中考英语数词专题复习.ppt

心存感激,永不放弃!即使是在最猛烈的风雨中,我们也要有抬起头,直面前方的勇气。请相信:任何一次苦难的经历,只要不是毁灭,就是财富!)1-12,独立成词。eneleventwelve2)13--19,由3-9+teen构成。14–fourteen16--sixteen17--seventeen19—een特殊拼写:13–thirteen15--fifteen18—eighteen3)20-90,以-ty结尾。20—twenty30---thirty40—forty50—fifty80---eighty60---sixty70---seventy90—y4)21-99,两位数,十位与个位之间有“-”。21twenty—one55fifty—y—nine5)101—999,三位数,百位与十位/个位之间加and。y-three29,43150076,,thousandhundredmillionbillionand6)1,000以上数目,从右向左每三位用“,”分开,分别读为thousand,million,、表示具体数目,hundred,thousand,million不用复数表示不确定数目,用复数。即hundredsof(数百),thousandsof(数千),millionsof(数百万)+名词复数,可以用many/several修饰,但不能与具体数目连用。1)Ourcountryhasapopulationof1,))Afterthewar,)Several/?That’sverygood.(04年河北).—Howmanyteachersarethereinyourschool?—Aboutfour____.(2013广安)’anleft___peoplehomeless.(2013济宁).—“FoodSafety”eoneofthehottesttopicsrecently(2013宜宾)—Yeah,hits(点击) )1-3,first,second,third。2)4-19,相应基数词+th,特殊拼写:fifth,eighth,ninth,twelfth。3)20-90,y变成ie+th,如twentieth。4)21-99,只把个位的基数词变成序数词如twenty-first。5)序数词缩写----数字+最后两字母如1st,2nd,3rd,4th…基变序,有规律,一、二、三,特殊记,面目全非要注意,加th从4起,八少“t”,九去“e”,“ve”要用“f”替,(five,twelve)见“y”变成“i”和“e”,词尾加上“th”,(twenty,thirty,……y)若是遇到几十几,只变个位就可以。序数词缩写记清楚,数字后跟两字母。(序数词构成规律)(1)序数词作定语,前面要加the;Thefirsttruckiscarryingafoodbasket..(2)有时加a/an,“再一”,“又一”的意思We‘?WhenIsatdown,-fourtha(one)quarter3/4three-fourthsthreequarters2/3two-thirds1/2a(one),分母用序数词。分子大于1时,