Unit 3 Back to the Past Welcome to the unit & Reading 课件-2025-2026学年高中英语牛津译林版（2020）选择性必修第三册

该高中英语课件围绕“Back to the past”主题，聚焦郑和与哥伦布的航海探索事迹，涵盖航行背景、过程、影响及相关词汇。课堂导入通过情景对话和历史人物讨论问题，以表格对比、词汇分类等学习支架，连接文本理解与语言知识应用。 其亮点在于融合文化意识与思维品质，通过中外航海文化对比、因果关系分析（如探索成功因素讨论）及写作指导，提升学生语言能力与跨文化沟通能力。实例包括表格梳理航行信息、小组探讨探索精神，学生能增强家国情怀与全球视野，教师可高效整合语言教学与文化渗透资源。

明镜所以照形，往事所以知今。 —《三国志》陈寿 explanation n. explain sth. to sb. breadth=width convince sb. of sth. convince sb. to do sth. convinced convincing 近： persuade persuasion adaptation adapt to adjust adopt historic figure 人物；身材；数字 face sth.=be faced with sth. 出发时间 出发地点 舰队规模 船员人数 到达地点 总航次 重要性 In the summer of 1405 Taicang Over 200 ships 28,000 More than 30 countries and regions Seven Paras. 3-4 On 3 August 1492 Spain Three ships 90 Caribbean Four Para. 3 要再过500年，才会有一支更大的船队航行于海上。 “it would take + 时间段 + before...” 这一固定句型，表示“经过多长时间才发生某事”‌ at length=in detail rule v. 统治 n.规则 ruler n.统治者；尺子 记录罗盘读数 记录 绘制海岸图 be exposed to evidence 成就 最有影响力的 承认 不予考虑，对…不屑一提 dismiss sth/sb as … 把某人/某事当作…不予理会 去除，摒除 vt. 解雇 (4) vt. 解散 accomplish v. 完成 acknowledge v. 承认；感谢 acknowledgement: n. 造船厂 “与 ...情况一样” 港口城市 inspiration n. What motivated Columbus to begin his career? (Para 1) His living surroundings and his interest in geography. n. /v. attempt to do n. departure be short of v. 看到；败坏 n. 斑点；地点 brave courage n. /adj.be native to 原产于 近：indigenous What made him start the exploration at that time? (Para 2) His own insistence and the financial support from the King and Queen of Spain. A2-3:What challenges did Columbus and his crew encounter during the journey in 1492? (Para 2) A2-4:Why did Columbus call the natives Indians? (Para 2) 课程；进程 使...有可能；考虑到 历史进程 harmonious influential proof glory n. be in harmony with 负责，主管 建立 establishment n. 被埋在 吸引人的传说 fascinate v. fascination n. on behalf of was loaded with strengthened subsequent 代表 装满 加强 由...陪伴 被...震惊 受到皇家接待 company n.公司；陪伴 acknowledged on his deathbed = as he lay dying 在他临终时 符合/按照他的遗愿 为……作证；证明 acknowledgement n. 承认；感谢 有历史性意义的景点 航行 navigate navigator 有效性 efficiency efficient 效率n. 高效的adj. Lavf58.29.100 Codec by Bilibili XCode Worker v4.8.52(fixed_gap:False) $