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高考英语二轮复习
易错点剖析与强化训练
专题三 数词
易错点剖析
易错点剖析
常见基数词和序数词
1
hundred, thousand, million, dozen, score等词前有具体数字时，词尾一般不加-s, 不与of 连用, 但可与many, a few, several等连用。
序数词“first, second, third”单独记；多数序数词是由相应的基数词在词尾加-th。
three thousand books; hundreds of books
易错词：fifth, eighth, ninth, twelfth
the+序数词表示“顺序”；a+序数词表示“又，再”
易错点剖析
分数与百分数
2
表示分数时，分子用基数词，分母用序数词。分子大于1时，在分母后加-s。
分数、百分数+of+名词作主语时，谓语动词的单复数由of后面的名词而决定。
1/2不能用a second, 应用a/one half
年龄、世纪、年代
3
表示“某人多大年龄”用“at the age of+基数词”或“基数词+years old”或“基数词+years of age”
表示“某人几十多岁时”，用in one’s+整十基数词的复数
表示“......世纪年代时”，用in the +世纪年代s /世纪年代’s
易错点剖析
a few, quit a few, many, a good many, a large number of, hundreds of, thousands of, millions of, dozens of, scores of
只修饰可数名词
只修饰不可数名词
a little, quite a little, much, a great of, a large amount of
表示“一些；许多”的短语
4
作主语时，谓语动词用复数
作主语时，谓语动词用单数
即修饰可数名词也可修饰不可数名词
a lot of, lots of, plenty of, some, the rest of 作主语时，谓语动词单复数形式由名词来决定
a large quantity of... 作主语时，谓语动词用单数
large quantities of... 作主语时，谓语动词用复数
A couple in their ________ (seventy) living in London, UK can choose to play golf in council-run courses costing from ￡10 each time.
答案：seventies
解析：考查数词。句意：住在英国伦敦的一对夫妇可以选择在议会经营的球场打高尔夫，每次收费10英镑。
易错点：
对整十基础词复数变法规律掌握不牢，辅音字母加y结尾变y为i,再加-es。
Most Brits spend almost ______（two）as much of their leisure time socializing with others as they do being alone.
答案：twice
解析：考查数词。句意：大多数英国人花在社交上的闲暇时间几乎是独处时间的两倍。
易错点：
倍数表达法：倍数+as+adj./adv.+as；once“一倍”；twice“两倍”；
Water shortage is one of the greatest crises facing us today, with two ______ (three) of the global population living in areas where water is scarce for a month or more every year.
答案：thirds
解析：考查数词。句意：缺水是我们今天面临的最大危机之一，全球每年有三分之二的人口有一个月或更多的时间生活在缺水的地区。分数由基数词（分子）和序数词（分母）构成。。
易错点：
分数表达法掌握不牢。分子大于一时，分母使用序数词复数形式。
The majority of the inhabitants left for the mainland in the early _______(1990).
答案：1990s/1990’s
解析：考查数词。句意：在二十世纪九十年代早期，大多数居民前往大陆。in the early 1990s表示“在20世纪90年代”。
易错点：
牢记年代表达法，易和名词复数所有格混淆，误写为1990s’,
【2024·新课标Ⅰ卷】Further, the Silk Route Garden around the greenhouse walks visitors through a journey influenced by the ancient Silk Road, by which silk as well as many plant species came to Britain for ________ first time.
答案：the 解析：考查和数词相关的固定搭配中的冠词。for the first time是固定搭配，意为“第一次”。故填the。
真题练习
【2022·新课标Ⅰ卷】Covering (cover) an area about three times __________ size of Yellowstone National Park, the GPNP will be one of the first national parks in the country.
答案：the 解析：考查冠词。倍数表达法的结构是"倍数+the size of+名词"，此处应用定冠词。故填the。
真题练习
【2023·新课标Ⅰ卷】The meat should be fresh with ________ touch of sweetness and the soup hot, clear and delicious.
答案：the 解析：考查冠词。本题考查之处也与数量词的固定搭配相关。a touch of 是固定搭配，意为“一点点；稍许”。故填a。
【2023模拟】It is said that the number of people who read physical books is now double ________ it was last year..
答案：what解析：考查倍数表达。句意：据说阅读纸质书的人数是去年的两倍。形容词double表示“两倍的”，所以此处为倍数的表达：倍数 + what从句，一起作表语，what在从句中作表语，指物。故填what。
【2023模拟】In the summer holiday following my ________ (eighteen) birthday, I took driving lessons.
