高中英語 Module 5 A Lesson in a Lab Section Ⅲ Grammar-比較等級(jí)教學(xué)案 外研版必修1

1、Module 5 A Lesson in a Lab Section Grammar-比較等級(jí)語法圖解探究發(fā)現(xiàn)The earth is fortynine times as large as the moon.The earth is fortynine times larger than the moon.This stone bridge is twice the length of the wood one.The book is as interesting as that one.Its getting brighter and brighter!The closer you are

2、, the more youll see.We need a piece which is much bigger than that.The physics lesson was a lot more interesting than the chemistry lesson.He has never spent a more worrying day.His whole school education added up to no more than one year.我的發(fā)現(xiàn)(1)例句為倍數(shù)表達(dá)法，其結(jié)構(gòu)分別是：句倍數(shù)as形容詞as；句倍數(shù)比較級(jí)than；句倍數(shù)the性質(zhì)名詞。(2)例

3、句為原級(jí)比較，其結(jié)構(gòu)是：as形容詞as。(3)例句是比較級(jí)的表達(dá)。其中例句的結(jié)構(gòu)是“比較級(jí)and比較級(jí)”；例句的結(jié)構(gòu)是“the比較級(jí)，the比較級(jí)”；例句中分別用 much,_a_lot 修飾比較級(jí)；例句中用“否定詞比較級(jí)”表示最高級(jí)；例句是比較級(jí)的特殊句式。一、英語倍數(shù)表達(dá)法1倍數(shù)表達(dá)法的三個(gè)常用句型(1)倍數(shù)asadj./adv.asThis big stone is three times as heavy as that one.這塊大石頭的重量是那一塊的三倍。(2)倍數(shù)比較級(jí)thanThis hall is five times bigger than our classroom.這

4、個(gè)大廳是我們教室的五倍大。(3)倍數(shù)the性質(zhì)名詞(size, height, width, depth, length等)ofThis hill is four times the height of that small one.這座山的高度是那座小山的四倍。名師點(diǎn)津英語中，用twice或double表示兩倍，三倍或三倍以上用基數(shù)詞times，如three times, four times。即時(shí)演練1一句多譯這條街是那條街的四倍長。This street is four_times_longer_than that one.This street is four_times_as_lon

5、g_as that one.This street is four_times_the_length_of that one.2倍數(shù)表達(dá)法的兩個(gè)變體(1)倍數(shù)what從句The rainfall this year is twice what it was last year.今年降雨量是去年的兩倍。(2)倍數(shù)as many/much名詞asWe have produced three times as many computers as we did last year.我們生產(chǎn)的計(jì)算機(jī)是去年的三倍多。即時(shí)演練2(1)完成句子The price of the house in Shangha

6、i this year is twice_what_it_was last year.今年上海的房價(jià)是去年房價(jià)的兩倍。There are three_times_as_many_students_as we expected.學(xué)生數(shù)量是我們預(yù)期的3倍。(2)句型轉(zhuǎn)換The big tree is twice as high as the small one.Theheight of the big tree is twice thatof the small one.His books are three times as many as his younger sister.He has g

7、ot threetimesasmanybooksas his younger sister.二、形容詞和副詞的比較等級(jí)1形容詞和副詞的比較等級(jí)的基本句式(1)原級(jí)比較：“.as形容詞/副詞原級(jí)as .”表示“和一樣”，否定式為“.not as/so形容詞/副詞原級(jí)as .”This picture is as beautiful as that one.這幅畫和那幅畫一樣漂亮。The work is not as/so difficult as you imagine. 這工作沒有你想象的那么難。名師點(diǎn)津在此句式中，若形容詞原級(jí)后面跟單數(shù)可數(shù)名詞，則應(yīng)注意冠詞與形容詞的位置關(guān)系，即“as形容詞

8、原級(jí)a(n)單數(shù)可數(shù)名詞as”。He is as clever a boy as his brother.他是和哥哥一樣聰明的男孩子。(2)比較級(jí)：“形容詞/副詞比較級(jí)than”意為“比更”She speaks louder than her mother.她比她媽媽說話聲音大。My computer is more expensive than hers.我的電腦比她的貴。即時(shí)演練3單句改錯(cuò)The girl can run so fast as her elder sister.soasI didnt do my homework as careful as you.carefulcaref

9、ullyThis book is as interesting book as that eresting_后加_aJohn plays football as well, if not better than, David.well_后加_as2形容詞和副詞比較級(jí)的特殊句式(1)“the比較級(jí)，the比較級(jí)”表示“越，就越”The more careful you are, the fewer mistakes youll make.你越仔細(xì)，犯的錯(cuò)誤就越少。(2)“比較級(jí)and比較級(jí)”表示“越來越”With summer coming, the day is becoming

10、 longer and longer.隨著夏天的到來，白天變得越來越長。My hometown is getting more and more beautiful.我的家鄉(xiāng)正變得越來越美麗。(3)“the比較級(jí)of the twon.”表示“是兩者中較的那個(gè)”The younger of the two brothers is a lawyer.兩兄弟中較年輕的那個(gè)是一名律師。(4)no more than與not more thanno more than相當(dāng)于only，表示“僅僅，不超過”；而not more than相當(dāng)于at most，意為“至多；最多”。She has no mor

11、e than one yuan in her pocket.她兜里只有一元錢。We can learn not more than 20 new words this week.我們這周最多只能學(xué)20個(gè)生詞。(5)no more .than .與not more .than .no more .than .表示“和一樣不”，而not more .than .則表示“不如”。She is no more careful than her sister.她并不比妹妹細(xì)心。(她和妹妹都不細(xì)心)She is not more careful than her sister.她不如妹妹細(xì)心。(6)no

