所属成套资源:中考英语趣学初中英语语法课件(全国通用)
【通用版】中考 初中英语 专题04 数词 PPT课件
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这是一份【通用版】中考 初中英语 专题04 数词 PPT课件,共59页。PPT课件主要包含了%68%100%,HOMEWORK等内容,欢迎下载使用。
定义:表示数目多少或顺序先后的词叫做数词。数词有两种:表示数目多少的数词叫做基数词,如:ne,tw,three...,ninetyfur等;表示顺序先后的数词叫做序数词,如:first,secnd,third...,fifteenth等。There are five peple in my family. We live n the sixth flr in a tall building.我家有五口人。我们住在一座高楼的第六层。
基数词(一)基数词的表示方法1.基数词1~12是独立的词,13~19都是以teen结尾的词。
(1)1~12要逐个记:1 ne /wʌn/ 2 tw /tuː/3 three /θriː/ 4 fur /fɔː/5 five /faIv/ 6 six /sIks/7 seven / ' sevn/ 8 eight /eIt/9 nine /naIn/ 10 ten /ten/11 eleven /I ' levn/ 12 twelve /twelv/
(2)13~19都以teen结尾,都是双重音:13 thirteen /,θɜː ' tiːn/ 14 furteen /,fɔː' tiːn/15 fifteen /,fif' tiːn/ 16 sixteen /,siks' tiːn/17 seventeen /,sevn' tiːn/ 18 eighteen /,eI' tiːn/19 nineteen /,naIn' tiːn/
2.基数词20~90整十位数都是以ty结尾。
20 twenty / ' twentI/ 30 thirty / ' θɜːtI/40 frty / ' fɔːtI/ 50 fifty / ' fIftI/60 sixty / ' sIkstI/ 70 seventy / ' sevntI/80 eighty / ' eItI/ 90 ninety / ' naIntI/
注:13~19的teen/'tiːn/都是重读音,而20~90的ty/tI/都是非重读音节;/'tiːn/为长音,而/tI/为短音。
3.基数词21~99都是由“几十”和“几”合起来构成,词中间加连字符(但音标里不加连字符),并分别重读。21 twentyne /,twentI'wʌn/23 twentythree /,twentI'θriː/34 thirtyfur /,θɜːtI'fɔː/45 frtyfive /,fɔːtI'faIv/56 fiftysix /,fIftI'sIks/67 sixtyseven /,sIkstI'sevn/
4.基数词101~999,先说“几百”,再加“and”,再加末两位数。—Hw many days are there in a year? 一年有多少天?—_________________________. 三百六十五天.
5.1,000以上的数,先从后向前数,每三位加“,”,第一个“,”前为thusand,第二个“,”前为millin,第三个“,”前为billin(美式)或thusand millin(英式)。—Can yu write the number _______________________________________?你会写数字85,626吗?—Yes, it is 85,626. 会写,它是85,626。
Three hundred and sixtyfive
eightyfive thusand,six hundred and twentysix
6.百(hundred),千(thusand),百万(millin)等词与数字或a(n)连用时,词尾不可加“s”。The cmputer was cheap. ______________________________________那台电脑很便宜,我只花了两千元.
7.百(hundred),千(thusand),百万(millin)等词与介词f连用时,须用复数形式,表示不确定数目,其前不可与数字连用。—Hw many peple went t Beijing fr the Olympic Games in 2008?有多少人去北京看2008年奥运会?—_______________,I think. 上百万,我认为。
I spent nly tw thusand yuan n it.
