2010 天津 第 5 题 单选题 区分题 2010_天津卷 (英语) 5. (1分)People have always been about exactly how life on earth began. ( ) A. curiousB. excitedC. anxiousD. careful 参考答案A ☆ 收藏不会,直接看解析查看原卷 →