装饰抹灰工程中，用到的颜料是（）颜料。
A.有机
B.无机
C.有机主无机
D.生物
参考答案：D
“我的文档”是所创建文档的默认存储地点。( )
Professor White contributed a lot to our community,（）
A.teaching, writing, and lecturing
B.teaching, writing, and a lecturer
C.a teacher, a writer, and lecturing
D.teaching, lecturing, and a writer
