下列物质敞口放置，质量会减轻的是[ ]
A.氢氧化钠
B.浓硫酸
C.浓盐酸
D.碳酸钙
答案：C
—How does Lisa feel?
—____________.[ ]
A. I'm sad.
B. She's tired.
C. He is happy.
八大菩萨
