对高浓度有机废水和有机污泥的处理一般采用( )。
A．(A) 好氧生化法
B．(B) 厌氧生化法
C．(C) 物理法
D．(D) 化学法
参考答案：B
根据句意及首字母提示补全单词，使句子完整正确。
1. Bob is a quiet boy. He feels nervous to speak in p_________ .
2. I have a bad cold and I c_________ a lot.
3. Don't b_________ the school rules when you are in the school.
4. Who is the w_________ of the writing contest?
5. My teacher e_________ me not to give up studying English.
劳动既是公民的权利，也是公民的义务。（ ）
