问题
选择题
— My cat's really fat.
— You _____ have given her so much food. [ ]
A. wouldn't
B. couldn't
C. shouldn't
D. mustn't
答案
答案：C
搜题请搜索小程序“爱下问搜题”
— My cat's really fat.
— You _____ have given her so much food. [ ]
A. wouldn't
B. couldn't
C. shouldn't
D. mustn't
答案：C
节能灯不仅省能源，而且对视觉健康有利，颇受消费者青睐，凸显其巨大的经济效益。这体现了 （ ）
| A．商品的使用价值是由社会必要劳动时间决定的 | |
| B．商品的使用价值是价值的物质承担者 | |
| C．商品的价格是在市场竞争中形成的 | D．物美价廉是商品的两个基本属性 |