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1、九年级英语复习数词一. 本周教学内容:复习数词二. 重点、难点:(一)基数词1. 基数词的表示方法:12131920901001,000,000,000one百a / one hundredtwotwenty*千one thousandthreethirteen*thirty万ten thousandfourfourteenforty*十万one hundred thousandfivefifteen*fifty百万one million sixsixteensixty千万ten millionsevenseventeenseventy亿one hundred millioneighteigh
2、teen*eighty 十亿one billion(美)ninenineteenninetyteneleventwelve 2. 20以上的基数词的读法:(1)两位数的表示法,在十位和个位之间加连字符(即“一”),如:22读作:twenty-two (2)三位数的表示方法,在百位之后加“and”。如:231读作:two hundred and thirty-one(3)四位数及四位以上数的读法,只在百位之后加and,而千位、万位以上的数后面不加任何词,只按顺序读。如:1,234读作:one thousand two hundred and thirty-four5,110,981读作:five
3、 million one hundred and ten thousand nine hundred and eighty-one 3. 同汉语一样,英语“百”位数以上的单位是“千”,但“千”位数以上的单位是“百万”。英语中没有“万”这个词,是用“十千”来表示,而“十万”在英语中用“百千”来表示。如:hundred百,thousand千,ten thousand万,one / a hundred thousand十万,million百万,one / a billion(a / one thousand million)十亿 4. hundred,thousand,million,billion
4、表示具体数字时,没有复数形式。hundreds of,thousands of,millions of表示不定数目。如:hundreds(thousands,millions)of dollars数百(成千,或百万)美元thousands and thousands of people成千上万的人millions of reasons 许许多多的理由(二)序数词序数词一览表第1第12第13第19第20第991stfirst13ththirteenth20thtwentieth2ndsecond14thfourteenth30ththirtieth3rdthird15thfifteenth40t
5、hfortieth4thfourth16thsixteenth50thfiftieth5thfifth17thseventeenth60thsixtieth6thsixth18theighteenth70thseventieth7thseventh19thnineteenth80theightieth8theighth90thninetieth9thninth21sttwenty-first10thtenth32ndthirty-second11theleventh43rdforty-third12thtwelfth54thfifty-fourth99thninety-ninth注意:1. 第
6、1至第19,除第1(first),第2(second),第3(third)外,其余均在基数词的后面加-th构成,读。在这些序数词中,fifth,eighth,ninth,twelfth的拼法与基数词有区别。2. 第20至第90是将基数词词尾y变成i,再加-eth构成,-ieth读ii.3. hundred,thousand,million的序数词均在其后加-th构成,即hundredth,thousandth,millionth。4. 几十几及以上的序数词,其中十位数或百位数、千位数等用基数词,只有个位数才用序数词。如:第21:twenty-first(21st)第99:ninety-nint
7、h(99th)第101:a / one hundred and first(101st)第274:two hundred and seventy-fourth(274th)第1,805:one thousand eight hundred and fifth(805th)(三)数词的句法功能数词在句子中有着和形容词或不定代词相类似的功能。因此,数词可作主语、宾语、表语、定语和同位语。1. 作主语:The first is yours . 第一个是你的。How many of you are making the trip ? There are four of us . 你们有多少人去旅行?我
8、们有4个人。2. 作宾语:He was among the first to arrive . 他是首批到达的人之一。 Give me two . 给我两个。3. 作表语:Six times six is thirty-six . 6乘6等于36。Marx was already fifty when he began to study Russian .马克思开始学俄语时已经50岁了。4. 作定语:Now , lets come to the second picture . 现在让我们看第二幅图画。 There are five different time areas in the Un
9、ited States . 在美国有5个不同的时区。5. 作同位语:We will have a speech contest on Monday , the 28th of May . 我们将于5月28日星期一举行演讲比赛。Is there room for us two ? 有我们俩人的位置吗?(四)分数、小数、百分数和倍数1. 分数:分数是由基数词和序数词共同构成的。分子用基数词,分母用序数词。分子是1时,分母(序数词)用单数形式;分子大于1时,分母用复数形式,序数词加-s,当分数前面带有整数时,要用连词and连接。如: one third / a third two-thirds fo
