高考英语知识点专项之语法--11数词量词（含详细解析）

高考英语知识点专项之10动词（动词短语）—数词/量词（含详细解析）
一、单项选择
1．_______ people in the world are sending information by e-mail every day.
A.Several million B.Many millions
C.Several millions D.Many million
2．It is reported that the United States uses ______ energy as the whole of Europe.
A. as twice B. twice much C. twice much as D. twice as much
3． After the new equipment was introduced, they produced ______machines this year as the year before.
A. as twice many B. as many twice
C. twice as many D. twice many as
4．With prices rising sharply, we now have to spend _______ three months ago on basic living materials.
A. as twice much as B. twice as much as
C. twice as more than D. twice as many as
5．There are two thousand students in this college, ______ are from the countryside.
A. one-third of them B. one-third of which
C. one-third of whom D. one-third in which
6．Every morning Mr. Smith takes a ______ to his office.
A．20 minutes’ walk 　B．20 minute’s walk C．20-minutes walk 　D．20-minute walk
7．You are ______ to be hit by lightning ______be attacked by a shark, so don’t be frightened by sharks.
A. more likely 30 times; than B. 30 times as likely; than
C. 30 times as more likely; as D. 30 times as likely; as
8．______jobs will be lost if the company closes down.
A. Hundred of?????????? B. Five hundred of???? C. Hundreds of?????????D. Five hundreds of
9．Peter was ______ to come to school this morning.
A. a second??? ?B. the second?C. a No. two?? ?D. the two
10．. Which of the following is wrong?
This book is easy enough for ______.
A. a six-year-old child??B. a child of six years old?
C. a child aged six??D. a six years old child
11．More than five doctors and rescuers have got to Yushu County up to now.
A．thousand B．thousands
C．thousand of D．thousands of
12．____people _____were killed or injured reached more than 400,000
A. The number of ,who???? B. A great number of, who
C. The number of, which?? D.A great number of, whom
13．They sold ______ boxes of such sweets last week.
A. four dozens of B. four dozen C. four dozen of D. four dozens
14．It is reported that _______ the young, with their parents working in distant cities, suffer from a sense of loneliness.
A. the most of B. the majority of C. the number of D. a large amount of
15．________ of the land in that district(地区) _______ covered with trees and grass.
A．Two fifth; is B．Two fifth; are
C．Two fifths ; is D．Two fifths; are
16．After the new technique was introduced，the factory produced ________ cars in 2011 as the year before.
A. as twice many B. as many twice C. twice as many D. twice many as
17．Many _______ of years later, the first extremely small plants began to appear on the surface of the water.
A. millions B. million C. million of D. millions of
18．— Have you taken the picture of me with the elephant?
— Hang in there! I'll take ________ two of you.
A. the other B. other C. any other D. another
19．The newly built dining hall ,which is ______the old one., will open to students next Sunday.
A. as three times large as???B. three times larger than
C. larger three times than???D. three times as larger as
20．The new stadium being built for the next Asian Games will be ______the present one.
A. as three times big as B. three times as big as
C. as big as three times D. as big three times as
21． Paper bags produced every year are ______ the world’s production of vehicles.
A. as three times heavy as　 B. three times weight of
C. three times the weight of D. three times as heavier as
22．A computer costs about ______ of a typewriter.
A. the nine-time price B . nine times price
C. the nine times price D. nine times the price
23．Believe it or not, the ancient Chinese painting is worth more than _____ dollars!
A. two million B. two million of C. two millions D. two millions of
24． Much to her delight, three _________ neighbors showed up and several of them even brought with them some candies and cookies.
A. dozens B. dozen C. dozen of D. dozens of
25．—What is the date today?
— It is _______.
A. Monday B. May 1th C. May 1st D. Children’s Day
26．—Which module is the most difficult in this book?
— I think _____ module.
A. ninth B. the ninth C. ninth D. the ninth
27．This restaurant wasn’t_________ that other restaurant we went to.
A half as good as B as half good as C as good as half D good as half as
28．I think this bike is a little better than that one, but the shopkeeper charged me almost_______ for it.
A. as many twice B. twice as many
C. twice as much D. as much twice
29．About ____ gene-targeting drugs are already in testing pipeline. It won’t be long ____ they are put into effect.
