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1、初三英语系列复习资料（4）数词、冠词考点集汇，讲解和训练四、冠词和数词【考点直击】1.不定冠词a与an的用法2.定冠词the的用法3.零冠词4.基数词的用法5.序数词的用法【名师点睛】一. 冠词的用法冠词是虚词，放在名词之前，用来说明名词指的人或事物。冠词有两种。A(an)叫不定冠词，the叫定冠词。A用在辅音之前，an用在元音之前。1. 不定冠词的用法(1) a和an均用在单数名词之前，表示某一类人或事物。例如：John is a student.Mary is an English teacher.(2) 指某一类人或事物中的任何一个。例如:A steel worker makes ste
2、el.Pass me an apple, please.(3) 指某人或某物，但不具体说明何人或和物。例如：A student wants to see you.A girl is waiting for you outside.(4) 表示“每一”的意思，相当于every。例如：Take the medicine three times a day.They go to see their parents once a week.2. 定冠词用法(1) 特指某（些）人或某（些）事物。例如：The book on the desk is an English dictionary.Beijin
3、g is the capital of China.(2) 指说话人和听话人都熟悉的人或事物。例如：Open the door, please.Jack is in the library.(3) 上文提到过的人或事物。例如：Yesterday Johns father bought him a new bike. The bike cost him 200 yuan.(4) 表示世界上独一无二的事物。例如：The sun rises in the east and sets in the west.(5) 用在序数词和形容词级之前。例如：Shanghai is the biggest cit
4、y in China.January is the first month of the year.(6) 用在某些形容词之前，表示某一类人或事物。例如：The nurse is kind to the sick.We should take good care of the old.(7) 用在某些专有名词之前和某些习惯用语中。例如：the Great Wall, the Summer palace, in the morning, in the open air等。(8) 用在姓氏复数之前，表示“某某一家人”，“某某夫妇”。例如：the Browns, the whites等。3. 不用冠
5、词的情况(1) 某些专有名词，抽象名词和物质名词前一般不用冠词。例如：China, Canada, Japanese, glass, water, love等。(2) 名词前已有作定语用的this, that, my, your, whose, some, any, no, each, every等代词时，不用冠词。例如：That is my cap.I have some questions.Go down this street.(3) 复数名词表示一类人或事物时，不用冠词。They are workers.We are students.(4) 称呼语前不用冠词，表示头衔和职务的名词前也
6、不加冠词。例如：I dont feel well today, Mother.Bush was made president of the U.S.(5) 三餐饭的名称前，球类活动，学科和节目名词前，常不用冠词。例如：I have lunch at home.He often plays football after class.We have English and maths every day.(6) 在某些固定词组里，名词之前常不用冠词。例如：By air, at night, at home, go to bed, go to school, on foot, from mornin
7、g till night 等。二. 数词的用法数词分基数词和序数词。基数词表示数目，序数词表示顺序。1. 基数词的用法(1) 基数词在句中主要用作主语、宾语、定语、表语、同位语，例如：Thirty of them are Party members.（主语）- How many would you like？- Three ，please（作宾语）The nine boys are from Tianjing.（定语）Six plus four is ten.（表语）We four will go with you.（同位语）(2) 表示一个具体数字时，hundred, thousand, m
8、illion一律不用复数；在表示一个不确定数字时则用复数。例如：Our country has a population of 1,300 million people.There are three thousand students in our school.After the war, thousands of people became homeless.Maize is the most important food crop for millions of people in the world.They arrived in twos and threes(3) 表示“十”的数
9、词的复数形式可用来表示人的岁数或年代，例如：He is in his early thirtiesHe died still in his fortiesThis took place in 30s(4) 表示时刻用基数词。例如：We get up at six.The workers begin work at eight.表示“几点过几分”，用介词past,但须在半小时以内。例如：ten past ten,a quarter past nine,half past twelve表示“几点差几分”用介词to, 但分数须在半小时以上。例如：twenty to nine,five to eigh
10、t,a quarter to ten表示“几点几分”还可直接用基数词。例如：seven fifteen,eleven thirty,nine twenty2. 序数词的用法（1）序数词主要用作定语，前面要加定冠词，例如：The first truck is carrying a foot basketsJohn lives on the fifteenth floor（2）序数词有时前面可加不定冠词来表示“再一”，“又一”这样的意思，例如：Well have to do it a second timeShall I ask him a third time？When I sat down，a
11、 fourth man rose to speak（3）由几个序数词和基数词在拼写时不对应，很容易写错，应特别注意。它们是：one-first, two-second, three-third, five-fifth, eight-eighth, nine-ninth, twelve-twelfth。（4）表示年，月，日时， 年用基数词表示，日用序数词表示。例如：49年十月一日读作: October (the) first, nineteen sixty九月十日读作：September (the) tenth, two thousand and four（5）表示分数时，分子用基数词表示，分母
12、用序数词表示。分子大于1时，分母加-s。例如：three fourths,one second,two fifths（6）序数词有时用缩写形式：first1st second2ndthird3rd fourth4thtwenty-second22nd【实例解析】1. (上海市徐汇区中考试题)About _ students in our class can describe that place in English.A. three-fifths B. three-fifth C. third-five D. third-fifths答案：A。该题考查的是分数的表示法。分子用基数词表示，分母
13、用序数词表示。分子大于1时，分母应加-s，因此应选A。2. (河北省中考试题)Nine _ pounds a week? Thats very good.A. hundred of B. hundreds ofC. hundreds D. hundred答案：D。该题考查的是数词的用法。Nine hundred是一个具体的数量，这是数词不能用复数形式，后面也不能加of。所以应选D。3. (北京市海淀区中考试题)We often have sports after class, and I like to play _ basketball.A. a B. an C. the D. 不填答案：D
14、。该题考查的是冠词的用法。球类运动之前不加冠词，因此应选D。4. (江西省中考试题)This is _ song Ive told you about. Isnt it _ beautiful one?A. the; the B. a; a C. the; a D. a; the答案：C。该题考查的是冠词的用法。第一个空是特指，特指我给你说过的那首歌，第二个空是表示某一个类别。所以应选C。【中考演练】一. .单项填空1. This morning I had _ egg and a bottle of milk for my breakfast.A. an B. a C. the D./2.
15、-Whats the matter with you?-I caught _ bad cold and had to stay in _.A. a;/ B. a; the C. a; a D. the; the3. -Have you seen _ pen? I left it here this morning.-Is it _ black one? I think I saw it somewhere.A. a; the B. the; the C. the; a D. a; a4. _ sun is shining brightly.A. A B. An C. The D. /5. There is _ “h” in the word hour.A. a B. the C. an D./6. Did you enjoy
