2022年中考英语专题训练—倍数表达法(word版,含答案和解析)

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名称 2022年中考英语专题训练—倍数表达法(word版,含答案和解析)
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中考专题训练——倍数表达法
1.Our school is _______________yours.(  )
A.two third as big as B.two thirds as big as
C.as two thirds big as
2.As a result of the farmers' hard work, they harvested the wheat this year ____ as they did the year before.(  )
A.twice as much B.as twice much
C.as much twice D.twice so much
3.Your bag weighs ________ than mine .
A.3 times heavier B.3 times heavy
C.3 time heavier D.3 times heaviest
4.After the new type of rice was introduced,the farmers produced rice this year.
A.as twice much as B.twice as much
C.twice much as D.twice as much as
5.We made a survey among 1,000 middle school students about their masks (口罩) for the coming school days. In general, every student will prepare 200 masks for it. The form below shows that the number of each student 's medical masks is ______ as large as that of Kn95 respirators (口罩).(  )
Surgical (外科) masks(medical) Disposable (一次性) masks(medical) Kn 95 respirators
100 50 ?
A.twice B.three times
C.four times
6.﹣﹣﹣ Do you regret (后悔) paying fifty dollars for the book?
﹣﹣﹣ No, I would gladly have paid ______ for it.(  )
A.as much twice B.twice as many
C.twice as much D.twice so much
7.Jack's house is __________ mine.(  )
A.twice big than B.twice as bigger as
C.twice bigger than D.as big as twice
8.The digital TV set you have just bought is ________ mine.(  )
A.as three times bigger as
B.three times the size of
C.three times the size than
D.as three times big as
9.﹣﹣﹣Well done! You have prepared enough food for the trip.
﹣﹣﹣Thank you. But Jane's is ____ours.(  )
A.as many as twice B.as much as twice
C.twice as much as
10.The population of China is about ________ than that of the US.It's not easy to feed so many people.(  )
A.four times more B.fourth time more
C.four times larger D.fourth time larger
11.The population of China is________than the population of Japan.(  )
A.many times as much as
B.a lot of bigger
C.many times larger
12.The number of the students in our school is than in their school.(  )
A.three times more;those
B.three times larger;that
C.three times bigger;the one
13.Your school library is ours.(  )
A.as three times big as
B.as big three times as
C.three times as big as
D.three times so big as
14.My classroom is ______his.(  )
A.three times as big as
B.three times big than
C.as three times big as
15.The United States uses ________ energy as the whole of Europe.(  )
A.as twice B.twice much
C.twice much as D.twice as much
16.Jim's room is ________ than Tom's.(  )
A.three time larger
B.three times as large as
C.three times large
D.three times larger
17.The machine can work _____than that one.(  )
A.hundred of times faster
B.a hundred time faster
C.hundred times faster
D.hundreds of times faster
18.Our school is ______ than yours.(  )
A.four times as big B.bigger four times
C.four times bigger D.four big times
19.Which of the following has a different meaning from the other three?(  )
A.Our classroom is four times as big as their classroom.
B.Our classroom is four times the size of their classroom.
C.Their classroom is four times smaller than our classroom.
D.Our classroom is a quarter of the size of their classroom.
20.We have the same house as my uncle's in the south of the city, but the cost is .(  )
A.twice much as B.twice much
C.as twice D.twice as much
21.After the new technology was introduced, the factory produced cars as it had the year
before.(  )
A.as twice many B.as many twice
C.twice as many D.twice many as
22.Ten years ago the population of our village was that of theirs.(  )
A.as twice large as B.twice as large as
C.twice as much as D.as twice much as
23.Tom runs at a speed of 10 km/h and Renny runs at a speed of 20 km/h.
Which of the following sentence is WRONG?(  )
A.Tom doesn't run so fast as Renny.
B.Renny runs twice faster than Tom.
C.Tom runs less quickly than Renny.
D.Renny runs twice fast as Tom.