8.表示“几十”的数词的复数形式可用来表示人的岁数,在表示“几十年代”时,可以用基数词的复数形式,也可用阿拉伯数字加“s”或“'s”。She is ________________ but she lks yung.她五十多岁,但她看上去很年轻。Frm_______________ t _______________,picturestry cartns were very ppular.从20世纪50年代到20世纪70年代,图画故事的卡通片是很受欢迎的。
the 1950's(1950s)
in her fifties
the 1970's(1970s)
9.基数词可与其他词构成合成形容词。Kate is an __________________ girl. 凯特是个18岁的女孩。10.基数词可用作主语、宾语、表语或同位语。Give him three.(宾语) 给他三个。___________ f the teachers in ur schl are wmen teachers.(主语)我们学校三分之二的老师是女老师。
eighteen的读音以元音开头,故其前要用不定冠词an。注:这种合成形容词的结构为:“数词+单数名词+形容词”。复合形容词中,词与词之间要加连字符“”。
eighteenyearld
11.电话号码的读法为顺次读出一个个数字,“0”读作“”或“zer”。数字连续重现时可用“duble(双)”。62884405读作__________________________________或_________________________________________。
six tw eight eight fur fur (或zer)five
six tw duble eight duble fur (或zer)five
(二)序数词表示顺序的数词称为序数词。序数词一般以与之相应的基数词加词尾th构成;多个单词时,仅最后一个变为序数词。序数词前一般需加“the”。
1.“基数词”变“序数词”的口诀:基变序,有规律,一、二、三特殊记,first,secnd,third,从四开始加th,八去t,九去e加th,五、十二变ve为f加th,整十后变y为ie加th,若想表示几十几,只变个位就可以。
2.序数词作主语、宾语、表语、定语、同位语或状语。She was the_fifth in the exam.(作表语)The first f June is Children's Day.(主语)3.表顺序时,基数词和序数词可互换,如:Lessn Five=____________________
(三)分数1.分数的表达与读法。Tw thirds f the students are girls in ur class. 在我们班,三分之二的学生是女孩。
the fifth lessn
分子须用基数词,分母用序数词。分子如果大于1,分母须用复数形式。先读分子,再读分母。分子为ne时可换用“a”。
2.1/2读作“a(ne)half”(而不是a secnd“一秒钟”);1/4既可读作“a(ne)quarter”,又可读作“a(ne)furth”。__________________________________________ are written in English.世界上3/4的书和报纸是用英语写的。
Three quarters f the wrld's bks and newspapers
3.较复杂的分数的读法为“基数词分子+ver+基数词分母”。带分数的读法是在整数与分数之间加读and。
(四)其他数的表达1.小数的读法:小数点前的基数词与前面所讲的基数词读法完全相同,小数点读作“pint”,小数点后只需将数字一一读出。15.67读作________________________0.009读作zer pint zer zer nine 2.百分数的读法:先读基数词,再读百分号“%”(读作percent)。5%读作five percent0.5%读作_____________________200%读作______________________
fifteen pint six seven
zer pint five percent
tw hundred percent
3.年代的读法为两位、两位地读。整百的后读hundred,整千的后读thusand,前常加“the year”。1937读作nineteen thirtyseven 或:nineteen hundred and thirtyseven1900年读作nineteen hundred1905年读作nineteen and(或)five 或:nineteen hundred and five 2000年读作the year tw thusand4.表示公元后在年份前或后加AD/ ,eI'diː/皆可,公元前一律在年份后加BC/ , biː'ciː/。表几十年代时,前加 the,
后加's或s/z/。frm 200 BC t 500 AD/AD 500从公元前200年到公元后500年in the 1960's或1960s(读作nineteen sixties) 二十世纪六十年代5.年、月、日的英语顺序为“月,日,年”。“日”用序数词读和写(写时也可用基数词);“日”读在“月”前时要加读“f”。July 7(th),2005 2005年7月7日读作:July the seventh tw thusand and five 或the seventh f July tw thusand and five Tday is Thursday,September 19th.今天星期四,9月19日。
7.一些数学公式的读法:“加”用plus/and,“减”用minus, “乘”用times,“除”用divided by,动词多用单数,如:3+5=8读作:9-2=7读作:6×5=30读作:8÷4=2读作:
Three plus/and five is eight.Nine minus tw is seven.Five times six is thirty.Eight divided by fur is tw.