10、ur-fifths seven-tenths two and two-thirds注意:通常用a / one half表示。a / one quarter,three quarters / three fourths。数学中可以都用基数词,如读作one over two,读作two over three,读作three over four。2. 小数:小数中的数词只用基数词,小数点读作point,小数点前后的数字要一一读出,如: 0.25 zero point two five 1.34 one point three four注意:“0”的读法有:zero,nought(美),o。3. 百分
11、数:数字用基数词,百分号%读作percent,无复数形式,如:5% five percent / per cent 100% one hundred percent0.8% zero point eight percent4. 倍数:英语用twice表示两倍,两倍以上用基数词加times表示。This room is three times as large as that one . 这个房间有那个房子三个大。He is double my age . 他的年龄是我的两倍。(五)时刻表示法1. 表示“几点钟”用基数词加oclock,但oclock常可省略。前面用介词at表示“在几点钟”。如:
12、 We get up at six(oclock). 我们6点起床。2. 表示“几点过几分”用past,但分钟数须小于半小时(包括半小时在内)。如:7:05 five past seven 7:15 fifteen(a quarter)past seven 7:30 half past seven3. 表示“几点差几分”,用介词to,但分钟数须在半小时以上(不包括半小时在内)。如:7:57 three to eight 11:46 fourteen to twelve 2:40 twenty to three 4. 几刻钟。 如:一刻钟:a quarter 三刻钟:three quarters
13、 9点一刻:a quarter past nine (六)星期表示法星期开头第一个字母须大写。(后附其缩写式)星期日:Sunday Sun . 星期一:Monday Mon .星期二:Tuesday Tues .星期三:Wednesday Wed .星期四:Thursday Thurs .星期五:Friday Fri .星期六:Saturday Sat注意:表示“在星期几”,用介词on。如:on Sunday(七)月份、日期表示法1. 月份名称:月份开头第一个字母须大写。(后附其缩写式,其中,五月无缩写)一月:January Jan.二月:February Feb .三月:March Mar
14、. 四月:April Apr .五月:May . 六月:June Jun .七月:July Jul . 八月:August Aug .九月:September Sep .十月:October Oct .十一月:November Nov . 十二月:December Dec .注意:“在某月”用介词in,如:in October在十月2. 某年某月某日:年份用基数词表示。日期一般用序数词表示。表示某年某月某日,常在年份前加上逗号。介词应用on。如:on April 5 , 1976 1976年4月5日on September 1,1989 1989年9月1日on May 17,1960 1960
15、年5月17日年和月连用时,应把月写在前面,年写在后面,中间可以用逗号分开,也可以不用。如:August 1989 December 1990月和日连用时,可用两种方法来表示。如5月4日可写成May 4(读作May 4th , the fourth)或4 May(读作the fourth of May)。(八)表示世纪、年代20世纪(in)the 20th century30年代(in)the thirties 20世纪90年代(in the)1990s或1990s(nineteen nineties)1983年(in)1983(nineteen eighty-three)(九)温度计刻度的读法
16、用基数词表示:零下3摄氏度,读作minus three degrees centigrade(或three below zero) 零下18摄氏度,读作minus eighteen degrees centigrade(或eighteen below zero)20摄氏度 20读作:twenty degrees centigrade25.3 25.3摄氏度读作:twenty-five point three degrees centigrade degree表示“度”;centigrade表示“百分度的,摄氏”,minus表示“负的”。(十)四则运算表示法1. 算式的读法用基数词表示。如:3+
17、6=9 Three plus six is nine . 5+5=? How much is five plus five ?105=5 Ten minus five is five . 42=8 Four times two is eight .204=5 Twenty divided by four is five 2. 算式符号:+读作:plus / and 读作:minus / from / take away读作:times / multiplied by 读作:over / divided by=读作:equal(s)/ is equal to或is / are,或makes /
18、make一. 选择填空。(A)找出与句中划线部分意思相同或相近的选项。( )1. None of them can answer this question . A. All of them B. No one C. Most of them D. A few ( )2. Just then , there was a knock at the door . A. Just at that moment B. After that C. After a while D. In a moment( )3. The man was beaten until he was black and blu
