复合地板，可用（）清洁保养，禁忌较少。
参考答案：各种方法
When it comes _________ ourselves at the weekend, he would talk about his fishing experiences in the countryside.
A．relaxing
B．to relax
C．to relaxing
D．being relaxed
国税系统部门预算编制的“二下”，即部门预算（）
A.控制数
B.草案
C.批复
D.建议数
