1、Unit 7 Whats the highest mountain in the world?,Section A Grammar Focus,Grammar Focus,4a. Fill in the blanks with the correct forms of the words in the box.,1. The Amazon River is one of the _ rivers in the world. Its a little _ than the Yangtze River. 2. Qomolangma is 8,844.43 meters_.,big much pop
2、ular long old high,longest,longer,high,Its one of the most _ places for serious mountain climbers. 3. No ocean in the world is as _ as the Pacific Ocean. 4. Although Japan is _ than Canada, it is _smaller.,popular,big,older,much,e.g. Two rivers：_ and _ _ _,4b. Write two comparisons about two topics.
3、 Write true facts.,the Yangtze River,the Amazon River,The Yangtze River is almost as long as the Amazon River.,The Amazon is longer than the Yangtze, but the Yangtze is the longest river in China.,Two cities：_ and _ 1._ 2._ _,Two animals：_ and _ 1._2._ _,Pair work,4c. Write five questions using comp
4、arisons. Then ask your partner your questions.,_ _ _ _ _,What is the highest building in our city?,Who is the oldest people in our city?,What is the most popular street in our city?,What is the most delicious food in our city?,Where is the busiest road in our city?,数词是用来表示事物的数目和顺序的词。,数词的分类： 1.基数词 2.
5、序数词 3.分数词 今天我们先来学习一下基数词。,Grammar Focus,(一)数词 Numeral,1. 复习1100以内的所有数字。 2. 掌握百、千、万、十万、百万的表达法。,1、1-19的基数词,one 1two 2three 3four 4five 5,six 6seven 7eight 8nine 9ten 10,eleven 11twelve 12thirteen 13fourteen 14,fifteen 15sixteen 16seventeen 17eighteen 18nineteen 19,2、2090等十位数,twenty 20 thirty 30 forty 4
6、0 fifty 50 sixty 60 seventy 70 eighty 80 ninety 90,twenty-one 21twenty-two 22 其它的十位数照此类推，如： thirty-one 31forty-two 42seventy-five 75ninety-six 96,3、百、千、万,百 hundred 100 one hundred200 two hundred以此类推 千 thousand 1 000 one thousand2 000 two thousand 英语里没有“万”这一单位，万也用thousand表示。如：10 000 ten thousand 一万20
7、 000 twenty thousand 两万,4、十万、百万,十万的说法是： 100.000a (one) hundred thousand 200.000two hundred thousand million 百万 a (one) million 1,000,000 two million 2,000,000以此类推 8,000,000 eight million,练一练 345 1001 18,657,421,three hundred and forty-five,one thousand (and) one,eighteen million, six hundred and fif
8、ty-seven thousand, four hundred and twenty-one,The project lasted 5 years and cost 2 billion dollars.2. The Chinese have been making paper fortwo thousand years.3. One thousand pounds is a lot of money.,表示确定数量时 用基数词+ hundred，thousand，million，billion,多位基数词读法,457,890,608,389,three hundred and eighty-n
9、ine,four hundred and fifty-seven,eight hundred and ninety,six hundred and eight,1）101999的三位数由“百位数and+两位数组成”。 如：325three hundred and twenty-five,102 one hundred and two,635 six hundred and thirty-five,2)三位数以上的数，从个位往前数，每三位数加一个逗号，从后往前数的第一个逗号代表thousand, 第二个逗号代表million, 第三个逗号是billion，注意这几个词不能用复数形式，后也不能加a
10、nd。例如：2,648 two thousand, six hundred and forty-eight 16,250,064 sixteen million, two hundred and fifty thousand, sixty-four,确切数目与不确切数目的表达： hundred, thousand, million, billion等前面有 基数词，表示确切数目时，用单数，后直接 接复数名词；如： three hundred books one hundred peoplefive thousand students seven million starts,表示不确切数目时，
11、这类词后加-s且与of连 用。如：hundreds of people thousands of students millions of birds billions of lions 注意：这类短语中，名词前如有定冠词、指 示代词或形容词性物主代词时，可加of, 但 表示的是范围。如：two hundred of the workers工人中的二百（人）,Grammar Focus,(二)形容词的比较级和最高级 comparatives and superlatives with adj. and adv.,short,-,shorter,small,-,smaller,nice,nice