19、e . A. fought B. hit C. kicked D. pulled ( )4. Take care not to break the glasses ! A. Be ready B. Look after C. Look for D. Be careful( )5. After a while , they found a little water . A. At once B. At first C. At the beginning D. A moment later (B)从下列各组A、B、C、D四个选项中选出一个能填入句中空白处的最佳答案。( )6. a person i
20、n the dark room . A. There seem B. There seems to beC. There seems D. Theres going to ( )7. taken place here since 5 years ago . A. Some change has B. Great changes haveC. Great change haveD. Many changes have been( )8. When you are , you can ask Martha for help . A. in troubles B. troubles C. in tr
21、ouble D. difficult ( )9. will you be back ? Shall I wait for you here ? A. How long B. How soon C. How much time D. How long time ( )10. Toms brother the army for three years . A. has joined in B. has been in C. has joined D. became a member of ( )11. These two children by my mother . A. are looking
22、 after B. are taken care of C. are taken care D. take care of( )12. I hear you to the dance party several days ago . a good time there ? A. were invented ; Did you haveB. went ; Had youC. were invented ; Had youD. had been ; Did you have ( )13. Changjiang River is longest in China . A. The , the B.
23、/ , the C. / , / D. The , / ( )14. Dont do the homework for . She should do by . A. yourself ; it , herself B. her ; it , herself C. yourself ; it , her D. yourself ; them , herself ( )15. Yesterday my father had a lot of work to do . He work until midnight . A. must B. has to C. had to D. need( )16
24、. to study in Beijing University ! A. How want I B. What I want C. How I want D. What I want ( )17. You dont mind my taking this seat , you ? . A. will ; No , do please B. do ; Certainly , do as you like C. do , Certainly not D. do ; No , sorry you cant ( )18. would be our Chinese teacher next term
25、? A. Did he tell you who B. Whom did he tell you C. Who did he tell you D. Who did he say ( )19. Chemistry is for me than any of the other subjects . A. more important B. the most important C. much important D. not so important( )20. If you keep English like this , Im sure you can master it within t
26、hree years . A. to study B. studying C. study D. studied ( )21. Children , there is a lot of canned food over there . You can . A. help yourself to them B. have a look for it C. have a drink of themD. help yourself to it ( )22. Mr. Blacks son was ill , so he a doctor . A. sent for B. sent up for C.
27、sent out D. called on( )23. The little girl got up early catch the first bus . A. in order to B. not to C. that he couldnt D. that she can ( )24. My hair is too long . Im going to have it . A. cutting B. cut C. cuts D. to cut ( )25. I asked him he had learned 2,000 English words by heart . A. if B.
