “son, now you see,” said his father, “sometimes, you cant force someone to do things he doesnt like. but if you get him warm first, he will do what you want him to do.”1. one day jack and his father were playing_. a. in the zoo b

39、. on the hill c. on the beach d. in the garden2. jack tried to use a stick to _ the tortoise. a. feed b. open c. close d. save3. the father picked up the tortoise and _. a. cooked it b. threw it into the sea c. put it in a bag d. killed it4. after the tortoise got _ near the fireplace, it began to m

40、ove a little. a. warm b. hungry c. thirsty d. cool5. the story tells us that _. a. people will do things we want them to do b. people wont do things we want them to do c. we can force people to do things they dont like d. we cant force people to do things they dont like閱讀理解2one day a poor man was cu

41、tting a big piece of wood near a river. suddenly his old axe fell into the water. he felt very sad because he lost his only axe. then all at once a beautiful fairy came out and asked the man what was the matter. “i have lost my axe,” he said. “it fell into the water when i was cutting the wood.” the

42、 fairy showed him a gold axe and asked, “is this yours?” “no,” said the man. the fairy then showed him a silver axe and asked again, “is this yours?” “no,” again answered the man. then she showed him the old axe. “yes, that is mine,” called out the happy man. “i know that well enough,” said the fair

43、y. “i only wanted to see if you would tell me the truth, and now ill give you the gold axe and the silver axe besides your own one.” 1. one day when the man was cutting something, _. a. he fell into the water b. his axe dropped into the river c. his axe fell into a lake d. he saw a beautiful fairy 2

44、. the man was sad because _. a. he was poor and had no other axes b. he could not go on working c. he liked his axe very much d. his axe was a gold axe 3. the fairy gave him a gold axe and a silver axe but he didnt take them, because he _. a. did not like them b. did not know they were made of gold

45、and silver c. was very rich d. knew these axes were not his 4. at the end of the story the man had _. a. only one axe b. two axes c. three axes d. many axes 5. the fairy helped the man because he was _ man. a. an old b. a young c. a poor d. an honest閱讀理解3many students in china are learning english.

46、some of these students are small children. others are teenagers(十幾歲的青少年). many are adults. some learn at school, others study by themselves. a few learn english language (語(yǔ)言)over the radio, on television, or in films. one must work hard to learn another language. why do all these people want to lear

47、n english? it is difficult to answer that question. many boys and girls learn english at school because it is one of their subjects. they study their own language and maths and english . some people learn english because it is useful for their work. many people often learn english for their higher s

48、tudies, because at college or university(大學(xué)) some of their books are in english. other people learn english because they want to read newspaper and magazines in english.() 1. many students in china are learning english, arent they? _.a. no, they arent b. no, they are c. yes, they ared. yes, they arent() 2. if one wants to learn another language well, he must _.a. learn at schoolb. study by himself c. work