A. two dozen; before B. two dozens; that C. two dozens of; before D. dozens; that
30．All those second-hand goods are sold at before．
A．30％as lower price as B．30％as low a price as
C．as 30％low price as D．30％lower price than
31．The city of Chengdu has grown so fast that it's at least ______ what it used to be．
A．five times the size of B．five times the size as large as
C．five times larger D．five limes size as
32．After the new technique was introduced, the factory produced _____ cars in 2010 as the year before.
A． as twice many B．as many twice C．twice as many D．twice many as
33．---What do you know about Russia?
----So far as I know, it is _______the United Kingdom.
A. as seventy times the size of B. the seventy times size of
C. seventy times as the size of D. seventy times the size of
34．He is an tourist and he has interesting experiences.
A. experienced; a great many of B. experienced; a great deal of
C. experiential; a great deal of D. experienced; a great many
35．__________of the land in that district __________ covered with trees and grass．
?? A．Two fifth; is?????? B．Two fifths; is????? C．Two fifth; are??? ? D．Two fifths; are
36．______ of the earth’s surface ______ covered with water.
A Two-third; is B Two-third; are C Two-thirds; is D Two-thirds; are
37．Mary’s skirt looked just the same as Joan’s, but it cost __________ hers.
A. as much twice as B. twice as much as C. much as twice as D. as twice much as
38． 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 much B. as much three times
C. much as three times D. three times as much
39．In China graduates go abroad to have a further study every year.
A. a great deal of B. the number of
C. many a D. a great many
40． You’d better go there by train. The train ticket is ________ the plane ticket.
A. as cheap three times as
B. as three times cheap as
C. three times cheaper than
D. cheaper three times than
41．______of the people on the Net _____ WenZhou will recover from the loan crisis(借贷危机) in time.
A．Four-fifth；believes　　　 B．Four-fifth；believe
C．Four-fifths；believe　　　 D．Four-fifths；believes
42．It is said that people are likely to tell lies over the phone as they are in emails.
A. as twice B. twice as C.twice more D. twice than
43．With prices rising sharply, we now have to spend _______ three months ago on basic living materials.
A. as twice much as B. twice as much as
C. twice as more than D. twice as many as
44．This year the company has produced as many cars as the year before last, but the total profits are four-fifths ______ they were then.
A. that B. what C. which D. when
45．---Where is the nearest hospital?
--- Not very far. It is _________.
