Preview the text of unit one and finish the following two tasks 进行第一单元课文的预习并完成以下两项任务; 1. Summarize the text in English 用英语概括课文大意 2. Segment the text into several parts and summarize each part in English 用英语将课文进行分段总结(即将17个自然段分为几个大的部分,每个部分在讲什么) Instruction说明:use limited but precisely sufficient amount of words; 不用写太多,抓住要点即可 Due time 完成时间: due till next Thursday 截止到下周四(2月20日)