中考英语专题复习 专题四 数词课件.ppt

专题四数词 一 基数词 温馨提示 基数词修饰hundred thousand million billion dozen等词时 这些词要用单数形式 若与介词of搭配构成短语表示不确定的数目时 这些词要用复数形式 例如 twohundredstudents二百名学生threethousandsheep三千只羊hundredsofdollars几百美元millionsofworkers数百万工人 即学活用 1 million ofgirlstookpartinthehappygirlcompetitionbutonlyfewofthemsucceeded 2 itisreportedthatovereight thousand peoplelosttheirlivesintheearthquakeinnepalthisyear 答案 1 millions2 thousand 二 序数词 巧学妙记 基数词变序数词规律基变序 有规律 末尾加上 th 一 二 三特殊记 面目全非要注意 八加th 九去e ve要用f替 逢十改y为ie 后跟 th莫忘记 若想表示几十几 只变个位就可以 即学活用 1 the two biggestearthquakesinnepalhavekilledmorethan8 000people 2 thisisthe three timethaticometoparis ihavebeenheretwice metoo theworldissolargethatiwanttoseemoreofit 3 rosereceivedaletterfulloflovefromherparentsonher sixteen birthday 4 doyouknowwheremrsmith sofficeis it sonthe five floorofthetallbuildingacrossthestreet 5 haveyouevercometoweishanlakebefore no thisismy one visittoweishanlake 答案 1 second2 third3 sixteenth4 fifth5 first 三 数词的应用 即学活用 1 thenumberofthestudentsinhisschoolisabouteight hundred andtwo three ofthemareboys 2 sofar three quarter ofthestudentsinourclasshaveseenthefilm 3 shebegantoplaytabletennisinthe1970s andbecamefamousinher twenty 4 boysandgirls pleaseturntopage five andlookatthe five picture 5 what sthedatetoday it saprilthe twelve