1、,（1）从110 one，two，three，four，five，six，seven， eight， nine， ten,（2）从 1119 eleven，twelve， thirteen， fourteen， fifteen， sixteen， seventeen，eighteen， nineteen,基数词 ： 表示数目的词称为基数词。 其形式如下：,这里除 eleven， twelve， thirteen， fifteen， eighteen为特殊形式外，fourteen，sixteen，seventeen，nineteen都是由其个位数形式后添加后缀-teen构成。,（3）从 2099
2、 整数几十中除twenty，thirty, forty，fifty，eighty为特殊形式外，sixty，seventy，ninety都是其个位数形式后添加后缀-ty构成。表示几十几时，在几十和个位基数词形式之间添加连字符“-” 21 twenty-one 76 seventy-six,序数词是指表示顺序的数词。,口诀,基变序，有规律，词尾加上-th。 一，二，三，特殊记，词尾字母t，d，d。 八去t，九除e，ve要用f替，ty将y变成i，th前面有个e。 若是碰到几十几，前用基来后用序。 整十基数变序数，先把ty变成tie，要是遇上2位数，十位基数，个位序， th最后加上去！,Read an
3、d choose,There are _ books in our classroom.A. twenty-one B. twentieth-oneC. twentieth-first D. twenty- first,There are _ students in our school.A. thirty-four B. thirty-fourthC. thirtieth-four D. thirtieth- fourth,My cousins birthday in on the _ of October. A. three B. first C. the second,What date
4、 is it today? Its _of April. A. twelfth B. the 12th C. 12th,March the _ is Womens Day.A. eighth B. ninth C. tenth D. eight,December the _ is Christmas. A. twenty-five B. twenty-fifthC. twentieth-five D. twenty-five,May is _ of a year. A. the fifth monthsB. the fifth month C. the five months D. the f
5、ive month,. -How many English books are there on the table?-There is only _English book on it.A. a B. an C. one D. the,. Sunday is the _ day of the week.A. a B. one C. once D. first,There are _days in a week. A. the seven B. seventh C. the seventh D. seven,根据句子意思填空。,1. Childrens Day is on the _ of June. 2. There are _ months（月）in a year(年). 3. Teachers Day is on the _ of September. 4. Three plus(加) six is _.,
