UNIT 3 SEA EXPLORATION-【高考领航】2021-2022学年新教材高中英语选择性必修第四册同步核心辅导与测评课件（人教版）

话题导入·思维激活 * 话题导入·思维激活 众所周知，我们赖以生存的地球，70%以上的面积被海洋覆盖着。在海洋的世界里，不仅有连绵不断的海底山脉、深深的海沟，还有几百摄氏度的火山口；如花儿一般绚丽缤纷的珊瑚多得可以形成一个个海岛；听上去很单薄的海草竟可以像森林一样茂密；在碧蓝色的波涛汹涌的海洋世界里，生活着各种各样的生物，它们千姿百态，颜色更是五彩缤纷，耀眼夺目…… * 话题导入·思维激活 * 语言基础 核心词汇 tale；extend；negotiate；league；royal；withdraw；channel；bond；politics；profession；tournament；mixture；laptop；coverage；applaud；tax；directory；murder；mercy；possession；opponent；log；arrest；merchant；fleet；behold；spice；maritime；manned；submersible；underwater；coral；migration；meanwhile；exploit；gallon；marine 话题导入·思维激活 * 核心短语 set sail；in a league of one's own；withdraw from；in hand；press conference 核心句型 介词后的宾语从句 There's an urgent need to do； With的复合结构； doing做结果状语； as引导时间状语从句，“随着”。 语法　Review of the Infinitive 话题导入·思维激活 * 单元核心素养 语言能力　学习本单元的相关词汇，并能掌握和正确运用这些词汇；能运用所学语言叙述中国丝绸之路的历史、一带一路倡仪的意义以及海洋生态保护的重要性。 思维品质　能运用教学辅助材料自学并检测词汇；能运用读前、听前以及写前谈论和预测、过程中抓住关键信息等策略完成任务。 话题导入·思维激活 * 学习能力　通过丝绸之路、一带一路以及海洋话题的讨论，使学生了解中国在海外关系的历史、努力以及成就。同时意识到在开发海洋资源的同时，一定要高度重视海洋生态保护。 文化意识　通过本单元的学习，让学生通过学习了解中国丝绸之路的历史以及一带一路倡议的意义，加深了解中国在对外经济贸易、文化交流方面所起的作用；同时树立保护海洋资源的意识。 话题导入·思维激活 话题 导入·思维激活 C * 话题导入·思维激活 National Geographic Explorer Zeb Hogan has argued, photographed, and studied many of these freshwater monsters. Some, like the Chinese sturgeon, are “living fossils” that have changed little over millions of years. Pictured is an arapaima fish at an aquarium in Manaus, Brazil. This South American giant can reach lengths of more than 10 feet (3 meters) and weigh upwards of 400 pounds (180 kilograms)． Like several megafish species in our gallery, the arapaima is the focus of conservation projects, which may be racing against time to save these animals in the wild. * 话题导入·思维激活 * 话题导入·思维激活 The world's biggest fish, the whale shark, can reach lengths of 40 feet (12 meters). The world's biggest mammal，the blue whale, can easily reach the length of a city bus and weigh close to 200 tons. Also tipping the scales are giant clams, which can weigh more than 500 pounds (227 kilograms) and live for more than a hundred yea