28、who C. that D. /二. 完形填空。先通读下面短文,掌握其大意,然后从各题后A、B、C、D四个选项中选出一个最佳答案填空。Jim is a boy of fifteen . His parents died three years ago and he had to find work himself . One day , when he was begging(乞讨)in the street , he found a bag 26 money . He found the loser , Mr. Jackson , and 27 it to him . Mr. Jackson
29、 thanked him very much . When he knew Jims 28 , he brought the boy home and told him to work in his house . The boy works hard and always listens to Mr. and Mrs. Jackson and never touches 29 in the room . They like him .Mr. Jackson likes planting trees . Therere a lot of 30 precious(珍奇的)trees in his
30、 garden . When hes free , he always appreciates(欣赏)them for a long time .The week before last Mr. Jackson brought a few trees home , planted them in the garden himself and watered them every day . Several days later he had to 31 another city . Before he started , he said to Jim , “ Take good care of
31、 the plants(树苗)when Im out . Some boys always want to steal them . ”“ Dont worry about them , sir . ” answered Jim , “ Ill do my best to 32 them . ”Six days later Mr. Jackson came back . As soon as he saw the boy , he asked , “ Has anybody come to steal the trees 33 ? ”“ No sir , ” Jim said happily
32、. “ To stop them 34 stealing the plants , I 35 them six days ago and now they have been hidden for nearly a week ! ”( )26. A. full with B. fill withC. fill ofD. full of ( )27. A. paidB. returned backC. returned D. give back ( )28. A. passB. pastC. passedD. passted( )29. A. expensive somethingB. some
33、thing expensiveC. anything expensiveD. expensive anything ( )30. A. kind of B. kinds ofC. kindsD. crowds of ( )31. A. leaveB. arriveC. leave forD. arrive at ( )32. A. seeB. watchC. look atD. notice( )33. A. everB. beforeC. yetD. already( )34. A. toB. forC. fromD. by( )35. A. pushedB. stolenC. plante
34、dD. pulled三. 阅读理解。AThe moment four-year-old Le Le and two-year-old Ya Ya arrived in the US on April 7 , and they were warmly welcomed . Hundreds of people cheered and clicked their cameras .The two unusual VIPs landed on new soil after a 15-hour plane journey in a Fed Ex(联邦快递)aircraft from China . T
35、hey were a pair of black and white giant pandas . And they were headed for Memphis Zoo in Tennessee , where they will spend 10 years on loan(租借).Pandas are native to the mountains of central China and only about 1,000 remain in the wild . For years , the Chinese government has lent pandas out to zoo
36、s around the world . Today , 150 are kept in zoos .China spends the loan money on panda research , breeding and protection programs .“ Its very successful , ” said Li Guanghan , the main researcher at the Chengdu Panda Research and Breeding Base in Sichuan Province . “ Both sides get what they want
37、. ” About 15 countries ask for permits for the 10-year loan every year . Among those approved(获准)have been Japan , the US , Germany , Mexico and Australia . Thailand will become the sixth country to borrow pandas in September .“ Canada and South Korea have also borrowed pandas for up to four months
38、.” said Li . While male Le Le and female Ya Ya are in Memphis , biologists in the US and China will work together to research panda genetics(遗传学)breeding habits and diet .For more information about the two pandas , visit www. fedex. Com / pandas or www. mephiszoo. org .根据短文内容,选择最佳答案。( )36. giant pan
39、das arrived in the USA on April 7 . A. One B. Two C. Three D. Four( )37. “ VIP ” is short for . A. Do it yourself B. the Voice of AmericaC. very important person D. video compact disc ( )38. Ya Ya and Le Le will spend years on loan in the USA . A. 5 B. 10 C. 15 D. 20( )39. About countries ask for pe
40、rmits for the 10-year loan every year . A. 15 B. 17 C. 20 D. 23( )40. will became the sixth country to borrow pandas in September . A. Germany B. Japan C. Mexico D. Thailand BNew park in LijiangIf you like history , take a trip to Lijiang , Yunnan , for your next holiday . Chinas first World Heritag
41、e Park(世界遗产公园)opened there last week(in May , 2004). The park has 12 smaller reproductions(复制品)of Lijiangs United Nations World Heritage sites . The park is 33 hectares(公顷).Chinese hit the top A group of seven Chinese reached the top of Mount Qomolangma on May 22 , 2003 . The 8848-meter mountain is
42、the highest in the world . Man first climbed to the top on May 29 , 1953 . At least 175 people have died in the past 50 years trying to climb the mountain .Who will be the best ?A COMPETITION for young performers , the “ Hou Baolin Awards , ” will be held from June 20 to August 8 around China . It w
43、ill have different kinds of folk performance like storytelling and cross-talk . Young people from the Chinese mainland , Hong Kong , Malaysia and Singapore will take part in it .Its not cool to smoke World No Tobacco Day was held on May 31 . A recent study shows more than 320 million people smoke in China and five million are young students . Stars who smoke on TV and in films are blamed for making some students think its cool to start smoking .More places to study The Chinese government will spend