24.Staying in a four﹣star hotel for a night costs renting a house in the suburb for a month.(  )
A.twice as much as B.twice more
C.as much as twice D.as much twice as
25.The engineer is considering going to work in Shenzhen, where he can get paid .(  )
A.three times as much B.as much three times
C.much as three times D.as three times much
26.After the new technology was introduced,the factory produced ________ cars in 2010 as the year before.(  )
A.as many twice B.as twice many
C.twice many as D.twice as many
27.Due to the growing pressure of competition in study,students are consuming several years ago.(  )
A.reference books twice as many as those of
B.twice as many reference books as those of
C.double as much as reference books as that of
D.reference books double as much as that of
28.Mike runs _____________than Mary.(  )
A.as fast as
B.three times as fast as
C.three times faster
D.more faster
29.My cousin is ___________than I.(  )
A.three years
B.three years as old as
C.three years older
D.as old as three years
30.The room is that one,so it is also a more comfortable one.(  )
A.twice as big as B.twice as small as
C.twice as heavy as D.as twice big as
31.After the new technique is introduced this year,the factory will produce _______ machines as those of last year.
A.as many twice B.as twice many
C.twice as many D.twice many as
32.This road is__________ that one.
A.four times longer than
B.as four times long as
C.as long four times as
D.longer four times than
33.After the new working system was introduced, the factory produced ______ in 2018 as the year before.(  )
A.TV sets twice as many
B.twice TV sets as many
C.twice as many TV sets
D.twice more TV sets
34.We got to take part in the sports meeting this year as last year, so we added more sporting events.(  )
A.three times more sporting people
B.three times as many people
C.three times people as many
D.three times bigger population
35.Our school is ________ as large as theirs.(  )
A.two B.two time C.twice D.second
36."Three" is three times __________ "one" and twice __________ "one".(  )
A.as much as…as much as
B.as much as…more than
C.more than…more than
D.more than…much as
37.The tree is ______ than that one.(  )
A.three times big B.taller three times
C.three times old D.three times older
38.The new museum is the old one.(  )
A.twice than
B.the same size from
C.as bigger as
D.three times bigger than
39.The earth is about____ as the moon.(  )
A.as fifty time big B.fifty times as big
C.as big fifty times D.fifty as times big
参考答案与试题解析
1.Our school is _______________yours.(  )
A.two third as big as B.two thirds as big as
C.as two thirds big as
【分析】我们学校是你们学校的三分之二大。
【解答】"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"。根据三分之二应表示为two thirds。这里as...as之间用原级,选项B符合题意。
故选:B。
【点评】解答此类试题时,务必根据题目的要求,在准确理解句子意思的前提下,结合倍数表达法准确作答。
2.As a result of the farmers' hard work, they harvested the wheat this year ____ as they did the year before.(  )
A.twice as much B.as twice much
C.as much twice D.twice so much
【分析】由于农民们的辛勤劳动,今年他们收获了比前年多一倍的小麦。
【解答】英语中表达倍数:倍数 + as + 形容词或副词的原级 + as + 其它。
故选:A。
【点评】掌握倍数表达法,结合选项选出正确答案。
3.Your bag weighs ________ than mine .
A.3 times heavier B.3 times heavy
C.3 time heavier D.3 times heaviest
【分析】你的包比我的重 3 倍。
【解答】根据题干和句意,结合关键词 than,可知此题考查形容词比较级。形容词heavy 的比较级为heavier;3 times表示" 3 倍";3 times heavier than
重 3 倍。
故选:A。
【点评】把握句意的基础上,结合语法,做出正确答案。
4.After the new type of rice was introduced,the farmers produced rice this year.
A.as twice much as B.twice as much
C.twice much as D.twice as much as
【分析】引进这种新型水稻后,农民们今年的产量是往年的两倍。
【解答】考查倍数的表达,根据选项可知,正确的表达为倍数+as much as,D项符合题意。
故选:D。
【点评】倍数的表达是常考的知识点,平时应注意学习积累。
5.We made a survey among 1,000 middle school students about their masks (口罩) for the coming school days. In general, every student will prepare 200 masks for it. The form below shows that the number of each student 's medical masks is ______ as large as that of Kn95 respirators (口罩).(  )
Surgical (外科) masks(medical) Disposable (一次性) masks(medical) Kn 95 respirators
100 50 ?
A.twice B.three times
C.four times
【分析】我们在即将开学的1000个中学生中做了一个关于口罩的调查.总体来说,每个学生将要准备200个口罩.下面的表格显示了每个学生医用口罩的数量,医用口罩是Kn95 口罩的3倍。
【解答】根据题干"every student will prepare 200 masks for it."可知每个学生需要准备200个口罩。结合表格可知,外科医用口罩100个,一次性医用口罩是50个,因此Kn95口罩的数量是:200﹣100﹣50=50.医用口罩共有:100+50=150,是Kn95 口罩50的3倍。
故选:B。
【点评】理解题干句意,再结合表格,计算出空白处应选的答案。
6.﹣﹣﹣ Do you regret (后悔) paying fifty dollars for the book?
