1. 疑问代词即指 who, whom, whose, which, what 等用于引出特殊疑问句的代词。它们在句中可用作主语、表语、宾语、定语等。如:What did she say? 她怎么说?(what 作 say 的宾语)Which are our seats? 哪些是我们的座位?(which 作表语)What are you worrying about? 你为什么事烦恼?(what 作 about 的宾语)注意:1. who 和 whom 只用作主语、宾语和表语,不用作定语;what, which, whose 则既可用作主语、宾语和表语,也可用作定语。2. what 与 which 的用法区别:当选择的范围较明确时,用 which;当选择的范围不明确时,用 what。如:Which color do you like, red, black or white? 红色、黑色和白色,你喜欢哪种?What color is your car? 你的汽车是什么颜色的?来源:学优中考网 xYzKw来源:学优中考网