2017-2018學年高中英語 Module 5 A Lesson in a Lab Section Ⅲ Grammar-比較等級教學案 外研版必修1

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1、 Module 5 A Lesson in a Lab Section Ⅲ Grammar-比較等級 語法圖解 探究發(fā)現(xiàn) ①The earth is forty-nine times as large as the moon. ②The earth is forty-nine times larger than the moon. ③This stone bridge is twice the length of the wood one. ④The book is as interesting as that one. ⑤It’s getting brighter

2、and brighter! ⑥The closer you are, the more you’ll see. ⑦We need a piece which is much bigger than that. ⑧The physics lesson was a lot more interesting than the chemistry lesson. ⑨He has never spent a more worrying day. ⑩His whole school education added up to no more than one year. [我的發(fā)現(xiàn)] (1)

3、例句①②③為倍數(shù)表達法，其結(jié)構(gòu)分別是：句①倍數(shù)＋as＋形容詞＋as；句②倍數(shù)＋比較級＋than；句③倍數(shù)＋the＋性質(zhì)名詞。 (2)例句④為原級比較，其結(jié)構(gòu)是：as＋形容詞＋as。 (3)例句⑤⑥⑦⑧⑨⑩是比較級的表達。其中例句⑤的結(jié)構(gòu)是“比較級＋and＋比較級”；例句⑥的結(jié)構(gòu)是“the＋比較級，the＋比較級”；例句⑦⑧中分別用 much,_a_lot 修飾比較級；例句⑨中用“否定詞＋比較級”表示最高級；例句⑩是比較級的特殊句式。 一、英語倍數(shù)表達法 1．倍數(shù)表達法的三個常用句型 (1)倍數(shù)＋as＋adj./adv.＋as This big stone is three ti

4、mes 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＋than This hall is five times bigger than our classroom. 這個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)＋of This hill is four times the height of that small one. 這座山的高度是那座小山的四倍。 [名師點津]　英語中，用twice或double表示兩倍，三倍或三倍以上用基數(shù)詞＋ti

5、mes，如three times, four times。 [即時演練1]　一句多譯 這條街是那條街的四倍長。 ①This street is four_times_longer_than that one. ②This street is four_times_as_long_as that one. ③This street is four_times_the_length_of that one. 2．倍數(shù)表達法的兩個變體 (1)倍數(shù)＋what從句 The rainfall this year is twice what it was last year. 今年降雨量是

6、去年的兩倍。 (2)倍數(shù)＋as many/much＋名詞＋as We have produced three times as many computers as we did last year. 我們生產(chǎn)的計算機是去年的三倍多。 [即時演練2] (1)完成句子 ①The price of the house in Shanghai this year is twice_what_it_was last year. 今年上海的房價是去年房價的兩倍。 ②There are three_times_as_many_students_as we expected. 學生數(shù)量是我們

7、預期的3倍。 (2)句型轉(zhuǎn)換 ①The big tree is twice as high as the small one. →Theheight of the big tree is twice thatof the small one. ②His books are three times as many as his younger sister. →He has got threetimesasmanybooksas his younger sister. 二、形容詞和副詞的比較等級 1．形容詞和副詞的比較等級的基本句式 (1)原級比較：“...as＋形容詞/

8、副詞原級＋as ...”表示“和……一樣”，否定式為“...not as/so＋形容詞/副詞原級＋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。 [名師點津]　在此句式中，若形容詞原級后面跟單數(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＋形容詞原級＋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

9、聰明的男孩子。 (2)比較級：“形容詞/副詞比較級＋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。 [即時演練3]　單句改錯 ①The girl can run so fast as her elder sister.so→as ②I didn’t do my homework as careful as you.careful→carefully ③This book is as interest

10、ing book as that one.interesting_后加_a ④John plays football as well, if not better than, David.well_后加_as 2．形容詞和副詞比較級的特殊句式 (1)“the＋比較級，the＋比較級”表示“越……，就越……”　 The more careful you are, the fewer mistakes you’ll make. 你越仔細，犯的錯誤就越少。 (2)“比較級＋and＋比較級”表示“越來越……” With summer coming, the day is becoming

11、 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＋of the two＋n.”表示“是兩者中較……的那個” The younger of the two brothers is a lawyer. 兩兄弟中較年輕的那個是一名律師。 (4)no more than與not more than no more than相當于only，表示“僅僅，不超過”；而not more than相當于at most，意為“

12、至多；最多”。 She has no more 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20個生詞。 (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. 她并不比妹妹細心。(她和妹

13、妹都不細心) She is not more careful than her sister. 她不如妹妹細心。 (6)no less than與not less than no less than表示“不比……少”，相當于as much as，說明這個數(shù)是大的；而not less than表示“不少于”，不強調(diào)這個數(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

14、) (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”結(jié)構(gòu)表示最高級含義 I have never seen a more interesting book. 這是我所看過的最有趣的書。 You couldn’t find a

