初中英语数词冠词讲解

1、数词 +冠词（一）数词的特定表示法小数，百分数，算数的表示方法1 分数表示法。（子基，母序，带and ） 分数的构成（分子用基数词，分母用序数词。分子如果大于1，则分母序数词用复数形式）1/2 读作： _one-second_1/3读作： _one-third_2/5读作： _two-fifths_3/4 读作： _three-fourths_1/25读作：_one-twentieth-fifths_ 带分数的整数和分数之间须用and 连接。三又二分之一： _three_and_one-second_ 五又四分之一 _five_and_one-fourth_ 九又十二分之五 _nine_and

2、_five-twelfths_注意：表示 “ 某一整体的几分之几” 时，使用 “分数 +of+the+ 名词 ” 结构。_One-second_of_the students are Chinese.一半的学生是中国人。She ate _one-third_of_ her food yesterday.她昨天吃掉了食物的三分之一。2 小数表示法。小数只能用基数词表示，其中小数点读作point, 零读作zero( 或 o); 小数点之后按数字依次读出；整数部分为0 时可以省略不读。0.9 ：zero point nine3.58:three point fifty-eight2.16:two p

3、oint zero sixteen8.425:eight point four hundred-twenty-five3. 百分数表示法（% 读作 percent ）18%:_eighteen_percent_0.6%_zero_point_six_percent_0.05%_zero_point_zero_five_percent4. 算数表达法1 2=3One and two is three.12 10 =22twelve and ten is twenty-two3 1=2Three minus one is two.15 5 =10fifteen minus five is ten（

4、二）冠词冠词三兄弟a, an 和 the的任务就是给名词“ 戴帽子 ” 。语法上， 冠词是虚词，没有词义，用于名词前，帮助表明词义。冠词三兄弟的分工各有不同，大家一定要记清楚，不要“张冠李戴”。冠词分为两类：不定冠词a/an和定冠词the 。不定冠词a/an只能用于单数名词之前，表示“ 一, ” 的意思或该名词的不特定性。定冠词则强调该名词的特定性，表示“ 这”、“这些 ”等意思，在可数名词与不可数名词之前都能使用。不定冠词的用法A. 不定冠词的种类：不定冠词有两个：a 和 an 。a 用于以辅音音标开头的单词之前。一本书_a_book_一个女人_a_woman_an 用于以元音音标开头的单词

5、之前。一个苹果_an_apple_一位老人_an_old_一个小时an_hour_一个鸡蛋_an_egg_当形容词修饰名词时，冠词要放在形容词的前面，这时用a 或 an 取决于这个形容词的1读音。一位英语老师_a_English_teather_一个红苹果_a_red_apple_B. 不定冠词的用法：用于第一次提到的、不确定的人或物（可数名词）之前There is _a_dog outside the door外有一条狗。Do you see _a man_ in red T-shirt?你有看到一个穿红体恤衫的男子吗？用于价格或时间等名词的前面，是“每, ”的意思4 Yuan _a_ ki

6、lo每公斤四元once _a_ week一周一次表示职业、身份_a_ lawyer一个律师_a_ doctor一个医生_a_ student一位学生用于数字、量词之前_a_hundred一百a_ lotof许多_a_ couple一对用于一些固定词组中have _a_ _rest_休息make _a_ living谋生_a_ great deal很多定冠词的用法A. 定冠词的一般用法用于第二次谈到的人或物She has a bag. _the_ bag is yellow.她有一个包，这个包是黄色的。用于双方共知的人或物I dontlike _the_ coat.我不喜欢这件大衣。“ the

7、+ n单数 . ”可以表示一类人或物_the_ _panda_大熊猫_the_ _driver_司机B.定冠词的特殊用法定冠词常用于一些特定词的前面。助记：沙漠、河流与群山；列岛、海峡与海湾；阶级、党派、国家名；组织、团体和机关；方位、朝代、独一词；会议、文件及报刊；乐器、建筑、海洋群；定冠词帽戴在前。_the_ Yellow River黄河play _the_ piano弹钢琴_the_ Great Wall长城_the_ Peoples Daily人民日报_the_ United Nations联合国用于姓氏复数之前表示全家人/ 夫妇俩_the_ _Greens_格林一家_the_Lis李

