題目：

倍數(shù)的表示方法

解答：

解題思路： 見(jiàn)下解題過(guò)程： 倍數(shù)表達(dá)3法：記住無(wú)論哪種，必須把相差的倍數(shù)或百分比放在前面。 一、As……as……表比較的句型： A……＋倍數(shù)/分?jǐn)?shù)/百分比＋as＋adj/adv＋as＋B （A、B代表2個(gè)被比較的事物或人）關(guān)鍵是記住必須把相差的倍數(shù)或百分比放在as……as的前面。 例：This road is twice as long as that one. (2005湖北卷)What a table! I’ve never seen such a thing before. It is__it is long. A half not as wide as B wide not as half as C not half as wide as D as wide as not half （C） 但是，在實(shí)際表達(dá)和考題中，這個(gè)句型經(jīng)常有變形。變形情況如下： 1、 A……＋倍數(shù)/分?jǐn)?shù)/百分比＋as＋adj＋n＋as＋B （02上海春季卷）American eat ___ vegetables per person today as they did in 1910. A more than twice B as twice as many C twice as many as D more than twice as many (D) （04廣西卷）It is reported that the United States uses ___ energy as the whole of Europe. A as twice B twice much C twice much Dtwice as much (D) 2、 A……＋倍數(shù)/分?jǐn)?shù)/百分比＋as＋adj＋a（n）＋n＋as＋B During the season all the animals are sold at twice as high a price as usual. 在這個(gè)季節(jié)，所有的動(dòng)物的售價(jià)都是平常的2倍。 (NMET2001)It is generally considered that teaching is _____ it is a science. A an art much as B much an art as C as an art much as D as much an art as （D） 3、 A……＋倍數(shù)/分?jǐn)?shù)/百分比＋as＋adj＋n（省略第2個(gè)as） The USA has more than 14 times as many people(as Australia). 美國(guó)的人口數(shù)量是澳大利亞的14倍還多。 （03上海卷）The house rent is expensive. I’ve got about half the space I had at home and I’m paying ___ here. A as three times B as much three times C much as three times D three times as much (D) 這里房租很貴。在家里住的一半大小的面積在這里要付2倍的價(jià)錢(qián)。后面省略了as at home。 二、…… 比較級(jí)+than…… A……＋倍數(shù)/分?jǐn)?shù)/百分比/具體數(shù)字＋adj/adv的比較級(jí)＋than＋B This road is twice longer than that one. 這條路比那條長(zhǎng)2倍。 He is two years older than I. 他長(zhǎng)我2歲。 三、 A……＋倍數(shù)/分?jǐn)?shù)/百分比＋the＋n＋of＋B （05上海卷）At a rough estimate, Nigeria is ____ Great Britain. A three times the size as B the size three times of C three times as the size of D three times the size of (D) 這個(gè)句型也有很多變形： 1） A……＋倍數(shù)/分?jǐn)?shù)/百分比＋the/物主代詞＋n He is double my age. 2） A……＋倍數(shù)/分?jǐn)?shù)/百分比＋what從句 If you offered me six times what you have just offered, I would still take my pound of flesh. 如對(duì)本題解答還有疑問(wèn)，可在“繼續(xù)討論”中留言，我收到后會(huì)盡快給你答復(fù)。謝謝你的配合！匆忙中難免有疏漏，請(qǐng)多包涵哦。我是菁菁草老師，隨時(shí)為你答疑解惑! 最終答案：略