15、 better place to live in. 這是你能找到的最好的居住地。 [即時演練4] (1)完成句子 ①It becomes colder_and_colder when winter comes. 冬天來了，天氣變得越來越冷。 ②The_harder you study, the_greater_progress you will make. 你學習越努力，取得的進步就越大。 ③The_taller_of_the_two_boys is our monitor. 兩個男孩中較高的那個是我們的班長。 ④I have never seen a_better_fil

16、m. 我從未看過比這更精彩的影片。 ⑤He is more_a_writer_than_a_teacher. 與其說他是老師不如說他是作家。 ⑥The beauty of the city is more_than_I_can_describe. 這座城市的美麗并非我所能描述。 ⑦He is feeling no_better_than yesterday. 他感覺并不比昨天好多少。 ⑧No_less_than ten people were injured in the accident. 在事故中受傷的多達10人。 (2)單句改錯 ①But before the b

17、etter idea is put forward, we’ll make do with this suggestion.the→a ②I’ve never had a most pleasant trip before.most→more ③The more you eat, fatter you will become.fatter_前加_the ④Our school is becoming the more and more beautiful.去掉_the 3．比較等級的程度狀語 (1)比較級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 litt

18、le, 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)學學得比我好多了。 She arrived a little earlier than I this morning. 今天早上她比我稍早一點到達。 We must unite to win a even greater victory. 我們必須團結(jié)起來，爭取更大的勝利。 (2)比較級前還可以用表示倍數(shù)的詞或度量名詞作修飾語

19、。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。 Are you feeling any better today? 你今天感覺好些了嗎？ [即時演練5]　翻譯句子 ①他比他弟弟高多了。(far) He_is_far_taller__than_his_younger_brother. ②他比他媽媽高一頭。(a head) He_is_a_head_taller_than_his_mother. ③他對此事的了解甚至比我還少。

20、(even) He_knows_even_less_about_it_than_I_do. ④你開得太快了，你能開慢點嗎？(a bit) You_are_driving_too_fast._Can_you_drive_a_bit_more_slowly? Ⅰ.單句語法填空 1．I think it’s too expensive. I’d like a cheaper (cheap) one. 2．The more difficult the problem is, the more careful you should be. 3．The new building is t

21、hree times the height (high) of the old one. 4．The restaurant wasn’t half as good as that other restaurant we went to. 5．How much better (good) she looks without her glasses. 6．The value of the house is twice what it was. 7．Professor Wang has written some short stories, but he is better (well) k

22、nown for his plays. 8．My uncle’s house in the downtown area is much smaller than ours, but it’s twice as expensive. 9．—Tom is wise enough to achieve his success. —But in my opinion, he is more_lucky (lucky) than wise. 10．—The weather isn’t good enough for an outing, is it? —Not in the least. We

23、 can’t have a worse (bad) day at this time of the year. Ⅱ.完成句子 1．It is much_more_difficult to judge oneself than to judge others. 判斷自己比判斷別人要難得多。 2．This bridge is 9_meters_longer_than that one. 這座橋比那座橋長9米。 3．ChinaDaily is more_than_a_newspaper. It can broaden our horizon. 《中國日報》不僅僅是份報紙，它能開闊我們的

24、視野。 4．How beautifully she sings! I’ve never_heard_a_better_voice. 她唱得多好??！這是我聽到的最美的聲音。 5．The_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。 6．This room is twice_the_length_of that one, but it is much_narrower. 這個房間的長度是那個房間的兩倍，但窄得多。 7．I find flying is a_lo

25、t_more_interesting_than going by sea. 我發(fā)現(xiàn)乘飛機比乘船有趣得多。 8．As time went on, he found it more_and_more_difficult to support his family. 隨著時間的推移，他發(fā)現(xiàn)養(yǎng)家越來越困難了。 Ⅲ.短文改錯 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處語言錯誤，每句中最多有兩處。每處錯誤僅涉及一個單詞的增加、刪除或修改。 增加：在缺詞處加一個漏字符號(∧)，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：在錯的詞

26、下畫一橫線，并在該詞下面寫出修改后的詞。 注意：1.每處錯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)不計分。 During the weekend I travelled by the air for the first time in my life. I usually travel by train because of it is much cheaper and safe. But to fly in the sky was something new to me. In the very beginning I feel a little nervou

27、s. I looked around and saw many smiling faces and determined eyes, who made me calm down very soon. After a while, I became excited when I found me high in the sky among the clouds. I also found that mountains, fields, rivers and so on was interestingly small. I enjoyed the frightening and comfortab

28、le journey very much. After all, it is much interesting to take a plane than to take a car. I will never forget this wonderfully trip by plane. 答案：第一句：去掉air前的the 第二句：去掉of; safe→safer 第四句：feel→felt 第五句：who→which 第六句：me→myself 第七句：was→were 第八句：and→but 第九句：much→more 第十句：wonderfully→wonderful 8