Unit 1 Literature
Prepare Yourself
communications satellitemobile telephonyintelligent robotclonetelecommunications
通讯卫星移动通讯智能机器人克隆远程通讯
Prepare Yourself
文学科幻小说空间旅行外星人人类社会高技术信息时代信息产业
literaturescience fictionspace travellingalienhuman societyhi-techinformation ageinformation industry