1.Nw,everybdy,please turn t Page________and lk at the________picture.A.Fifth;five B.Five;fifth C.Fifth;fifth D.Five;five2.—D yu have enugh students t clean the labratry?—N, I think we need ________students.A.anther B.tw thersC.mre tw D.tw mre3.The gvernment f Chngqing is building________cheap and gd huses fr the peple.A.thusand B.thusandsC.thusand f D.thusands f4.Nwadays ________f business letters are written in English.A.tw third B.tw thirdsC.tw three D.secnd three
5.—David, hw ld is yur father this year?—________.And we just had a special party fr his ________ birthday last weekend.A.Frtieth;frty B.Frty;frtyC.Frty;frtieth D.Frtieth;frtieth6.Nearly ________f the earth ______cvered by sea.A.three furth; is B.three furths; isC.three furth; are D.three furths; are7.The number f the students in ur schl is abut nine ________. ________ f them are bys.A.hundred; Tw thirdsB.hundred; Tw thirdC.hundreds; Tw thirdsD.hundreds; Tw third
基 数 词
0-12 zer, ne, tw, three, fur, five, six, seven, eight, nine, ten, eleven, twelve13-19 thirteen, furteen, fifteen, sixteen, seventeen, eighteen nineteen
20-99 twenty, twenty-ne, twenty-tw, twenty-three, twenty-fur,thirty, frty, fifty, sixty,seventy, eighty, ninety
100 - - ne hundred 101ne hundred and ne 321three hundred and twenty-ne
1,000 - - ne thusandtw thusand
2,500 tw thusand five hundred2,550 tw thusand five hundred and fifty 2,555 tw thusand five hundred and fifty-five2,050 tw thusand and fifty2,005 tw thusand and five2,505 tw thusand five hundred and five
1,000 - - ne thusand1,000,000 --ne millin1,000,000,000 --ne billin
百 千 百万 十亿2545,5993,758,590
tw hundred and fifty-fur
five thusand five hundred and ninety-nine
three millin seven hundred and fifty-eight thusand five hundred and ninety
ninety-eight billin seven hundred and sixty-five millin fur hundred and thirty-twthusand and twenty- three
98,765,432,023
three hundred five thusand eight millin several thusand
hundreds fthusands fmillins fbillins f
数以百计的,成百上千的数以千计的,成千上万的数 百万的,成百上千万的数十亿的
thusands f cups f milk
first secnd third furth fifth sixthseventh eighth ninth tenth
第一,第二,第三 … 第十:
eleventh twelfth thirteenth furteenthfifteenth
第十一,第十二, … 第十五:
twentieth thirtieth frtieth fiftieth sixtieth seventieth eightieth ninetieth
第二十,第三十,第六十,… 第九十:
thirty-first frty-secnd fifty-third
第三十一,第四十二,第五十三:
基变序,有规律,一 、二、三,个别记;-th 从四起,八加-h ,九去-e ;-ve 要用-f 替,以 y 结尾变-ie ;几十几,几百几,首词不变尾变序。
序数词前通常加 the ,如 the first如序数词前有 物主代词r名词所有格,则不加 the ,如 my secnd English teacher
1/21/3 1/4 2/3
ne half; a half
ne furth 或 a/ ne quarter
thirty percent
sixty-eight percent
ne hundred percent
70 percent f the earth’s surface ___ water.Three furths f the students ___ frm America.
zer pint ne
zer pint zer ne
twelve pint five three
3:00 three ’clck2:35 tw thirty-five8:49 eight frty-nine
前半小时(包括半小时)past4:20 twenty past fur9:30 thirty past ninehalf past nine
后半小时 t7:35 twenty-five t eight11:45 fifteen t twelve a quarter t twelve
fur fifteenfifteen past fur
eight fiftyten t nine
twelve twenty-fivetwenty-five past twelve
thirteen twenty-fivefifteen t furteen
6485,880,0009:407:152008 年 8 月 8
six hundred and frty-eight
five millin eight hundred and eighty thusand
twenty t ten
seven fifteen
a quarter past seven
fifteen past seven
2020 年 1 月 24
January 24th, 2020
1 .--- What's the date tday? --- It’s ( ) .A .Friday B .time t gC .cludy D .June 4th2 .Lk! There are( ) in the sky.A .thusand stars B .thusand f starsC .thusands f stars D .thusands f star
3 .My brther is in( ) .A .Three Class, One Grade B .Class Three, Grade OneC .Grade One, Class Three D .class three, grade ne4 .Only three percent f the cats ( ) perfect .A .is B .areC .have D .has
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