8、先生一家“ the + adj.” 表示一类人或物the_rich_富人the_poor_穷人the_young_man_年轻人用于一些固定词组中in the _eveningat the _time在此时go to the _movie_去电影院in the _front_ of在前部不用冠词的情况不用冠词的情况下列情况应免冠，代词限定名词前；专有名词不可数，学科球类三餐饭；复数名词表泛指，两节星期月份前；颜色语种和国名，称呼习语及头衔。在一些专有名词（人名、地名、月份、节日等）之前，不用冠词MissLaura劳 拉 小 姐DoctorSmith史 密 斯 医 生Hydepark海 德 公

9、园2Australia澳大利亚_March_三月_Childrens_ Day儿童节名词前已有修饰词的时候，不用冠词this _morning_今天早上my _book_我的书your _child_你的孩子在表示三餐、球类、棋类和游戏等名词前，一般不用冠词play _basketball_打篮球play _cards_打牌play _games_玩游戏have _supper_吃晚饭在物质名词和抽象名词前，一般不用冠词We love _peace_.我们爱和平。Smoking is bad for _health_.吸烟有害健康。巩固练习0.10 Han Meimei is _ Chines

10、e girl. Lucy is _ English girl.A. a; a B. an; an C. a; an D. an; a0.11 A little boy wrote_"U" and_ "n" on the wall.A. a; an B. an; a C. an; an D. a; a0.12 There are sixty minutes in_hour.A. an B. the C. a D. /0.13 This is _ interesting book and it is also _ useful one.A. an; an B

11、. an; the C. ah; a D. a; a0.14 Mrs. Smith is _ friend of _A. the; mine B. a; me C. the; my D. a; mine0.15 I go To_ School on foot because my home is near_ school.A. a; a B. the; the C. /; / D. /; the0.16 Yesterday we held_ talk with them in the hall.A. the B. this C. a D. an0.17I usually go out for

12、_ walk after_ tea;A: a; / B. /; the C. a; a D. the; a 0.18 This is_egg. _egg is big.A. a; A B. an; An C. a; The D. an; The 0.19 People often go to swim in_summer.A. / B. a C. an D. the0.20 There is_ old man under_ tree.A. an; the B. the; a C. a; the D. an; /0.21 -Whose room is that?-It's_.A. the

13、 twins' B. of Lucy and LilyC. of the twins D. the twins0.22 We can see _ sun and _ moon in _ picture.A.a; the; the B. the; a; theC. a; the; a D. the; the; the0.23 _ Browns are sitting at_ breakfast table.A. /; a B. The; / C. The; the D. / the0.24 Most of us are from_.A. the south B. south C. the

14、 southern D. southern30.25Tom enjoys playing _ football while I enjoy playing _ piano verymuch.A. the; the B. a; a C. /; the D. the; /0.26We should look after_ old.A. these B. those C. the D. an0.27The ship is sailing on_ Pacific OceanA.a B. the C. / D.that0.28_ Mr Smith is a teacher.A. The B. A C.

15、This D. /0.29You have missed _“n”in your spelling of _ wordA. an; aB. an; theC. a; theD. the; /0.30There are _ days in a year.A. three hundreds sixty-five B. three hundreds and sixty-fiveC. three hundred and sixty-five D. three hundred and sixty five0.31_people visit this museum every day.A. Hundred

16、 B. Hundreds C. Hundred of D. Hundreds of0.32There are two_ people in the meeting room.A. hundred B. hundreds C. hundreds of D. hundred of0.33My brother is in_.A. Three Class, One Grade B. Class Three, Grade OneC. Grade One, Class Three D. class three, grade one0.34Please turn to_. Let's read th

17、e text aloud.A. Page Two B. the page two C. second page D. page second0.35"The year 1999" should be read "The year_".A. nineteen and ninety-nineB. nineteen ninety-nineC. one thousand nine hundred and ninety-nineD. nineteen hundred and ninety-nine0.36Now let me have_.A. the third try B. a third try C. third try D. this third try0.37_ of the students are girls in our class.A. Two three B. Two threes C. Two thirds D. Second three0.38T