Unit 8,Self Check,一月 二月 三月 四月 五月,January,February,March,April,May,说出月份名词,六月 七月 八月 九月 十月 十一月 十二月,June,July,August,September,October,November,December,one two three four five six seven eight nine ten,first second third fourth fifth sixth seventh eighth ninth tenth,1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th,基数词,序数词,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,eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty,eleventh twelfth thirteenth fourteenth fifteenth si
