题目内容
20．Now boys and girls，turn to Page and look at the picture in Lesson Three．（ ）| A． | Fortieth，forty | B． | Forty，fortieth | ||
| C． | Fourty，fourtieth |
分析 孩子们，现在请翻到第40页看第三课里的第40幅图画．
解答 答案：B 结合题干及选项可知此题应用数词的表达去完成．在数词的表达中，基数词位于单位名词之后，序数词位于单位名词之前，并且加定冠词the．这里Page forty=the fortieth page"第40页"；the fortieth picture"第40幅图画"．故选B．
点评 此题考查数词的用法．本题只要知道数词的这一特殊用法就不难得出答案，那就是基数词位于单位名词之后，序数词位于单位名词之前，并且加定冠词the．要求学生一定要记牢此类用法，不要搞混．
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