题目内容
8．-How do you keep fit？-I live on____floor．I walk upstairs instead of taking the lift every day．（ ）
| A． | twelve | B． | the twelve | C． | the twelfth |
分析 --你是怎样保持健康的？--我住在第十二层楼．我每天走上楼，而不是坐电梯．
解答 答案：C．考查序数词．句意：--你是怎样保持健康的？--我住在第十二层楼．我每天走上楼，而不是坐电梯．根据最后一句I walk upstairs instead of taking the lift every day．我每天走上楼，而不是坐电梯．可知题干意思为我住在第十二层楼．应该用序数词 twelfth，这里表示特指，前面加定冠词the．故选C．
点评 了解序数词用法，再结合具体语境进行选择．
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