题目

已知在实数范围内有意义, 则a的取值范围是        . 答案：a£3解析:略句型转换。1. I have three cousins. (对划线部分提问)2. She works in the same hospital as my father. (对划线部分提问)3. He writes beautiful stories for kids. (对划线部分提问)4.She loves children.（变一般疑问句）5. Who's the woman in the picture? （用their ping-pong coach回答）