题目

完形填空 Look at this girl, she is       1       good friend.        2      name is Cindy. She is     3     .She is thirteen. My      4       is Liu Fang. I’m a Chinese girl. I am one year     5       than Cindy. We are in the same class. Cindy     6     a great sports collection. She has      7      tennis racket, three baseballs and five      8      . I have       9       sports collection. I only play soccer. Cindy and I both        10      sports after class every day.下列对物质性质的描述中，属于化学性质的是 ( )A. 氢气难溶于水 B. 二氧化碳的密度比空气大C. 酒精有挥发性 D. 氧气能支持燃烧