按材料及施工方式不同分类,墙面装修可分为()、()、()、()、和()等五大类。
参考答案:抹灰类、贴面类、涂料类、裱糊类、铺钉类
等腰三角形△ABC和△DEF相似,其相似比为3:4,则它们底边上对应高线的比为______.
That car accident _________all his life. After that he was limited to a wheelchair.[ ]
A. damaged
B. destroyed
C. harmed
D. ruined