within an hour’s flying time B. within 10 minute’s walk
C. within 5 minutes’ drive D. within 10 minutes walk
46．Up to now, large quantities of food to Africa to save the starving people.
A. has been sent B. have been sent C. are sent D. is sent
47． The production of the factory has grown to _____ in 1999.
A. twice as it was B. twice what it was C. as twice as it was D. twice that it was
48．The newly-built lab is ______ the old one.
A. three times so big as B. as three times big as
C. three times bigger than D. three times the size
49．The house rent is expensive. I’ve got about half the space I had at home but I have to pay_______here.
A. as three times much B. as much three times
C. much as three times D. three times as much
二、信息匹配
50．Two score years age he lived in Shen Yang.
A B C D
参考答案
1．A
【解析】
试题分析：如果在million前有具体数字或several等词时,要用单数形式.many一般不与million等数词连用,表示"数百万",英语为millions of.句意：世界上好几百万人每天都通过电子邮件发送信息。故A正确。
考点：考察数词用法
点评：通常在hundred，million等单位名词如果有确定的数字时，后面的单位名词使用单数形式。Several的用法也是一样。
2．D
【解析】
试题分析：考查倍数：倍数的结构是：倍数+as+adj+as…,有时adj后面可以接名词，句意：据报道美国使用的能源是整个欧洲的两倍。选D。
考点：考查倍数表达法
点评：倍数表达要牢记，倍数表达法是高中英语教学的重点，也是历届高考的热点。当我们要表达甲是乙的几倍时，通常用句型来表示： “A+倍数+形容词或副词的比较级+than+B”，表示“A比B大（长、高、宽等）多少倍”。2.“A+倍数+as+形容词或副词的原级+as+B”，表示“A正好是B的多少倍”。 3. “A+倍数+the size /height /length /width，+of+B”，表示“A正好是B的多少倍”。4.“……times+what+从句”。还要特别注意：as/how/so/too这几个词都是先加adj再加冠词然后是名词的搭配。
3．C
【解析】本题考查倍数表达方式。其结构是：倍数 +as...as...。句意为“引进新设备以后，他们今年生产的机器是前一年的两倍”。
4．B
【解析】考查倍数表达。固定结构：A is 倍数 as 形容词/副词（原级）as B ;句意：随着价格的迅速上涨，我们现在不得不花3个月前2倍的钱在在基本的生活材料上。
5．C
【解析】考查定从。先行词是students指人，所以关系代词要用whom；选C。
6．A
【解析】考察构词法。句意：每天早晨史密斯先生步行20分钟到他的办公室。Minute是可数名词，本句中需加s。当几个英文单词由短横线连接表示一个整体意思时，其中每个单词都要用原形。选项D20-minute后面需要变成名词所有格形式，故只有选项表达正确，选A。
7．D
【解析】考查倍数的表达：倍数+as+adj+as或倍数+比较级+than，符合的是D项，句意是：你被闪电击中的机会是被鲨鱼袭击的30倍。选D。
8．C
【解析】考查数词。表示“许多”，用hundreds of??，用复数形式，前不加数词。句意：如果公司关闭，许多人将失去工作。
9．B
【解析】考查顺序表达。句意：今天早晨彼得是第二个到校。英语中顺序的表达方法是：冠词加序数词和No.加基数词，选项中只有B格式正确，故选B。
10．D
【解析】
11．A
【解析】
试题分析：考查具体数字的表达法。“数词+dozen,thousand，hundred，million等数量词表确切数字。不加s，不加of。故选答案A。但表约数时加s，加 of。如 hundreds of“数以百计的，好几百的”，thousands of数千的。句意：目前有超过五千个医生和营救者到达玉树。
考点：考查具体数字的表达法。
12．A
【解析】
试题分析：句意，死亡和受伤的人超过了400,000人。表示……的数量，用The number of；这个句子中包含一个定语从句，且关系词在定语从句中作主语，指人，故用who?。
考点：The number of与A great number of用法的区别以及定语从句的考查
点评：The number of表示……的数量，A great number of表示许多，大量的；定语从句（Attributive Clauses）在句中做定语，修饰一个名词或代词，被修饰的名词，词组或代词即先行词。定语从句通常出现在先行词之后，由关系词（关系代词或关系副词）引出。解答这类题目，分析句子结构是关键。看关系词在定语从句中担当什么成分，以及实际意义来选择正确的关系词。
13．B
【解析】
试题分析：dozen与数词连用时，不加s，且不与of连用，故选B。
考点：
点评：关于dozen的复数是否加词尾-s的问题比较复杂，大致原则是：当它与具体数字连用时，既不加复数词尾-s，也不后接介词of。
14．B
【解析】
试题分析：考查数词。the majority of大多数；the number of……的数目；a large amount of大量的，接不可数名词。句意：据报道，大多数青少年，他们的父母在遥远的城市工作，遭受孤独之苦。
考点：数词
