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1、8A Unit3 computers 重点单词和短语 1 Order n 订货；订购 C Place an order 下一个订单 He placed an order for ten computers.May I take your order now?n 秩序 U 短语：keep order 维持秩序 in good order 整齐 in bad order 不整齐 n 命令 C Soldiers should obey the orders.v 命令 order sb to do sth 命令某人去做某事 Miss Li orders him (clean)the room.2 co
2、mpare v 比较；对比 Compare A with B 把 A 和 B 作比较 He compared this mobile phone with that one in price.Compare these two cities,and you will see which one is better.Compare-comparison n 比较 Make a comparison between He made a (compare)between Shenzhen and Hongkong.3 type v 打字 He can type 65 words a minutes.
3、He has to finish (type)in 5 minutes.4 control v 控制 n 控制 You should not eat so much.You have to control your weight.Out of control 失控 The plane was out of control.It rushed into the sea at last.5 expensive adj 昂贵的 This computer is more expensive than that one.6 tiny adj 极小的，微小的 7 depend v.依靠 When we
4、grou up,we cant depend on our parents any more.We depend on computers much in our daily life.8 speed n 速度 The car is running at a hight speed on the highway.9 operate vt 操作；控制 vi 动手术 operation n 手术 do an operation on 给。做手术 Can you operate this machine?The doctor is operating on his leg.10 railway n
5、铁路系统 railway station 火车站 I got a job on the railways.11 ompany n 公司 IBM is a big computer company.12 price n 价格 What is the pricce of this mobile phone?At a price 以很高的代价 His success comes at a price.13 total n 合计；总额 in total 总共 The total comes to 68 yuan.We need 35 chairs in total.14 inch n 英寸 1 inc
6、h=25.44mm This laptop is 10 inches.15 sellsoldsold v 出售；售卖 We sold 10 computers of this type yesterday.16 pupular adj 受欢迎的 This type of computers is more popular than that one.work as be unaware of depend on more than do with use sth to do sth at a faster speed in addition grand total look forward t
7、o operate railways produce new ideas be better at doing have nothing to do change our lives 语法：形容词的比较级和最高级 The comparative and the superlative of adjectives【思考并翻译】1.我的书比你的书更有趣。2.Tom 是三兄弟中最聪明的一个。要能准确说出以上句子，我们需要具备以下基本能力：句型结构：主系表 My book is interesting.“比”：than “更有趣”interestingmore interesting My book
8、is more interesting.The answer1:My book is more interesting than yours.类似地，主系表：Tom is clever.“最聪明”clever the cleverestTom is the cleverest.“三兄弟中”of the three brothers The answer2:Tom is the cleverest of the three brothers.常考知识点一:形容词的比较级和最高级的构成（1）.以不发音的 e 结尾，直接加-r 或-st:nicenicernicest largelargerlarg
9、est （2）.以辅字母+y 结尾的，变 y 为 i，再加-er 或-est:easyeasiereasiest happyhappierhappiest （3）.以“辅元辅”结尾的，双写末尾字母，再加-er 或-est:bigbiggerbiggest 常见的还有：thin,fat,wet,red,sad hothotterhottest （4）.不规则变化：goodbetterbest many/muchmoremost (好坏多少远老)badworseworst little(少)lessleast farfartherfarthest farfarther/furtherfarthes
10、t/furthest oldolder/elderoldest/eldest （5）.其他较短的单词，直接在词尾加-er 或-est。smallsmaller shortshorter （6）.对于较长的单词，在其前加 more，most 即可。popularmore popularthe most popular deliciousmore deliciousthe most delicious 【中考题】1.This T-shirt is not large enough.Please show me a _one.A.large B.larger C.largest 2.She is t
11、he _(good)student in her class.注意：下列词为易错，fewfewer newnewernewest clevercleverer tiredmore tired pleasedmore pleased 常考知识点二:含有比较级的句型结构 1)A is.than B:A 比 B 更.The earth is bigger than the moon.2)A do sth.than B:A比B更.He works harder than us.【中考题】China has become much_(strong)than before.We are proud of
12、her.3)Which/Who is.,A or B?“A 和 B 哪个/谁更.?”4).and.“越来越.”When spring comes,the days are getting longer and longer.5)more and more.“越来越.”The song is becoming more and more popular.【中考题】Many people prefer travel by plane.They think a plane is faster and _(safe)than a train.6)the.,the.“越.就越.”The busier h
13、e is,the happier he feels.The more you have,the more you want.【中考题】-Can you tell me why you learn English so well?-Its very simple._you work,_grades you will get.A.The harder,the best B.The hard,the better C.Harder,Better D.The harder,the better 常考知识点三：比较级的修饰语 当强调比较级的程度时，可以在形容词(或副词)的前面使用 much,a litt
14、le,a lot,even,still等。注意：quiet,so,very,enough 这些词后面不能接比较级。只能接原级。It is much colder today than yesterday.My apple is a little bigger than yours.【中考题】The first computers were built in the 1940s.They were even _(big)than cars.使用形容词比较级时的三个注意事项(易错点)：1)比较的对象前后要保持一致。()The population of Shanghai is larger tha
15、n that of Beijing.()The population of Shanghai is larger than Beijing.2)避免将主语包含在比较对象中。()China is bigger than any country in Africa.()China is bigger than any other country in Africa.3)避免重复使用比较级：()He is cleverer than his brother.()He is more cleverer than his brother.【中考题】Tom is _(tall)than any other
16、 players in the school team.A.tall B.taller C.tallest D.more taller 常考知识点四：形容词最高级的用法 形容词最高级用于三者及以上的比较，表示在一定范围内“最.”。范围通常用 in/of/among.来表达。形容词的常考句型：1)A is the.in.He is the tallest in his class.或 A is the.of.He is the tallest of the three boys.或 A is the.among.He is the tallest among the three boys.【中考
17、题】Breakfast is _meal of the day.It provides us with energy after a long night without food.A.important B.more important C.the most important D.very important 2)A is one of the 最高级+复数名词 A 是最.的之一。Jay Chou is one of the most popular singers in Taiwan.China is one of the largest countries in the world.【
18、中考题】-What do you think of the film you saw yesterday?-Oh!Its one of _films Ive ever seen.A.interesting B.more interesting C.most interesting D.the most interesting 3)A is the first 最高级+复数名词 A 是第一最.的.The Changjiang River is the first longest river in our country.【中考题】印度是世界上第二人口大国。India has the_ _ population in the world.4)Which/Who is the.,A,B or C?A,B 和 C，哪个/谁最.?Which is the biggest,the sun,the earth or the moon?Who is the thinnest,Kate,Tom or Mike?