目前，我们达到的小康是低水平的、不全面的、发展很不平衡的小康。其根本原因是（    ）

西瓜之所以甘甜可口，主要是因为大量的糖分存在于西瓜果肉细胞的哪一结构内？（  ）

13-6____7         15-5____9      14-5____8

11-3____7         12-4____12-5    11-2____12-3

根据短文内容，选择正确答案。

    I am a student in China now. My name is Kelly Smith. I live with my parents, two sisters and a brother in Beijing. My parents teach English in No. 6 Middle School. I study in the same school. I am happy here, because I like my new school and the classmates. They are very kind to me. They like to play with me because I look different from them. I have blue eyes and long blond hair. They often say I look like a doll. Also I speak English well. so lots of students like to tam with me to improve (提高) their English.