12、r,safe,safer,-,-,-,-,-,-,big,thin,heavy,heavier,happy,happier,找规律：,big,bigger,thin,thinner,delicious more delicious interesting more interesting important more important carefully-more carefully quickly-more quickly slowly-more slowly easily- more easily,找规律：,大多数形容词和副词有三个等级： 原级、比较级、最高级。 一、形容词比较级的构成1
13、.构成的不规则变化:2.构成的规则变化:,形容词和副词的比较级,1. 构成的不规则变化: e.g. good / well better best bad / badly worse worstmany / much more most little less leastfar farther / further farthest/ furthest,2. 构成的规则变化: 1) 单音节词和少数双音节词一般在词尾后加-er 构成比较级 或-est构成最高级. 如：原级 比较级 最高级cold colder coldestbright brighterbrightestyoung younger
14、 youngest,2) 以字母 e 结尾的词只加 r 或-st 构成比较级和最高级。原级 比较级 最高级nice nicer nicestfine finer finestlarge larger largest,3) 重读闭音节词末尾只有一个辅音字母 时, 先双写这个辅音字母, 再加-er或-est。 如: big bigger biggest thin thinner thinnest 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：easy easier easiest happy happier happiest,5) 多音节词和部分双音节词在词前加
15、more或most。 如：delicious more delicious most deliciousinteresting more interesting most interestingimportantmore important most important,carefully-more carefully-most carefully quickly-more quickly -most quickly slowly-more slowly -most slowly easily- more easily -most easily,形容词最高级的构成,tall,taller,ta
16、llest,B: heavy easy tidy dry busy happy healthyhungry early,y - i- est,C: largelatenice,- st,biggest,D: big,hot,hottest,thin “双写”,thinnest,wet,wettest,fat,fattest,Adjective,delicious dangerousinterestingpopular beautiful careful friendly,the most - adj .,Adjective,better best,far,little,worse worst,
17、more most,farther farthest,less least,good,well,bad,badly,many,much,1. good 2. comfortable 3. big 4. happy 5. cheap 6. many 7. difficult 8. little,better bestmore comfortable most comfortablebigger biggesthappier happiestcheaper cheapestmore mostmore difficult most difficultless least,用法：英语中三者或三者以上相
18、比较，表示 “最” 这样的最高程度概念时，要用 “the+最高级” 的结构表示。这种句式一般带有表示比较的介词短语，比如: in our class, of the three 等。 例如：Wang Lin is the tallest in our class.This theater is the cheapest of the three. 注意使用最高级时应注意以下几点：,形容词的最高级,(1) 表示 “最之一” 的句式，要用 one of the +形容词最高级+复数名词。 例如: Jingjiang Hotel is one of the biggest hotels in our
19、 city.Lisa is not one of my best friends.(2) 当最高级前面有物主代词或名词所有格时， 不加定冠词 the。 例如：Tom is Lucys best friend.Tuesday is her busiest day.,(3) 最高级前可加序数词。 例如：The Yellow River is the second longest river in China. (4) 形容最高级修饰作表语或介词宾语的名词，代词时，被修饰的词往往省略。 例如：He is the laziest (student) in our class.,2. 形容词比较级和最高
20、级的构成规则变化 一般情况下，单音节或双音节的形容词比较级直接加-er, 最高级直接加-est。如：clevercleverercleverest cheapcheapercheapest fewfewerfewestsmallsmallersmallestyoungyoungeryoungest,b. 以-e 结尾的形容词，比较级+ -r,最高级+ -st。如： largelargerlargest nicenicernicestcutecutercutest c. 以辅音字母+y结尾的形容词，变y为i +er或+est。busybusierbusiest heavyheavierheavi
21、esteasyeasiereasiest happyhappierhappiestdirtydirtierdirtiest,d. 以重读闭音节结尾，末尾只有一个辅音字母结 尾的词，双写最后一个辅音字母，再加+er或 +est。 如：bigbiggerbiggest thinthinnerthinnestfatfatterfattest hothotterhottest e. 多音节和部分双音节形容词，需在原级前+more 构成比较级，+ most 构成最高级。如：importantmore importantmost importantbeautifulmore beautiful most
22、beautifuldifficultmore difficultmost difficult,3. 不规则变化：,最高级规则变化口诀：,最高级，很容易，一般词尾加est。 (cheap-the cheapest) 词尾若有哑音e, 直接就加st。 (close-the closest) 重读闭音节, 单辅音字母要双写。 (big-the biggest) 辅音字母加y, 记得把y变为i。 (friendly-the friendliest) 多音节，考考你，the most到底加哪里？ (popular-the most popular),1.We are going to the Green
23、 Restaurant for lunch. (就划线部分提问)_ you going for lunch? 2. Sam is the shortest in his class. (改为同义句) Sam is _ than _ _ student in his class. Sam is _ than _ _ students in his class. Sam is _ than_ _ in his class. 3. How do you like Screen City? (改为同义句)_ do you _ Screen City?,Where are,shorter,any oth
