初中数词语法及练习.docx

B：数词专项第一部分：知识点分析 一、基数词1）基数词读法：月，日，年，如2007年六月十三日读作：June (the) thirteenth, two thousand and seven 具体某一天用介词on on Monday, on Tuesday，May 24 (星期，月，日)（主要体现在口语考试和听力题目中）2）表示一个具体数字时，hundred, thousand, million, ,dozen,score一律不用复数；在表示一个不确定数字时则用复数。(确数没s，概数加s，of s 同出现) 例如：There are three thousand students in our school.After the war, thousands of people became homeless.基数词位置： “名词+基数词” Lesson 15; Room 1506 或者用“the + 序数词 + 名词” The Fifteenth Lesson the third floor, Paragraph 2， No,11、时间均用基数词表示：1）顺读法，先说“点钟”，再说“分钟”，如： 2:15 two fifteen 6:20 six twenty2）逆读法30分钟以内：“分钟数+ past +钟点数”，如： 3:20 - twenty past three 2:10 - ten past two半小时用 half，15分钟用 a quarter : 2:15 - a quarter past two 3:30 - half past three30分钟以外要用：“分钟数+ to + 下一个钟点”，如： 4:35 - twenty-five to five 2:55 - five to three1） 在一些表示一排或一组的词组里；如：They arrived in twos and threes.他们三三两两的到达了。1）表示几十岁，in ones +数词 例如：He died in his forties2）表示年代，用 in +the +数词复数；in the 1960s.2） 一到十二分别记。十三到十九都带teen二十到九十整的数，ty 结尾别忘记 要是表示几十几，一横十位连各位。 onetwothreefourfivesixseveneightnineten eleventwelvethirteen fourteen fifteensixteenseventeeneighteennineteentwentythirtyfortyfiftysixtyseventyeightyninetytwenty-onethirty-eightfifty-threea hundreda thousanda milliona billion4) 数词形容词（只能做前置定语） A boy five years old.A five-year-old boy.二、序数词The 加序数词表第几，a加序数词表又一，再一1）序数词主要用作定语，前面要加定冠词，例如：The first truck is carrying a lot of baskets 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 time 3）1至12序数词：one-first, two-second, three-third, four-fourth five-fifth, sixsixth,sevenseventh,eight-eighth,nine-ninth,tententh,eleven-eleventh twelve-twelfth缩写形式：first1st second2nd third3rdfourth4th twenty-second22ndfirstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieththirtiethfortiethfiftiethsixtiethseventietheightiethninetiethhundredthtwenty-firstninety-nintya hundred and fifty-third4) 分数：分子用基数，分母用序数，分子大于1，分母加-s。分数修饰的名词作主语。谓语动词的单复和名词一致。three fourths, one second, two fifths, three quarters数词与小时的搭配half 一半，a half one and a half hour, two hours and a half three hours half an hour倍数表示法主语+谓语+倍数+ as + 形容词 + as A is three times as big as B主语+谓语+倍数+形容词比较级+than A is three times bigger than B主语+谓语+倍数+the size（length,breadth,level）+of A is three times the size of B3、易错点1. We will have a _ holiday after the exam. A. two month B. two-month C. two months D. two-months答案: B (选择C的同学要注意应用two months; 选择D的同学要注意名词之间有 “ “ 后的组合词当作形容词来用, 因此就不用所有格形式了.)2. ._ trees are cut down in the forests every year.A. Thousand B. Thousands C. Thousand of D. Thousands of答案: D. (选择C的同学注意词组记忆的准确性)3. Our sports meeting will be held _.A. on 24, Tuesday, April B. in April 24, Tuesday C. on Tuesday, April 24 D. in April Tuesday 24答案: C. (具体某一天介词on，时间排序：星期，月，日)2002,5,20： May 20th,2002,the twentieth of May,2002注意：数词形容词作定语时，一般用单数形式a seven-year-old boy 4. Our school will hold a sports meeting next week. Tom and I will be in boys .A.800-metres-race B.800-metres raceC.800-metre race D.800 metre race 答案: C. 800来修饰race,有两种表达法，800-metre race或800 metres race. 5. Im very hungry, I have eaten two cakes, would you please give me one?A. move B. three C. a third D. the third 答案: C. 序数词前加不定冠词，表示“又一，再一”，表示another。 6. of the land in the world is covered by water.A. Four three B. Three four C. Three fourth D. Three fourths答案: D. 此题考查分数的写法，如果分子大于1，分母用复数。 例6We will have holiday in the winter.A. four weeks B. a four-week C. four week D. a four weeks 答案: B. 此题为一个四星期的假期，数次形容词作前置定语。 1 -How many workers are there in your factory? -There are two _. A. hundreds B. hundred C. hundred of D. hundreds of2 About _ students in our class can describe that place in English. A. three-fifths B. three-fifth C. third-five D. third-fifths3 -Can you write the number eighty-five thousand, six hundred and twenty-six? -Yes, it is _. A. 856620 B. 85626 C. 58662 D. 586264. When was the PRC founded? It was founded on _. A. July 1, 1921 B. 1, 1949,October C. August ,1927 1, D.1, May ,19225. _ Chinese are looking for ways to learn English well before Beijing 2008 Olympics. A. Thousand B. Thousands C. Thousand of D. Thousands of6Mr Zhang teaches at Middle School.A. a No.5 B.No.5 C. the No.5th D.5th No 7John lives on floor.A. twenty B. twentieth C. the twentieth D. the twentyth 8He has worked on the farm for years.A. two and half B. two and a halfC. a half and two D. two halves and a 1It is said that SARS has killed more than _ people worldwide. A. three hundreds B. three hundreds C. three hundreds D. three hundred2-What do you think of a war, Li Ming? -Ive no idea. But its a fact that _ people had to leave their hometown during the War on Iraq. A. three millions B. million of C. millions of D. several millions3 Both of the two rulers are broken. I want to buy a _one. A. three B. third C. forth D. /4. _ of the earth _ made up of oceans. A. Two-third; is B. Two-thirds; is C. Two-third; are D. Two-thirds; are5. Since 1964, _ satellites have been sent into space. A. dozens of B. four dozens C. dozen of