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1、Unit 1 Friends Grammar知识精讲形容词/副词的比较级和最高级一、比较级和最高级的定义：1.比较级:表示“更”，用于人或事物之间的比较；She is shorter than I am.My book is more interesting than his.2.最高级:表示“最”，用于三个或三个以上的人或事物进行比较，最高级前要加定冠词the。He is the tallest boy in our class.This is the most expensive computer in the shop.二、比较级和最高级的构成： （1）规则变化：1 )”短adj.” -
2、er/-est单音节和部分双音节的形容词一般在词尾加-er/-est : tall-taller-tallest smart-smarter-smartest greatgreatergreatest以字母e结尾的直接在词尾加-r/-st : nice-nicer-nicest fine-finer-finest 以辅音+y 结尾的词，变y为 i，再加-er/-est: early-earlier-earliest happy-happier-happiest busy-busier-busiest 以重读闭音节的单个辅音字母结尾的词,双写辅音字母，再加-er/-est : big-bigge
3、r-biggest thin-thinner-thinnest hot-hotter-hottest 2) “长adj.” more-/most-多音节或部分双音节的形容词在原级前面加more/most : popular-more popular-most popular important-more important-most important （2）不规则变化： 原级比较级最高级good/ wellbetterbestmany/ muchmoremostbad / badly（坏地）/illworseworstlittlelessleastoldolder（年龄）/ elder(辈份
4、,长幼)oldest/ eldestfarfarther（表距离）/ further（表程度）farthest/ furthest注意：形容词前如加 less 和 least 则表示较不和最不 ，如important 重要 less important 较不重要 least important 最不重要 1、比较级基本用法：1)“比较级+than ”结构 I am taller than you. He runs faster than I.2) “ A or B” Who is slimmer, Lucy or Kitty?更多用法：3) “比较级+and+比较级”表示“越来越”。 It i
5、s getting warmer and warmer 0ur country is becoming more and more beautiful4) 表示“越，就越”，用“the+比较级，the+比较级.” The busier ,the better. The more exercise you take, the healthier you will be.5) 比较级前面可以加上much, a little, even, a lot,等词. He is much taller than I.他比我要高得多。 I jump a little higher than he. 例：Mum
6、, Im feeling even _ than yesterday. A. bad B. worse C. worst D. the worst6）“the moreof the two”表示“两个当中较的一个”The taller of the two boys is my brother.例：Of the two coats, the girl choose _ one.A.less expensive B.the most expensive C.the less expensive D.the least expensive2、最高级基本用法：1）the +最高级 +of/ in M
7、y mother is the busiest in my family Jim works (the) hardest of us. 2) A, B or C? Which do you best, blue, red or white?更多用法:3) “one of +最高级+复数名词”: He is one of the best students in our class. This is one of the most beautiful flowers in the garden.注意：在形容词最高级前有限定词时，不要定冠词the. This is her most interes
8、ting experience同时形容词最高级前要加the，但是副词最高级the可省。 run (the) fastest4) the +序数词+最高级+名词单数 能力拓展一、用所给单词的正确形式填空1Mr Blacks son has come to China for _ (far) study.2Mary was the _ (bad) singer of the three.3Actions speak _(loud) than words。4Of all the subjects, I like English _ (good).5Kangkang cooks _（carefully
9、）of the three.分层提分题组A 基础过关练二、完成句子6这个城市越来越美丽，我为她感到骄傲。Thecitybecomes_ _beautiful.Iamproudofher.7我认为刘谦是最有天赋的魔术师之一。I think Liu Qian is one of_ _ magicians.8杰克的表演比彼得更成功。Jack performed _ successfully _ Peter.9我认为那儿的音乐节目主持人选歌最细致。(choose)I think the DJs there _ _ _ _.10那家超市离火车站最近。The supermarket is the _ th
10、e train station.题组B 能力提升练一、单项选择11Could you tell me why you learn English so well?Its very simple. _ you study, _ grades you will get.AThe harder; betterBHarder; betterCHarder; the betterDThe harder; the better12The number of giant pandas is getting _ because their living areas are becoming farmland.
11、Aless and lessBlarger and largerCsmaller and smallerDmore and more13_ great fun we have _ English!Yes. I can be _ at it this way.AHow; to learn; goodBHow; learning; wellCWhat; to learn; betterDWhat; learning; better14 China is over 5,000 years old. Its one of _ countries in the world. Yes. It has a
12、much _ history than the USAAold; longBolder; longerColder; the longestDthe oldest; longer15Jimmy was very _ last year, but now he is much _ .Dont you know he has changed his unhealthy diet and lifestyle?Afatter; thinBfat; thinnerCfat; fatterDfatter; thinner16After my trip to Heilongjiang, I must say
13、 its _ there than in Suzhou.Amuch coldBmuch colderCmore coldDmore colder17If we are interested in something, our brain is more active and it is also much _ for us to pay attention to it for a long time.AeasyBeasierCthe easierDthe easiest8Why not choose to live here? According to the police, its far_
14、 than other areas.AdangerousBmore dangerousCless dangerousDmuch dangerous19The population of China is a lot _ than that of the USAAlargerBmoreCmostDlargest20In my hometown, it is _ in July, but it is even _ in August.Ahot; hotterBhot; hotChotter; hotDhotter, hottest21I did badly in the exam but he d
15、id even _. Both of us should study harder.AbetterBworseCbestDworst22Which sport do you play _ , volleyball or basketball?Basketball. I play it with my friends after school every day.Awell Bbadly Cbetter23Which sports do you like _, basketball or football?Basketball.Abetter Bbest Cwell24Bob skates _
16、than me, but he doesnt skate _ my brother.Abetter; so good asBbetter; so well asCworse; as good asDworse; as well as25More and more people are using 5G now.Yes. With 5G, you can share information on the Internet _.Amuch easierBmore easierCmuch more easilyDless easily26 Who does homework_, Tom, Jack
17、or Bill?Bill.Amore carefullyBmore carefulCmost carefullyDmost careful27She was very happy. She ran _ of all the runners.Athe fastestBthe quickestCslowestDquickly28Of all the teams in NBAI think the Los Angeles Lakers played _ this year.Amost successfullyBthe more successfullyCvery successfullyDmuch
18、more successfully29Did Kate do best in the final exam?No, but of all the students she did _.Athe most carefulBmore carefulCmost carefullyDmore carefully30Who listens _, Tom, Jack or Bill?Athe most carefullyBmore carefullyCthe most carefulDmore careful题组C 培优拔尖练31Julie won first prize in the singing c
19、ompetition because she sang_of all the singers.AwellBbestCbadlyDworst32The DJs in this radio station choose songs_.Athe most carefulBthe most carefullyCthe best carefully33Dad, can you give me some advice about the coming English test?Ok. The _ you think about the questions, the _ mistakes youll mak
20、e.Amore carefully; lessBmore carefully; fewerCless carefully; lessDless carefully; fewer34Home is _ place wherever you go.Yes. Theres no place like home.AwarmBwarmerCwarmestDthe warmest35Mary writes _ than _ student in her class. She is a hard-working girl.Amore careful; any otherBmore carefully; any otherCmore carefully; anyDmore careful; any