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1、巧记英语序数词以及基数词和序数词的练习题英语中的数词分为基数词和序数词，而基数词和序数词的的变化学生常出现错误，在教学过程中我总结了以下口诀，学生们用起来就简单多了，并且还不会出错。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);八减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).序数词表顺序，一般需用定冠词。 基数词和序数
2、词的练习题一、：写出下列词的序数词1. one 2.two 3. six 4.five 5. nine 6.twelve 7.eight 8.twenty-one 二、写出下列单词的基数词1.third 2.fourth 3.tenth 4.twentieth 5.nineteenth6.thirty-first _三、根据句子意思填空。1. Childrens Day（儿童节） is on the of June（六月）.2. There are months（月）in a year(年).3. Teachers Day(教师节) is on the of September（九月）.4.
3、Three plus(加) six is .四、选择填空。( )1. My cousins birthday in on the of October. A. three B. first C. the second( )2. What date is it today? Its of April. A. twelfth B. the 12th C. 12th( )3. There are days in a week. A. the seven B. seventh C. the seventh D. seven( )4.Sunday is the day of a week. A. one B. first C. second( )5. Twenty-eight minus(减)six is . A. the twenty- second B. twenty-two C. twenty- second( )6. Four plus(加) is twelve. A. seven B. eight C. nine