1、Lesson8:First,Second,Third1.NumbersThis is a race.The girl is the first.The girl in White shirt is the second.The girl in pink blouse is the third.1.Numbers1.one2.two3.three4.four5.five6.six7.seven8.eight9.nine10.ten11.eleven12.twelve1.Numbers1.first2.second3.third4.fourth5.fifth6.sixth7.seventh8.ei
2、ghth9.ninth10.tenth11.eleventh12.twelfthLets count!基变序，有规律，词尾加上th。123，特殊记，词尾字母t,d,d.8去t,9去e，f来把ve替。整十y变i，th前有小e来。基变续，有规律，词尾加上th;一二三，特殊记，词尾字母t,d,d(first,second,third);八去t(eighth),九去e(ninth)，f来把ve替(five-fifth,twelve-twelfth);单词ty作结尾，ty变成tie(twenty-twentieth);若是碰到几十几，只变个位就可以(twenty-one-twenty-first).序数
3、词表顺序，一般需用定冠词。巧 记 口 诀2.Days of the weekLets say the days of the week.Sunday is the first day of the week.Monday is the second day of the week.Tuesday is the third.Wednesday is the fourth.Thursday is the fifth.Friday is the sixth.Saturday is the seventh.一、：写出下列词的序数词1.one 2.two3.six 4.five 5.nine 6.twe
4、lve 7.eight8.twenty-one 二、写出下列单词的基数词1.third 2.fourth 3.tenth 4.twentieth 5.nineteenth 6.thirty-first 基数词和序数词的练习题选择题()1.There aredays in a week.A.the seven B.seventh C.the seventh D.seven()2.Sunday is theday of a week.A.one B.first C.second()3.There aredays in a week.A.the sevenB.seventh C.the seventh D.seven（）4.July ismonth of the year.A.one B.second C.the second
