【单选题】遗址中发现的稻种,是目前世界上确认的已知年代最早的栽培稻。
【判断题】河姆渡遗址中发现的稻种是目前世界上确认的已知年代最早的栽培稻,证实中国是世界最早种植水稻的国家。
【单选题】— What do you think of teacher, Bob? — I find it fun and challenging. It is a job _____ you are doing something serious but interesting. [ ]
【单选题】—What ______ you ______ when the phone rang? —I was washing my hair in the bathroom. [ ]
【简答题】根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 The Winner’s Guide to Success How do successful people think? What helps them to make success? To find out the answers, an American scholar recently visited s...
【单选题】在( )遗址中发现的稻种,是目前世界上确认的已知年代最早的栽培稻。