24、er,What,think of,shorter,the other,anyone else,shorter,练习：改写句子,late later - latest,early earlier earliest,big bigger- biggest,fluently/difficult more, most,重读闭音节、末尾只有一个 辅音字母双写加 er 或 est,单音节词在词尾比较级加- er或最高级加- est,以e结尾的词，只需加r 或st,以辅音字母加 y 结尾双音节词变 y 为 i 加 er 或 est,部分双音节和多音节词在原级前加 more 或 most,少数以er,ow 结
25、尾的双音节词加-er -est,tall taller- tallest,clever cleverer-cleverest,cheap, cold, small, warm, young, high,fine, nice, safe,happy, busy, dirty, easy, lazy, pretty,fat, hot, red, thin, wet, sad,narrow, yellow,quickly, slowly, useful, careful, popular, modern,形容词和副词比较级和最高级构成 (规则变化),不规则变化,good / well better
26、- best,much / many more - mostbad / badly / ill worse worstlittle less leastfar farther/ further farthest furthestold older/ elder oldest / eldest,形容词和副词比较级的用法,1.Who runs faster, he or she?,2.He runs faster than she.,3.He runs much faster than she.,4.He becomes healthier and healthier.,5.The more yo
27、u exercise, the healthier you will be.,6.She is less healthy than he.,1.表示两者之间的选择,可用“Which/Who + 比较，or?”.,2.表示两者之间的比较，通常用连词 than 引导，表示“更一些”,3.much/far/a lot, even ,still ,a little/a bit 修饰比较级,表示程度.,Who runs faster, he or she?,He runs faster than she.,He runs much faster than she.,4. “比较级+and+比较级”表示“
28、越来越”,5. “the+比较级 , the + 比较级”表示“ 越, 越 ”,6. 表示不及另一方时，用“less+原级+than”(双音节和多音节词),He becomes healthier and healthier.,The more you exercise, the healthier you will be.,She is less healthy than he.,He is healthier than she.,Shanghai is becoming more and more modern.,1.比较级 + and +比较级 越来越 2.the+比较级 , the +
29、 比较级 越, 越 ,3._you are, _mistakes youwill make. (你越仔细，做错的题目就越少） 4. _you eat, _youll be. (你吃得越多,就越胖) 5. Alice writes well. Mary writes _ than she. (甚至更好）,The more careful,the fewer,The more,the fatter,1.The girl becomes _. (越来越漂亮）,more and more beautiful,2. The weather is getting _. (越来越槽糕）,worse and
30、worse,even / still better,1.表示三者或三者以上比较,可用”Which/Who +最高级,or ?”表示.,2. 最高级+of/among (同类比较) in (范围比较),4.one of +,形容词最高级,+名词复数表示“最 之一”,3. 序数词修饰最高级,形容词和副词的最高级的用法,Who is the tallest, Tom , Mike , or Jack?,Tom is the tallest of the three.,Mike is the second tallest student in our class.,Jack is one of the
31、 tallest students in our class.,Tom runs (the) fastest in our class.,3. Lin Tao is _ in the class because he never gets to school on time. （最懒的学生之一） 4. Edison was_in the world. (最伟大的发明家之一）,one of the laziest students,one of the greatest inventors,The Yangtze River is_ river in the world. (第三长河）,the
32、third longest,2. The Atlantic is _ ocean in the world. ( 第二大洋）,the second biggest,Exercise:,一、翻译句子：,二、同义句转换,1. Flat A is more expensive than Flat BFlat B is _ _ than Flat A.Flat B is _ _ Flat A.Flat B is not _ _ _ Flat A.,2. I prefer maths to English.I like maths _ English.,better than,3.He is the t
33、allest student in the class.He is _ in the class.,taller than any other student,any other + 名词单数,less,expensive,cheaper,than,as,expensive,as,1.Hainan is a very large Island .It is thesecond _ island in china. (large) 2.Our teacher is as _ as before. (busy). 3.He is _ among us. (careful) 4.Li Lei jum
34、ped far _ than Jim. (far) 5.The busier he is, the _ he feels. (happy) 6.I think Yao Ming is one of _ basketball players in NBA. (hot),busy,the most careful,farther,happier,largest,the hottest,三、完成句子,Homework,Practice with your classmates to speak and write large numbers. Write some number cars and put them inyour room. Whenever you see, read them quickly.,
