以下生活用品中，材料的硬度最大的是

题干

以下生活用品中，材料的硬度最大的是（）

A：陶瓷杯

B：纸杯

C：塑料脸盆

D：肥皂

上一题下一题 0.0难度选择题更新时间:2011-01-05 10:03:18

New Library Rules
1. Open time: 8:30am.-4:30pm. From Monday to Friday.	6. No taking books out if you don't ask the people here.
2. No talking.	7. Keep the library books for only one week.
3. No eating any food.	8. Give the books back on time.
4. No listening to music.	9. Renew (续借)books on time.
5. No taking photos.	10. Pay for the lost books.