﹣﹣﹣ No, I would gladly have paid ______ for it.(  )
A.as much twice B.twice as many
C.twice as much D.twice so much
【分析】﹣你后悔花50美元买了这本书吗?
﹣不,我愿意付两倍的价钱。
【解答】根据题干,可知考查倍数的表达法。在as…as结构中,倍数放在前面。此处修饰钱,用much.
故选:C。
【点评】熟悉倍数表达法,结合题意,给出答案。
7.Jack's house is __________ mine.(  )
A.twice big than B.twice as bigger as
C.twice bigger than D.as big as twice
【分析】杰克的房子是我的两倍大。
【解答】根据选项中的than,可知是比较级,房子更大用bigger;twice两倍.
故选:C。
【点评】熟悉倍数表达法,结合题意,给出答案。
8.The digital TV set you have just bought is ________ mine.(  )
A.as three times bigger as
B.three times the size of
C.three times the size than
D.as three times big as
【分析】你刚刚买的数字电视尺寸是我的三倍大.
【解答】本题考查倍数.表达"倍数与adj.比较级/最高级结合"有三种表述:
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".
本题考查的是电视尺寸.
故选:B.
【点评】注意倍数与adj.比较级/最高级结合的运用
9.﹣﹣﹣Well done! You have prepared enough food for the trip.
﹣﹣﹣Thank you. But Jane's is ____ours.(  )
A.as many as twice B.as much as twice
C.twice as much as
【分析】﹣﹣做得很好!你为这个旅行准备了足够的食物.
﹣﹣谢谢,但是Jane的食物是我们的两倍多.
【解答】倍数表达方法:倍数+as+形容词/副词+as+比较对象.题中food是不可数名词,所以要用形容词much.
故选:C。
【点评】熟知倍数的正确表达方法.
10.The population of China is about ________ than that of the US.It's not easy to feed so many people.(  )
A.four times more B.fourth time more
C.four times larger D.fourth time larger
【分析】中国的人口大约是美国人口的四倍。要养活这么多人并不容易。
【解答】根据题干中的than,可知是比较级,人口更多用larger,排除AB;four times四倍,可以修饰比较级,排除D。
故选:C。
【点评】熟悉倍数表达的用法,结合题意,给出答案。
11.The population of China is________than the population of Japan.(  )
A.many times as much as
B.a lot of bigger
C.many times larger
【分析】中国的人口比日本的人口多许多倍.
【解答】考查倍数表达法.在英语中,表达"人口多"用形容词large;根据"倍数+形容词比较级+than…"这个结构可知答案.
故选:C.
【点评】熟知倍数表达法,结合语境,得出答案.
12.The number of the students in our school is than in their school.(  )
A.three times more;those
B.three times larger;that
C.three times bigger;the one
【分析】我们学校学生的数量比他们学校学生的数量多三倍。
【解答】第一个空表示数量多,使用形容词large或者big;第二个空涉及到了比较对象的替代问题,比较对象是The number,可数名词单数形式,使用that替代。
故选:B。
【点评】结合数量多或者少的表示方法及比较级的替代,就能正确选择。
13.Your school library is ours.(  )
A.as three times big as
B.as big three times as
C.three times as big as
D.three times so big as
【分析】你们学校的图书馆是我们学校的三倍大.
【解答】表示倍数的句型可用:1.A+倍数+as+形容词或副词的原级+as+ B" 2.A+倍数+形容词副词比较级+than+B.句子考查的倍数关系使用的是A+倍数+as +形容词或副词的原级+as B句型结构,表示"三倍"用three times表示,因此本题正确答案是C.
故选:C。
【点评】解答本题需掌握倍数的表达方法.
14.My classroom is ______his.(  )
A.three times as big as
B.three times big than
C.as three times big as
【分析】我的教室是他的3倍.
【解答】根据题干可知我的教室是他的3倍,其中three times表示3倍,形容词原级比较是as+形容词+as,其比较级是比较级+than,BC都表述错误.
故选:A.
