北航实验学校中学部 姜瑶Passage 4To most of us, home is the safest and warmest place in the world. But seventh graders at Zhenhai Jiaochuan Academy of Ningbo are trying to figure out ways to escape their homes as quickly as possible in case of an emergency.
21世纪报社版权所有，未经书面授权，禁止转载或建立镜像。 主办单位：中国日报社 Copyright by 21st Century English Education Media All Rights Reserved 版权所有 复制必究 京ICP备13028878号-12京公网安备 11010502033664号
京公网安备 11010502033664号