点评：掌握数词短语的辨析以及其后接可数还是不可数名词，要注意most of表示“大多数”前不加定冠词。在学习过程中还需要了解这些词后面的主谓一致方面的知识。
15．C
【解析】
试题分析：考查分数百分数和主谓一致。在分数中，当分子大于一的时候，分母使用序数词的复数形式。故五分之二使用Two fifth。当分数做主语的时候，谓语动词的单复数根据后面的名称，如果名词是可数名词复数形式，谓语动词用复数，如果后面的名词是不可数名词，谓语动词用单数。本题后面是不可数名词land，故C正确。
考点：考查分数百分数和主谓一致。
点评：。在分数中，当分子大于一的时候，分母使用序数词的复数形式。故五分之二使用Two fifth。当分数做主语的时候，谓语动词的单复数根据后面的名称，如果名词是可数名词复数形式，谓语动词用复数，如果后面的名词是不可数名词，谓语动词用单数。
16．C
【解析】考查倍数表达法。倍数表达法：倍数 as 形容词原级 as…；本题名词为cars，使用many修饰。故C正确。句意：在新的激素被引进以后，这家工厂2011年生产的汽车是前年的2倍。
17．A
【解析】本题考查数词。Millions of上百万的，许许多多的;因为横线后面有of，排除D项。句意：上百万年之前，第一个极其小的植物开始出现在水面上。
18．D
【解析】固定用法。Another 数词+名词=数词+other/more 名词 意为：另外…,再…；句意：—你帮我拍了我和大象的照片了吗？—站在这里，我再给你拍两张。
19．B
【解析】
试题分析： 考查倍数与比较级的运用。 表示倍数的比较级用法：1. A is …times the size /height/length/width of 2. ?A is …times as big /high/long/wide/large as B. 3. A is …times larger /higher/longer/wider than B。根据题意，这个新餐厅是旧的三倍大，将会在下个周日向学生开放。故选B项。
考点 倍数的比较级用法。
20．B
【解析】
试题分析：考查倍数表达法。句意：为下届亚运会在建的新体育馆将是现在体育馆的三倍大。英语中的倍数表达法有三种形式：①A be + 倍数 + as + adj + as + B，意为：A是B的多少倍。如：Our classroom is three times as large as our teachers’office.我们的教室是老师办公室的三倍。②A be + 倍数 + the + n. + of B，意为：A是B的多少倍。如：Our classroom is three times the size of our teachers’office.③A be + 倍数 + adj比较级 + than + B，意为：A比B的大/小等多少倍。如：Our classroom is twice larger than our teachers’office。故B正确。
考点：考查倍数表达法的用法。
21．C
【解析】
试题分析：考查倍数的表示方法。倍数放在as...as, the +名词+of, 比较级的后面，排除A、D；the weight of...“......的重量”，故选C。
考点：考查倍数的表示方法
22．D
【解析】
试题分析：电脑的价格大约是打字机的九倍。本题考查倍数的表示法：倍数+the+名词of…。常用的名词用length, depth, width, height, size等。
考点： 倍数的表示法。
23．A
【解析】
试题分析：考查数词：句意：信不信由你，这个古代的中国绘画值200多万美元。数词million，thousand，hundred等前面有具体的数字的时候，它们不用复数，后面也不加of，millions of “数百万的”，选A。
考点：考查数词
24．B
【解析】
试题分析：考查数词：句意：使我高兴的是，60个邻居出现了其中有几个人甚至带来一些糖果和曲奇。Dozen“一打”，前面有具体的数字，dozen不加复数，选B。
考点：考查数词
25．C
【解析】
试题分析：考查日期的表达：句意：今天的日期是什么？--是五月一号。日期的表达是：月份+序数词，第一“the first”first缩写成1st，选C。
考点：考查日期的表达
26．B
【解析】
试题分析：考查序数词：句意：--这本书最难的模块是哪个？--我想是第九模块。The+序数词，选B。
考点：考查序数词
27．A
【解析】
试题分析：考查倍数考查。倍数表达有四种：1. “A+倍数+形容词或副词的比较级+than+B”， 2.“A+倍数+as+形容词或副词的原级+as+B”， 3. “A+倍数+the size/height/length/width， etc+of+B”， 4. “……times+what+从句”。本题中的half也是倍数；考查了第2种倍数表达法。句意：这家餐厅不如我们去的另外一家餐厅一半好。故A正确。
考点：考查倍数表达法
点评：倍数表达要牢记，倍数表达法是高中英语教学的重点，也是历届高考的热点。当我们要表达甲是乙的几倍时，通常用句型来表示：
1. “A+倍数+形容词或副词比较级+than+B”，表示“A比B大（长、高、宽等）多少倍”
This rope is twice longer than that one. 这根绳子是那根绳子的两倍长（比那根绳子长一倍）。
2.“A+倍数+as+形容词或副词的原级+as+B”，表示“A正好是B的多少倍”。如：
Asia is four times as large as Europe. 亚洲的面积是欧洲的四倍。
3. “A+倍数+the size/height/length/width， etc+of+B”，表示“A正好是B的多少倍”。如：
This street is four times the length of that one. 这条街是那条街的四倍长。
4. “……times+what+从句”。如：
The production is now three times what it was ten years ago. 现在的产量比十年前增加了两倍。
28．C
【解析】