答案：eighteenth解析：考查序数词。句意：在我18岁生日后的暑假里，我上了驾驶课。根据句意可知，此处表示顺序，即第18个生日，故应用序数词。故填eighteenth。
真题练习
强化训练
2. All those second-hand goods are sold at _____ before.
A. 30% as lower price as B. as 30% low price as
C. 30% as low a price as D. 30% lower price than
1. 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
强化训练
答案：B
解析：根据句意可知这里使用倍数的表达，倍数+as+形容词原级+as的结构，修饰population用large不是much. 故选B。
答案：C 解析：这一类型的比较有一固定的公式：倍数+as+形容词+冠词+名词+as。所以选择C。
4. There are ________ doctors in this hospital, and two fifths of them are women doctors.
A. two hundred B. two hundreds C. two hundred of D. two hundreds of
3. It is not rare in ________ that people in ________ fifties are going to the university for further education.
A. 1990s ; the B. the 1990s ; / C. 1990s ; their D. the 1990s ; their
强化训练
答案：D
解析：表示几十年代时用定冠词the+年代的复数;表示几十多岁时,用one’s+几十的复数。此题答案应为D。
答案：A 解析：考查数词。句意"医院里有两百名医生，其中许多是女医生". 数词+hundred"几百"，hundred不用复数形式。 B不正确. hundreds of数百的。前面不跟数词，表示模糊的数字。故选A。
4. There are ________ doctors in this hospital, and two fifths of them are women doctors.
A. two hundred B. two hundreds C. two hundred of D. two hundreds of
3. It is not rare in ________ that people in ________ fifties are going to the university for further education.
A. 1990s ; the B. the 1990s ; / C. 1990s ; their D. the 1990s ; their
强化训练
答案：C解析：考查数词辨析。A. one一个，基数词，表示数量；B. once一次，表示次数；C. first第一，序数词，表示顺序；D. two两个，表示数量。根据上文I’m new可知，我是第一次来。故选C。
答案：C解析：本题考查序数词及节日常识。表示 “第几”要用“定冠词the十序数词”。
强化训练
1. The lady still keeps jogging even in her ________ (ninety).
答案：nineties
解析：考查基数词。句意：这位女士九十多岁了还坚持慢跑。“in one’s+几十的复数形式”为固定搭配，表示“某人的年龄处于某段时间”，ninety的复数形式是nineties。故填nineties。
nineties
2. Much to the couple’s comfort, their income is now double _______ it was five years ago.
答案：what
解析：考查倍数表达的固定句型。句意：令这对夫妇感到欣慰的是，他们现在的收入是五年前的两倍。“A+谓语+倍数+what从句”是倍数表达法之一，句中double为形容词，相当于twice as much as...。故填what。
what
强化训练
3. This website is visited by _______ (billion) of people every day.
答案：billions
解析：考查数词的用法。句意:每天有数十亿人浏览这个网站。billions of表示“数十亿”。故填billions。
billions
4. Two ______(three) of the people who lived there were dead or injured.
答案：thirds
解析：three"三",基数词,在英语中,表示分数时,分母数字用序数词表示,如果分子数字大于一,则分母序数词要加s,故三分之二应译为two thirds。故填thirds。
thirds
强化训练
5. The world's wildlife population has suffered a devastating loss of almost three _______(five) since 1970.
答案：fifths
解析：考查分数表示法。分析句子可知，此处是指“五分之三”。英语中，分数的分子用基数词，分母用序数词，且当分子大于一时，分母要用复数形式。故填fifths。
fifths
6. Today, ________ (billion) of dollars in goods and services are sold online.
答案：billions
解析：考查数词。句意：如今，数十亿美元的商品和服务在网上出售。billion前没有确切的数字时，常用复数形式。类似用法的还有hundred, thousand, million等。故填billions。
billions
强化训练
7. Indonesia, with over 261 million people, is the __________(four) most populous country in the world.
答案：fourth 解析：考査序数词。句意:有超过2.61亿人的印度尼西亚是世界第四人口大国。根据空前的定冠词the判断应填序数词。 故填fourth。
fourth
8. Nearly one ___________ (three) of the nation felt the earth-quake at that time.
答案：third
解析：句意:那时全国接近三分之一的人感觉到了地震。分数的表示方法:分子基数词,分母序数词;分子大于一,分母用复数。故填third。
third
强化训练
9. My uncle’s house in the downtown area is much smaller than ours, but it is twice __________ expensive.
答案：as 解析：句意:我叔叔在市中心的房子比我们的房子要小得多, 但是它的价格却是我们的房子价格的两倍。本题考査比较级。本句使用了“倍数+as... as...”结构,从句子结构和意思看出本句省略了部分内容。故填as。
as
10. Built in the Qing Dynasty, the temple has a history of 300 years, it was restored at the government’s expense in ____________ 1990s.
答案：the 解析：句意为:这座寺庙建于清朝,有300年的历史了。20 世纪90年代在政府的资助下它被修复了。in the 1990s为固定用法,意为"在20世纪90年代”。故填the。
the
强化训练
11. It is said that the number of people who read physical books is now double ________ it was last year.
答案：what 解析：考查倍数表达。句意：据说阅读纸质书的人数是去年的两倍。形容词double表示“两倍的”，所以此处为倍数的表达：倍数 + what从句，一起作表语，what在从句中作表语，指物。故填what。
what
12. In his ________ (thirtieth), he was quite thin and pale and he had red bushy hair.
答案：thirties 解析：考查数词。句意：在他三十多岁的时候，他很瘦，脸色苍白，有一头浓密的红色头发。分析句子结构和意思可知，这里考查数词的用法，表示“在某人几十多岁的时候”用介词短语in one’s+整十的基数词的复数形式。故填thirties。
thirties
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