【点评】本题考查形容词原级和倍数的表达,基础题,掌握相关的知识点是解题的关键,再根据题干及观察选项,用排除法可直接作选择.
15.The United States uses ________ energy as the whole of Europe.(  )
A.as twice B.twice much
C.twice much as D.twice as much
【分析】美国使用的能源是整个欧洲的两倍.
【解答】考查倍数.句意"美国使用的能源是整个欧洲的两倍".倍数+as+形容词原级+as 表示"…的几倍".
故选:D.
【点评】考查形容词原级比较,掌握固定搭配倍数+as+形容词原级+as 表示"…的几倍".结合语境,选择合适答案.
16.Jim's room is ________ than Tom's.(  )
A.three time larger
B.three times as large as
C.three times large
D.three times larger
【分析】略
【解答】D
【点评】略
17.The machine can work _____than that one.(  )
A.hundred of times faster
B.a hundred time faster
C.hundred times faster
D.hundreds of times faster
【分析】这种机器比那种快上百倍.
【解答】句意"这种机器比那种快上百倍.".表示笼统的数字时,用hundreds of数百,后跟可数名词复数,因此A不正确.time表示"倍数"时,是可数名词,因此B不正确.hundred百.不能直接修饰名词,因此C不正确.
故选:D.
【点评】考查数量.要掌握数量的表达法,注意billion million thousand hundred(之前有数字,不用复数),十位和个位要用连字符.百位后加and等.结合语境完成试题.
18.Our school is ______ than yours.(  )
A.four times as big B.bigger four times
C.four times bigger D.four big times
【分析】我们学校比你们学校大四倍.
【解答】考查比较级.句意"我们学校比你们学校大四倍".倍数可以表达为"倍数+形容词比较级 + than".A,B,D不正确.
故选:C.
【点评】考查倍数表达法.这里掌握"倍数+形容词比较级 + than"的固定用法.还有其他倍数表达法需要积累和区分.
19.Which of the following has a different meaning from the other three?(  )
A.Our classroom is four times as big as their classroom.
B.Our classroom is four times the size of their classroom.
C.Their classroom is four times smaller than our classroom.
D.Our classroom is a quarter of the size of their classroom.
【分析】下列哪项的意思与其他三项不同?
【解答】A.我们的教室是他们教室的四倍大。B.我们的教室是他们教室的四倍大。C.他们的教室比我们的教室小四倍。D.我们的教室是他们教室的四分之一大。根据句意可知,D项与其他三项表述意思不同。
故选:D。
【点评】掌握倍数的几种表达用法是解答此题的关键。
20.We have the same house as my uncle's in the south of the city, but the cost is .(  )
A.twice much as B.twice much
C.as twice D.twice as much
【分析】我们在城南有和我叔叔一样的房子,但费用是我叔叔的两倍.
【解答】考查倍数.句意"我们在城南有和我叔叔一样的房子,但费用是我叔叔的两倍".倍数+as+形容词原级+as 表示"……的几倍".
故选:D.
【点评】考查形容词原级比较,掌握固定搭配倍数+as+形容词原级+as 表示"…的几倍".结合语境,选择合适答案.
21.After the new technology was introduced, the factory produced cars as it had the year
before.(  )
A.as twice many B.as many twice
C.twice as many D.twice many as
【分析】略
【解答】C
【点评】略
22.Ten years ago the population of our village was that of theirs.(  )
A.as twice large as B.twice as large as
C.twice as much as D.as twice much as
【分析】十年前我们村的人口是他们村的两倍.
【解答】population往往与large 或small搭配,且形容词比较级的结构之一为:倍数+as+形容词原级+as…,
故选:B.
【点评】要掌握large或small与population的搭配含义,并掌握固定结构倍数+as+形容词原级+as…,根据句意便能得出正确答案.
23.Tom runs at a speed of 10 km/h and Renny runs at a speed of 20 km/h.
Which of the following sentence is WRONG?(  )
A.Tom doesn't run so fast as Renny.
B.Renny runs twice faster than Tom.
C.Tom runs less quickly than Renny.
D.Renny runs twice fast as Tom.
【分析】汤姆以10公里/小时的速度跑, 雷尼以20公里/小时的速度跑。下面哪个句子是错误的?