试题分析：考查倍数表达法。首先本句中是对自行车的价格进行说明的，故使用much进行修饰；倍数表达法有4种，都需要把倍数放在最前面。句意：我认为这种自行车比那种好一点点。但是销售员向我的要价是那一种的2倍。本题考查的是twice as much as that one。故C正确。
考点：考查倍数表达法
点评：点评：倍数表达要牢记，倍数表达法是高中英语教学的重点，也是历届高考的热点。当我们要表达甲是乙的几倍时，通常用句型来表示：
1. “A+倍数+形容词或副词的比较级+than+B”，表示“A比B大（长、高、宽等）多少倍”。如：
This rope is twice longer than that one. 这根绳子是那根绳子的两倍长（比那根绳子长一倍）。
2.“A+倍数+as+形容词或副词的原级+as+B”，表示“A正好是B的多少倍”。如：
　Asia is four times as large as Europe. 亚洲的面积是欧洲的四倍。
3. “A+倍数+the size/height/length/width， etc+of+B”，表示“A正好是B的多少倍”。如：
This street is four times the length of that one. 这条街是那条街的四倍长。
4. “……times+what+从句”。如：
The production is now three times what it was ten years ago. 现在的产量比十年前增加了两倍。
29．A
【解析】
试题分析：句意：大约有12个基因有关的药物已经在测试中。在他们付诸实施之前不会很长时间的。dozen前有具体数字时，不加s,不加of,表虚数可指时加“s”，加“of”。第二空根据句意判断。故选A
考点：dozen一词
点评：dozen与score，hundred，thousand，million极为相似，所以这里将它们放在一起叙述：当这些词与具体数字连用时，不用复数形式，也不后接介词of。当这些不与具体数字连用，而是表示不确定的泛指数，则不仅要用复数形式，而且要后接介词 of，然后才能后接名词。当这些词与 a few，several，many 等数目不很具体的词连用时，用不用复数形式均可，但是注意：不用复数形式，其后的介词of可以省略；用复数形式，其后介词 of不能省略。当这些词后面的名词有了the，these，those 等特指限定词修饰时，或其后的接的是us，them这样的人称代词时，则此时必须用介词 of
30．B
【解析】
试题分析：考查倍数被动法。本句中的30％也是倍数的一种表达。倍数表达有三种：1. “A+倍数+形容词或副词的比较级+than+B”， 2.“A+倍数+as+形容词或副词的原级+as+B”， 3. “A+倍数+the size/height/length/width， etc+of+B”， 4. “……times+what+从句”。句意：所有这些二手车都是以以前的价格的百分之30出售。
考点：
点评：倍数表达要牢记，倍数表达法是高中英语教学的重点，也是历届高考的热点。当我们要表达甲是乙的几倍时，通常用句型来表示：
1. “A+倍数+形容词或副词的比较级+than+B”，表示“A比B大（长、高、宽等）多少倍”。如：
This rope is twice longer than that one. 这根绳子是那根绳子的两倍长（比那根绳子长一倍）。
2.“A+倍数+as+形容词或副词的原级+as+B”，表示“A正好是B的多少倍”。如：
　Asia is four times as large as Europe. 亚洲的面积是欧洲的四倍。
3. “A+倍数+the size/height/length/width， etc+of+B”，表示“A正好是B的多少倍”。如：
This street is four times the length of that one. 这条街是那条街的四倍长。
4. “……times+what+从句”。如：
The production is now three times what it was ten years ago. 现在产量比十年前增加了两倍。
31．A
【解析】
试题分析：考查多个限定词的位置，限定描绘大长高， 形状年龄和新老； 颜色国籍跟材料，作用类别往后靠；其中，“限定词”包括：冠词、物主代词、指示代词、或数词，它位于各类形容词前。它本身分为三位，即：前、中、后。前位限定词有all、half、both、分数和倍数；中位限定词有冠词、指示代词、物主代词等；后位限定词有基数词和序数词，但序数词位于基数词前。如:both my hands、all half his income等。“描绘”性形容词如：beautiful、bad、cold、great等。“大长高”表示大小、长短、高低等一些词。表示“形状”的词如：round square等。“国籍”指一个国家或地区的词。“材料”的词如：wooden, woolen, stone,silk等。“作用类别”的词如：medical, college，writing desk，police car等。本题的序数词last放在few前面，后面接sunny是描述性的形容词。所以选A
考点：考查多个限定词的位置
点评：本题较难，注意序数词放在基数词的前面，另外限定描绘大长高， 形状年龄和新老； 颜色国籍跟材料，作用类别往后靠；这个口诀要牢记。
32．C
【解析】
试题分析：考查倍数表达法。倍数表达法：倍数+as形容词/副词原级as…倍数一直放在as的前面。本题的many修饰cars。句意：在新的技术被引进以后，2010年这家工厂生产的汽车是以前的2倍。故C正确。
考点：考查倍数表达法
点评：倍数被动法中要特别注意倍数永远都放在最前面，另外还要注意形容词后面修饰的名词可以直接放在as…as之间。
33．D
【解析】考查倍数表达法。倍数表达法：倍数 the+名词+of ；句意：—你了解俄罗斯吗？—据我所知，它是英国的70倍大。故D正确。
34．D
【解析】考查experience用法。形容词experienced有经验的，修饰名词tourist，指有经验的游客。第二空后面的experiences是可数名词复数形式，用a great many修饰可数名词复数。A项多of.
