现在越来越多的人报名参加SAT考试，那么如何备考就成了关键的问题，下面来看下SAT数学倍数的练习题。
1. ( 2002 上海春) Americans 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
2. ( 1998 上海) Paper produced every year is _______ the world's production of vehicles.
A. the three weight of
B. threetimes the weight of
C. as three times heavy as
D. three times as heavier as(heavier应改为原级)
3. ( 1994 上海) With the help of the German experts， the factory produced ______ cars in 1993 as the year before.
A. as twice many B. as many twice
C. twiceas many D. twice many as
4. ( MET 1992 ) This ship measures ________ that one.
A. as twice as long
B. as twice long as
C. twice long as
D. twice aslong as
5. ( MET 1990 ) After the new technique was introduced， the factory produced _______ tractors in1988 as the year before.
A. as twice many
B. as many as
C. as twice as many
D. twice as many
Key： 1 - 5 DBCDD
6. It is reported that the United States uses________energy as the whole ofEurope.
A.as twice
B.twice much
C.twice much as
D.twice as much
答案是D
7. Thehouse rent is expensive, I’ve got about half the space I had at home and I’mpaying ________ here. (上海卷)
A. as three times much B. as much three times
C. much as three times D. three times as much
【分析】答案选D。倍数three times要放在as的前面，后面省略as I paidat home。
8. With thehelp of the German experts, the factory produced ________ cars in 1993 as theyear before. (上海卷)
A. as twice many B. as many as twice
C. as twice as many D. twice as many
【分析】答案选D。倍数放在as之前。此题与全国卷曾考过的一题几乎一样：
9.The house rent is expensive. I've got abouthalf the space I had at home and I'm paying _______ here. ( 2003 上海)
A. as three times much
B. as much three times
C. much as three times
D. three times as much
该题的正确答案为 D .显然本题是在考查倍数的表达法。
例句
1.“A+ be + 倍数+ as + 计量形容词原级+ as + B”。
Thistree is three times as tall as that one.
这棵树是那棵树的三倍高。
Hisfather is twice as old as he.
他父亲的年纪有他两倍大。
2.“A+ be + 倍数+ 计量形容词比较级+ than + B ”
TheYangtze River is almost twice longer than the Pearl River.
长江差不多比珠江长两倍。
Thedictionary is exactly five times more expensive thanthat one.
这本字典比那本恰好贵5倍。
3.“A+ be + 倍数+ the + 计量名词 + of + B ”
Thenewly broadened square id four times the size of the previous one.
新扩建的广场是未扩建时的四倍大。
4.“The+ 计量名词+ of + A + be + 倍数 + that + of + B ”
Thesize of the newly broadened square is four times that of the previous one.
新扩建的广场为以前的四倍大。
5.其它I‘mtwice/ double his age. 我的年龄是他的两倍。
I‘vepaid five times the usual price for the stamp.
我出了5倍于往常的价格买这枚邮票。
Theaverage income of the staff has been increased by 50 percent compared with lastyear.
与去年相比，该单位职工的收入增加了50%.
Theprice of TVs are twofold( adj. 两部分的， 双重的) down over these years.
近几年来，电视机的价格下降了两倍。
Iam more than twice as old as he.
我的年龄是他的两倍还不止。
I'veseen this film twice.
这部影片我已经看过两次了。
Hestudies more than three times as hard as I.
他用功的程度是我的三倍还不止。
Ihave five times the number of Tom's books.
我有五倍于汤姆的书。
Hehas collected more than three times as many stamps as I (have).
他收集的邮票是我的三倍还不止。
ten times as big
十倍大的
Hehad classed the White Mouse as of no account, and it paid twenty times as muchas the Transcontinental and also had paid on acceptance.
他原把《白鼠》看得一文不值，可是他出的稿费却比《横贯大陆月刊》要大二十倍，而且一接受就付钱。
Apenny, worth fifty times as much as a sovereign, was something to retain andtreasure.
必须保存和珍视便士，因为一枚便士抵得上五十枚金币。
Itdischarges three times as much water as the St. Lawrnce.
它流出的水量有圣罗伦斯河的三倍那么多。
thechimp has five times as much brain as the elephant
黑猩猩的大脑是大象大脑的5倍
Fivetimes as much, as many, or as large.
五倍的五倍数量或大小的
Itcould cost up to five times as much as a similar Li Ning product.
可能是一对李宁牌同类产品价格的五倍之多。
Soin proportion to its body size, the chimp has four times as much brain as theelephant - more brain for less body.
所以与它的体重比，猩猩的大脑是大象的4倍? 较小的身体有着较大的大脑。
Aswe discussed last time, this means that it will cost us three times as much asbefore,
根据我们上次谈下来的情况，这意味着我们的费用要增加三倍。
Onestudy found that an SUV will release about two times as much carbon dioxide asa car over the life of the vehicle.
一项研究表明，在整个使用寿命期间，一辆SUV的二氧化碳的排放量是普通汽车的两倍。
Youcould be doing three times as much businessas you are now.
这样，你们可能得到的业务会是现在的三倍。
以上就是SAT数学倍数的练习题，大家在备考SAT考试的时候，可以根据自己的实际情况，对SAT考试进行不同程度的准备，以便对SAT考试有更加全面的应对。
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