unit 5 Humans and nature Lesson 3 Race to the pole（1）-课件-2021-2022学年高一英语北师大版（2019）必修2

Humans and Nature Unit 5 Lesson 3 Part 1—Lead in Lead in Imagine you are the explorer of Antarctic. What difficulties do you think you may face there? What preparations do you need to make? Group work Show time! Part 2—Words and Expressions Words and Expressions explorer /ɪkˈsplɔːrə(r)/ n. 探险者 e.g. Explorers traced the Nile River to its several headstreams in Central Africa. Words and Expressions preparation /ˌprepəˈreɪʃn/ n. 预备，准备 e.g. Preparation for the party started early. Words and Expressions sledge /sledʒ/ n. 雪橇 e.g. The sledge ran smoothly over the frozen snow. Words and Expressions ski /skiː/ n. 滑雪板 vi. 滑雪 e.g. We went skiing in France in March. Words and Expressions tent /tent/ n. 帐篷 e.g. We could pitch our tent in that field. Words and Expressions boot /buːt/ n. 靴子 e.g. a pair of brown leather boots Words and Expressions captain /ˈkæptɪn/ n. 队长；组长 e.g. The captain gave the order to abandon ship. Words and Expressions polar /ˈpəʊlə(r)/ adj. 极地的，地级的 e.g. Warmth melted so