题目

词汇运用 A. 根据短文内容和括号内所给汉语意思，写出空白处各单词的正确形式（每空一词）。     Hello, Boy and girls, my   1  (名字)is Mary. I’m from Canada. I’m 12years old. I have a big   2   （家庭）. There are    3 （七）people in my family, my grandparents, my parents, my aunt, my brother and I. My grandparents are old, and their hair is   4   （白色的). My parents are    5 （教师）. They teach English   6   (在) No.1 Middle School. My brother is Mike. He likes sports very much, and he often    7  (下列分子中各原子最外层均达到8电子稳定结构的是（　　） A、SCl2、PCl3、CO2B、AsH3、BF3、BeCl2C、XeF2、PCl5、ClO2D、H2SO3、CO2、BrF3