题目内容
7．It is getting more and more convenient to do shopping online．Today is MayD ay．You can save if you want to buy a pair of jeans and shoes．| 淘 宝 网 Taobao．com | Items | Price | Sale |
| Shoes | ￥240 | ￥192 | |
| Dress | ￥300 | ￥210 | |
| T-shirt | ￥90 | ￥54 | |
| Jeans | ￥140 | ￥112 |
| A． | ￥126 | B． | ￥304 | C． | ￥76 |
分析 网上购物现在是越来越方便了．今天是五一．如果你想要买一条牛仔裤和一双鞋子，你可以节省76元．
解答 答案：C．考点是数词的用法．在网上购物的列表里，原价一条裤子是140元，现价是112元，可节省28元；一双鞋子原价是240元，现价是192元，可节省48元；一共节省了76元；故选C．
点评 英语中数词有基数词与序数词之分，基数词表示物品的数目，编号等，序数词表示物品的顺序等，前面一般搭配定冠词the使用．
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