报废
参考答案：
对无法修复或在经济上不值得修复的不合格品予以废弃的处置。
在高氟区生活可造成氟牙症的年龄为
A．8～15岁
B．16～22岁
C．23～30岁
D．0～7岁
E．31岁以后
—Which dress do you like best, Madam?
—Sorry, I can't decide now.[ ]
A. to buy which one
B. buy which one
C. which one to buy
D. which I should buy it