【解答】根据语境"汤姆以10公里/小时的速度跑, 雷尼以20公里/小时的速度跑。"分析选项:A.Tom doesn't run so fast as Renny. 汤姆不如雷尼跑得快。可知,句子采用"not so...as"结构,符合题意,正确;B. Renny runs twice faster than Tom.雷尼比汤姆跑得快两倍。可知,句子采用"倍数 + 比较级+ than"结构,符合题意,正确;C. Tom runs less quickly than Renny.汤姆不如雷尼跑得快。可知,句子采用"less ... than"结构,符合题意,正确;D. Renny runs twice fast as Tom.雷尼跑的速度是汤姆的两倍。可知,句子采用"倍数 +
as...as"结构,但是少了"as",因此句子表达错误。
故选:D。
【点评】掌握倍数的表达法,以及比较级常用的句型结构,结合语境,分析各个选项,从而确定答案。
24.Staying in a four﹣star hotel for a night costs renting a house in the suburb for a month.(  )
A.twice as much as B.twice more
C.as much as twice D.as much twice as
【分析】在四星酒店住一晚上和在郊区租一个房子住一个月的费用的两倍一样多.
【解答】答案:A; 根据用法表示"…是…倍",由"倍数+as+形容词+as+"结构组成;根据句意,两倍一样多,则为twice as much as,故选A.
【点评】考生注意积累倍数的表达:表示"…是…倍",由"倍数+as+形容词+as+"结构组成
25.The engineer is considering going to work in Shenzhen, where he can get paid .(  )
A.three times as much B.as much three times
C.much as three times D.as three times much
【分析】这位工程师正在考虑去深圳工作,在那里他可以得到三倍的工资。
【解答】倍数可以表达为"倍数+as+形容词或副词+as+其他"。这里省略了as before,用three times as much"三倍"。
故选:A。
【点评】掌握倍数表达法的结构"倍数+as+形容词或副词+as+其他",结合语境,分析选项,选择合适答案。
26.After the new technology was introduced,the factory produced ________ cars in 2010 as the year before.(  )
A.as many twice B.as twice many
C.twice many as D.twice as many
【分析】引进新技术以后,这家工厂在2010年生产的汽车是前一年的两倍.
【解答】根据the factory produced __cars in 2010 as the year before,可知工厂在2010年生产的汽车是前一年的两倍,这里考查了倍数表达法:倍数+as形容词/副词原级as…
,倍数要放在as的前面.本题的many修饰cars.选项ABC都不符合.故选:D。
【点评】本题考查了量词中倍数表达法.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".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".
27.Due to the growing pressure of competition in study,students are consuming several years ago.(  )
A.reference books twice as many as those of
B.twice as many reference books as those of
C.double as much as reference books as that of
D.reference books double as much as that of
【分析】由于在学习上竞争的压力越来越大,学生们使用参考书是几年前的两倍。
【解答】根据选项结构和语境"由于在学习上竞争的压力越来越大,学生们使用参考书是几年前的两倍。"可知,句子采用倍数表达法,即"主语+ be/do + 倍数+ as + adj/adv + as + 另一比较对象。","reference books "是可数名词复数,因此用many修饰和用"those"代替,因此是"twice as many reference books as those of"。
故选:B。
【点评】掌握倍数的表达法,结合语境,给出答案。
28.Mike runs _____________than Mary.(  )
A.as fast as
B.three times as fast as
C.three times faster
D.more faster
【分析】迈克跑得比玛丽快三倍.
【解答】考查倍数.这里表示倍数,结构是:倍数+形容词(或副词)的比较级+than+其他.
故选:C.
【点评】考查倍数,结构是:倍数+as+形容词或副词的原级+as+其他.倍数+形容词(或副词)的比较级+than+其他.结合语境,完成试题.
29.My cousin is ___________than I.(  )
A.three years
B.three years as old as
C.three years older
D.as old as three years
【分析】我表哥比我大三岁。
【解答】"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"。根据句中的than 可知用比较级 older,three years older than...表示比……大三岁。
故选:C。
【点评】学习过程中注意掌握比较的相关知识。
30.The room is that one,so it is also a more comfortable one.(  )
A.twice as big as B.twice as small as
C.twice as heavy as D.as twice big as
【分析】这个房间是那个房间的两倍大,所以它也更舒适。
【解答】根据题干,可知考查倍数的表达。由so it is also a more comfortable one,推出这个房间是那个房间的两倍大,所更舒服。twice as…as,表示……的两倍……,选项A表达正确。
故选:A。
【点评】熟悉倍数的表达方式,结合题意,给出答案。
31.After the new technique is introduced this year,the factory will produce _______ machines as those of last year.
