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1、核心考点精讲针对性练习20142018年安徽中考数词考点分布年份题号考点分值难易程度20142018/0/2018年安徽纲要附录语法项目表数词就是用于表示数目的多少或顺序先后的词,分为基数词和序数词两种。表示数量的数词是基数词;表示顺序的数词是序数词。安徽近五年来中考试题的单项选择中没有涉及对数词的考查,但数词是语法中的一个重点,考生还是很有必要掌握这一知识点的。特别是序数词、hundred等词的用法及分数的表达方式,也是近几年全国中考试题的一个命题点。预计2019年安徽中考对数词的考查概率依然很小。如果考查,那么所考查的知识点仍然是分数、百分数或时间的可能性比较大,另外还需要掌握数词的几种用
2、法。核心考点精讲考点一:基数词基数词的构成:1112独立成词。one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve。21319的基数词以teen结尾。要注意thirteen,fifteen,eighteen的拼写。3表示整“十”的基数词:2090的基数词都以ty结尾。其中特别要注意twenty,thirty,forty,fifty,ninety的正确写法。42199的写法是:十位数加个位数,中间用连字符号“”连接。26 twentysix;57 fiftyseven5101999的构成是:百位数与十位数之间用and连接。1
3、23 one hundred and twentythree 6hundred,thousand,million,billion等词在表示确定数目的时候,直接在前面加基数词;表示不确定的数目时,要在它们后面加s,其后还要加of。three hundred students三百名学生thousands of students成千上万的学生 71000以上基数词的表示方法:从右向左用分节号分节,每3个数字为一个节,第一个分节号前用thousand,第二个分节号前用million,第三个分节号前用billion。【典例解析】(2018青岛)Its my daughters birthday toda
4、y.Shes _ years old.AeighteenBeighteenth Cthe eighteenDthe eighteenth【解析】考查数词。这里是用基数词来表达年龄的用法,因此用基数词eighteen。【答案】A考点二:序数词first1st第1twentyfirst21st第21second2nd第2thirtieth30th第30third3rd第3thirtyninth39th第39fourth4th第4fortieth40th第40fifth5th第5fiftieth50th第50sixth6th第6sixtieth60th第60seventh7th第7seventiet
5、h70th第70eighth8th第8eightieth80th第80ninth9th第9ninetieth90th第90tenth10th第10hundredth100th第100eleventh11th第11one hundred101st第101twentieth20th第20and first【典例解析】(2018遂宁)Its_time for me to visit the Guanyin Lake.AfiveBthe fiveCfifth Dthe fifth【解析】考查序数词。句意为:这是我第五次参观观音湖。“第五”的序数词是fifth,序数词在使用时,通常前面要加定冠词the,
6、故选D。【答案】D考点三:数词的常见用法用法例词或例句句法功能主语It is said that thirteen is an unlucky number.The first day of May is International Labour Day.宾语It is worth three hundred.He was among the first to arrive.定语There are only three boys in the class.May is the fifth month of a year.表示事物编号No. Ten Middle School, Lesson O
7、ne表示年代in the 1890s表示年、月、日On May 1st, 2008用法例词或例句表示分数分子是基数词,分母是序数词,当分子大于1时,分母用复数形式。如:one third, five sixths表示时间整点5:00 five 或 five oclock与汉语顺序相同4:25four twentyfive6:30six thirty几点过几分7:20 twenty past seven11:15 a quarter past eleven差几分到几点5:55 five to six9:31 twentynine to ten特殊用法:1表示年、月、日时,年用基数词,日用序数词。
8、May 5th, 20172017年5月5日2序数词在使用时,通常前面要加定冠词the,但如果序数词前出现不定冠词a或an时,则表示“再一;又一”。Well read it a second time.我们将再读一遍。3hundred, thousand, million, billion等用在具体的数字后面时不能加s或of;若表示不确切的数时,通常加s和of。two thousand 两千 thousands of成千上万的4表示某人大约几十岁时,在表示整十数的基数词后面加s。in his twenties在他二十多岁时【典例解析】(2018安顺)What do you think of t
9、he environment here, Mr.Wang?Wonderful! _ of the land _ covered with trees and grass.ATwo fifths; is BTwo fifth; isCTwo fifths; areDTwo fifth; are【解析】考查分数。分数的表达方式为:分子分母,分子是基数词,分母是序数词,而且分子大于1,因此分母要用复数形式。后面的谓语动词be由分数后面的名词land决定,故选A。【答案】A()1.More than two _ the students in our school are from another c
10、ity.AhundredBhundred ofChundreds Dhundreds of()2.There are _ floors in this building, and I live on the _ floor.Anine; sevenBninth; sevenCnine; seventhDninth; seventhB C ()3.We asked 1 000 students from Hope School about what kind of books they love.Here are the results.According to the pie chart ab
11、ove, _of the students love science books.Aten percentBfifteen percentCa quarterDhalf()4._ of the students in our class like the group EXO.ATwo fifthBOne thirds CThree fifth DThree quartersD D ()5.A quarter of my friends _ from the beautiful town.Ais BareChasDhave()6.If your parents wanted to have a
12、_ child, would you agree?Of course.But they should make it in _ years time.Asecond; second Btwo; twoCsecond; twoDtwo; secondB C ()7.Li Wen is a normal_boy from the countryside.He works hard and does well in school.A15 years oldB15yearsold C15yearoldD15 year old()8.Please turn to page _ and take a look at the picture on it.Athe eightiethBeightiethCeightiesDeightyC D