A:碳酸钙受热分解
B:乙醇燃烧
C:铝粉与盐酸反应
D:氧化钙与水反应
给下列图片选择合适的句子或对话。
A.It's cold.
B.It's 11:00.
C. Put on a cap
D. Is it cold? -No.it isn't.It is hot
E. Take off your shoes.