2022年2022年倍數(shù)表達(dá)法

1、精選學(xué)習(xí)資料 - - - 歡迎下載倍數(shù)表達(dá)法為歷屆高考的熱點(diǎn)；當(dāng)我們要表達(dá)甲為乙的幾倍時(shí),通常可使用以下句型：1.倍數(shù) +as+形容詞或副詞的原級(jí)+as+其它；這種結(jié)構(gòu)又常演化成以下兩類：倍數(shù)+as+many+可數(shù)名詞復(fù)數(shù)+as;倍數(shù) +as+much+不行數(shù)名詞 +as；如：there are seven times as many people as i expected.為我預(yù)料的人數(shù)的七倍；there is five times as much coffee in this glass as in that one. 這個(gè)杯子里的咖啡為那個(gè)杯子里的五倍；2.倍數(shù) +形容詞（或副詞）的比

2、較級(jí)+ than+其它；如：the hall is five times bigger than our classroom. 這個(gè)大廳的面積比我們老師大五倍；3.倍數(shù) +the size/height/length/width.etc.+of+其它；如：this road is six times the length of that one. 這條路為那條路的六倍長(zhǎng)；4.計(jì)量名詞 +of+ 名詞 +be+倍數(shù) +that+of+ 其它；如：the size of the newly broadened square is four times that of the previous on

3、e. 新擴(kuò)建的廣場(chǎng)為以前的四倍大；5.倍數(shù) +what 從句；如：the production is now three times what it was ten years ago. 現(xiàn)在的產(chǎn)量為十年前的三倍；6.倍數(shù) +more+ 名詞 +than+ 其它；如：there are nine times more books in his bag than in yours.他書包里的書比你書包里的書多九倍；精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載7.其它表達(dá)；如：she's twice/double my age. 她的年齡為我的兩倍；the average income

4、of the staff has been increased by 50 percent compared with last year.與去年相比,該單位職工的收入已增加了50%；he runs faster than me by three times. 他跑得比我快三倍； 考查方向 1）倍數(shù)在句中的位置一般放在第一個(gè)as 前面或比較級(jí)前面或名詞前面；2）用 times 表示倍數(shù)時(shí),一般只限于表示包括基數(shù)在內(nèi)的三倍或三倍以上的數(shù)；表示兩倍可以用 twice 或 double、 一倍用 once.【重點(diǎn)歸納】除了我們中學(xué)所學(xué)的形容詞的比較級(jí)的用法,本模塊我們主要?dú)w納幾種句式結(jié)構(gòu)：（一）含倍

5、數(shù)的比較句型1.倍數(shù) +as+形容詞原級(jí) +as；如：this bridge is three times as long as that one.his room is twice as big as mine;in other words、mine is only half as big as his.【特殊提示】“ asa中s ”間加入名詞的句式：精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載 倍數(shù) +as+形容詞 +a/an+可數(shù)名詞單數(shù) +as 倍數(shù) +as+形容詞 +可數(shù)名詞復(fù)數(shù) / 不行數(shù)名詞 +as；如：last year my brother twice as big a n

6、ew house as mine.he has collected more than three times as many stamps as i have.i spent twice as much time on my studies as you did.【難點(diǎn)點(diǎn)撥】該結(jié)構(gòu)的省略：通常省略形容詞后面的名詞及比較的部分；如：i have to transfer 轉(zhuǎn)乘） buses so i spend twice as much money as othersfor the bus every day.2.倍數(shù) +形容詞比較級(jí) +than；如：this street is four t

7、imes shorter than that one.fear of danger is ten thousand times more terrifying than danger itself.【特殊提示】倍數(shù) +形容詞比較級(jí)+名詞 +than；如：he earns five times more money now than he did ten years ago.there are three times more books in our library than in yours.3.倍數(shù) +the+ 名詞（如size、height、weight、length、width、dep

8、th等） +of；如：this well is three times the depth of that one.精品學(xué)習(xí)資料精選學(xué)習(xí)資料 - - - 歡迎下載4.另外,請(qǐng)留意下面兩種說法：（1）倍數(shù) +what 從句；如：the length of the road is four times what it was three years ago.2 倍數(shù) +that of+ 被比較對(duì)象；如：airmail charges almost twice or three times that of a normal mail.二）其它句式1." 比較級(jí) +and+ 比較級(jí) " 表示 " 越來越"；如：things are getting better and better every day.our country is becoming more and more beautiful.2."the+ 比較級(jí), the+比較級(jí)"表示 “越,就越”；如：the more you have、 the more you want.the more a man knows、 the less he knows he knows.【學(xué)問擴(kuò)展】在形容詞比較級(jí)前可以加a little、 a bit、 a lot、 no、