A.as many twice B.as twice many
C.twice as many D.twice many as
【分析】今年新技术被引进后,这家工厂生产的机器将是去年的两倍。
【解答】根据句子结构,可知句子运用了倍数作比较,结合倍数的表达结构:主语+ be+ 倍数 + as +adj+ as + 另一比较对象,因此是"twice as many"。
故选:C。
【点评】掌握倍数的表达法,结合题干结构,给出答案。
32.This road is__________ that one.
A.four times longer than
B.as four times long as
C.as long four times as
D.longer four times than
【分析】这条路比那条路长四倍。
【解答】考查倍数表达法.在英语中,根据"倍数+形容词比较级+than…"这个结构可知答案是A.
故选:A。
【点评】熟知倍数表达法,结合语境,得出答案.
33.After the new working system was introduced, the factory produced ______ in 2018 as the year before.(  )
A.TV sets twice as many
B.twice TV sets as many
C.twice as many TV sets
D.twice more TV sets
【分析】新工作制度实施后,该厂在2018年的电视机产量是前一年的两倍.
【解答】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TV sets.
故选:C.
【点评】倍数表达要牢记,倍数表达法是英语教学的重点,也是中考的热点.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".
34.We got to take part in the sports meeting this year as last year, so we added more sporting events.(  )
A.three times more sporting people
B.three times as many people
C.three times people as many
D.three times bigger population
【分析】今年参加运动会的人数是去年的三倍,所以我们增加了更多的体育赛事.
【解答】倍数表达法可以用"基数词+times+as+形容词…+as"或"基数词+times+比较级+than",这里用three times as many people"三倍的人".
故选:B.
【点评】掌握倍数表达法的固定搭配,结合语境,分析选项,选择合适答案.
35.Our school is ________ as large as theirs.(  )
A.two B.two time C.twice D.second
【分析】我们的学校是他们的两倍大.
【解答】two是基数词,表示二.two times表示两倍、两次.twice表示两次、两倍.second表示是序数词,第二.根据题干可知我们的学校是他们的两倍大,two times或者twice表示两倍.
故选:C.
【点评】本题考查倍数,基础题,掌握常见的数词用法是解题的关键,再根据题干即可作出选择.
36."Three" is three times __________ "one" and twice __________ "one".(  )
A.as much as…as much as
B.as much as…more than
C.more than…more than
D.more than…much as
【分析】三是一的三倍,且比一大两倍。
【解答】句意"三是一的三倍,且比一大两倍。"as much as"和......一样多";more than"多于......"。
故选:B。
【点评】掌握倍数的用法是解题关键。
37.The tree is ______ than that one.(  )
A.three times big B.taller three times
C.three times old D.three times older
【分析】这棵树比那棵树要大三倍.
【解答】than表示比,则此处应用形容词比较级,则可先排除AC选项.其次three times表示3倍,倍数用于比较级之前.
故选:D.
【点评】本题要求学生掌握倍数及比较级的用法,再根据题干即可作出选择.
38.The new museum is the old one.(  )
A.twice than
B.the same size from
C.as bigger as
D.three times bigger than
【分析】新博物馆比旧博物馆大三倍.
【解答】twice than没有这种形式.the same…as固定搭配.as…as中间用形容词原级.倍数表达法:倍数+比较级+than;倍数+ as+原级+ as;倍数+the+名词+of.这里用倍数"three times",比较级"bigger"+than.
故选:D.
【点评】掌握倍数表达法的几种固定搭配,结合语境,分析选项,选择合适答案.
39.The earth is about____ as the moon.(  )
A.as fifty time big B.fifty times as big
C.as big fifty times D.fifty as times big
【分析】地球大约是月球的五十倍大。
【解答】根据be about大约;as...as和……一样。结合选项可推测句意为地球大约是月球的50倍大。分析句子结构可知需用根据句意地球大约是月球的50倍大。可知需用同级比较句型,即as+形容词+as,构成和......一样......的结构。同时,表示倍数的词fifty times应放在同级比较句型的前面。运用的倍数表达法是常规句型"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"。
故选:B。
【点评】学习过程中注意掌握倍数表达常规句型。
日期:2022/3/13 11:45:43;用户:大集中学;邮箱:djxx@;学号:38343044