12、less than與not less thanno less than表示“不比少”，相當(dāng)于as much as，說明這個(gè)數(shù)是大的；而not less than表示“不少于”，不強(qiáng)調(diào)這個(gè)數(shù)的大小，只說明數(shù)據(jù)本身。I have no less than ten dictionaries.我起碼有10本詞典。(意味著“我的詞典多”)I have not less than ten dictionaries.我擁有的詞典不少于10本。(只說明事實(shí))(7)more .than .用于同一人或物的兩種性質(zhì)或狀態(tài)，可翻譯成“與其，倒不如說”。He is more wise than diligent.與其

13、說他勤奮，倒不如說他聰明。(8)“more than主語can謂語”表示“超出的范圍”The noise is more than I can put up with.這種噪音我忍受不了。(9)“否定詞比較級(jí)”結(jié)構(gòu)表示最高級(jí)含義I have never seen a more interesting book.這是我所看過的最有趣的書。You couldnt find a better place to live in.這是你能找到的最好的居住地。即時(shí)演練4(1)完成句子It becomes colder_and_colder when winter comes.冬天來了，天氣變得越來越冷。T

14、he_harder you study, the_greater_progress you will make.你學(xué)習(xí)越努力，取得的進(jìn)步就越大。The_taller_of_the_two_boys is our monitor.兩個(gè)男孩中較高的那個(gè)是我們的班長。I have never seen a_better_film. 我從未看過比這更精彩的影片。He is more_a_writer_than_a_teacher.與其說他是老師不如說他是作家。The beauty of the city is more_than_I_can_describe.這座城市的美麗并非我所能描述。He is

15、feeling no_better_than yesterday.他感覺并不比昨天好多少。No_less_than ten people were injured in the accident.在事故中受傷的多達(dá)10人。(2)單句改錯(cuò)But before the better idea is put forward, well make do with this suggestion.theaIve never had a most pleasant trip before.mostmoreThe more you eat, fatter you will become.fatter_前加_

16、theOur school is becoming the more and more beautiful.去掉_the3比較等級(jí)的程度狀語(1)比較級(jí)前可以用一些表示程度的詞修飾，說明兩者相比差異程度的大小。常用的有：a little, a bit, a lot, much, far, by far, a great deal, greatly, even, still, yet, no, rather等。He did much better than I in maths.他數(shù)學(xué)學(xué)得比我好多了。She arrived a little earlier than I this morning

17、.今天早上她比我稍早一點(diǎn)到達(dá)。We must unite to win a even greater victory.我們必須團(tuán)結(jié)起來，爭取更大的勝利。(2)比較級(jí)前還可以用表示倍數(shù)的詞或度量名詞作修飾語。例如a head, two meters等。This rope is two meters longer than that one.這根繩子比那根長兩米。(3)疑問句中用any修飾比較級(jí)。Are you feeling any better today?你今天感覺好些了嗎？即時(shí)演練5翻譯句子他比他弟弟高多了。(far)He_is_far_taller_than_his_younger_br

18、other.他比他媽媽高一頭。(a head)He_is_a_head_taller_than_his_mother.他對此事的了解甚至比我還少。(even)He_knows_even_less_about_it_than_I_do.你開得太快了，你能開慢點(diǎn)嗎？(a bit)You_are_driving_too_fast._Can_you_drive_a_bit_more_slowly?.單句語法填空1I think its too expensive. Id like a cheaper (cheap) one.2The more difficult the problem is, the

19、 more careful you should be.3The new building is three times the height (high) of the old one.4The restaurant wasnt half as good as that other restaurant we went to.5How much better (good) she looks without her glasses.6The value of the house is twice what it was.7Professor Wang has written some sho

20、rt stories, but he is better (well) known for his plays.8My uncles house in the downtown area is much smaller than ours, but its twice as expensive.9Tom is wise enough to achieve his success.But in my opinion, he is more_lucky (lucky) than wise.10The weather isnt good enough for an outing, is it?Not

21、 in the least. We cant have a worse (bad) day at this time of the year.完成句子1It is much_more_difficult to judge oneself than to judge others.判斷自己比判斷別人要難得多。2This bridge is 9_meters_longer_than that one.這座橋比那座橋長9米。3ChinaDaily is more_than_a_newspaper. It can broaden our horizon.中國日報(bào)不僅僅是份報(bào)紙，它能開闊我們的視野。4H

22、ow beautifully she sings! Ive never_heard_a_better_voice.她唱得多好?。∵@是我聽到的最美的聲音。5The_closer you stay to nature, the_more you will appreciate her beauty.你愈接近大自然，就愈能欣賞她的美。6This room is twice_the_length_of that one, but it is much_narrower.這個(gè)房間的長度是那個(gè)房間的兩倍，但窄得多。7I find flying is a_lot_more_interesting_than

23、going by sea.我發(fā)現(xiàn)乘飛機(jī)比乘船有趣得多。8As time went on, he found it more_and_more_difficult to support his family.隨著時(shí)間的推移，他發(fā)現(xiàn)養(yǎng)家越來越困難了。.短文改錯(cuò)假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌寫的以下作文。文中共有10處語言錯(cuò)誤，每句中最多有兩處。每處錯(cuò)誤僅涉及一個(gè)單詞的增加、刪除或修改。增加：在缺詞處加一個(gè)漏字符號(hào)()，并在其下面寫出該加的詞。刪除：把多余的詞用斜線()劃掉。修改：在錯(cuò)的詞下畫一橫線，并在該詞下面寫出修改后的詞。注意：1.每處錯(cuò)誤及其修改均僅限一詞；2只允許修改10處，多者(從第11處起)不計(jì)分。During the weekend I travelled