35．B
【解析】考查主谓一致。分数或百分数+名词做主语时，谓语要和of后面的名词保持一致，题中the land为不可数名词，故谓语用单数形式，Two fifths五分之二，故选B。
36．C
【解析】略
37．B
【解析】
试题分析：考查倍数表达：句意：玛丽的裙子看上去和琼的一样，但是花了她两倍的价格。倍数的表达是：倍数+as+adj+as，选B。
考点：考查倍数表达
38．D
【解析】
试题分析：考查倍数表达法。句意：这所房子房租太贵了，这房子的面积是我家里的房子一半大小可我却要为它付（我家里的房子的）3倍的价钱。三倍可表达为.three times as much as，而本句省略了as, 当说话人和听者明白比较的对象是什么时第二个as 可省,所以D正确。,考点：考查倍数表达法
39．D
【解析】本题考查“许多”的表达方式。。句意为：在中国，每年都有很多毕业生到国外深造。a great many “许多的”，修饰可数名词，符合题意。a great deal of只修饰不可数名词；many a后只接单数名词。
40．C
【解析】考查倍数表达。倍数表达的基本结构：
1. “A+倍数+形容词或副词的比较级+than+B”，表示“A比B大（长、高、宽等）多少倍”。
2.“A+倍数+as+形容词或副词的原级+as+B”，表示“A正好是B的多少倍”。
3. “A+倍数+the size/height/length/width， etc+of+B”，表示“A正好是B的多少倍”。
4. “……times+what+从句”。
选项ABD结构有误，故选C。
41．C
【解析】本题考查分数和主谓一致。Four-fifths的意思是五分之四，分数表达，分子为一时，分母用单数，分子大于1时，分母用复数。分数+of +名词作主语，谓语动词与名词保持一致，此处是people故用原形而不用第三人称。
42．B
【解析】考查倍数表达法。根据后面的as可知这里使用的：倍数 as ….as….这个结构。
句意：据说人们在电话里要比在邮件中说谎的几率大两倍。
43．B
【解析】考查倍数表达法。因为此处spend的宾语是指钱，所以选择much，as与as之间用的形容词的原级，故排除C,D。倍数必须放置于句型之前，排除A
44．B
【解析】考查倍数表达。实际上也是考查表语从句，what引导表语从句what they were并在句中做were的表语。句意：今年这家公司生产的汽车和前年一样多，但是利润只有那时的五分之四。
45．C
【解析】within 5 minutes' drive 意为五分钟的车程内 A 5小时的飞行时间，明显与not very far相矛盾 B.D应为within 10 minutes' walk
46．B
【解析】考查固定结构。large quantities of +n做主语时，谓语动词一直用复数。根据up to now,与完成时连用。
47．B
【解析】
试题分析：考查倍数的表示方法。句意：工厂的产量是1999年的两倍。倍数放在比较级和as...as的前面，不能放在as...as之间，排除C；that在名词性从句中不作成分，而was缺少表语，排除D；as不引导宾语从句，排除A。用what作was的表语。故选B。
考点：考查倍数的表示方法
48．C
【解析】
试题分析：考查倍数的表达：句意：新建的实验室是旧的三倍。这里用的倍数的表达是：倍数+比较级+than的结构，表示倍数的词放在最前面，所以B错误，A错误，因为在肯定句的时候，用as as，否定句的时候采用not so as，D项使用倍数+名词+of的结构，这里少介词of，选C。
考点：考查倍数的表达
49．D
【解析】
试题分析：考查倍数和比较等级。句意：房租很高。我付三倍于家里的房租，才得到一半的空间。倍数必须放在比较级或as...as的前面，排除A、B、C。故选D。
考点：考查倍数和比较等级
50．A Two score—Two scores of
【解析】短语搭配。