Unit 5 Humans and nature Lesson 3 Race to the pole 课件 -2023-2024学年高中英语北师大版（2019）必修第二册

Unit 5 Humans and Nature Lesson 3 Race to the Pole 重点单词 1．____________ n. 探险者；勘察者 2．____________ n. 预备，准备 3．____________ n. 滑雪板； vi. 滑雪 4．____________ n. 帐篷 5．____________ n. 靴子 6．____________ n. 队长；组长 7．____________ adj. 极地的，地极的 8．____________ n. 基地，大本营；基础 vt. 以……为基础 9．____________ adv. 焦虑地；不安地 explore preparation ski tent boot captain polar base anxiously 重点单词 10．____________ n. 抱负，雄心；追求，夙愿 11．____________ n. 探险；探索 12．____________ adj. 高兴的，兴高采烈的 13．____________ vt. 证明；证实 14．____________ adj. 久远的；遥远的 15．____________ n. 洲，大洲；大陆 16．____________ n. 坦诚；诚实，正直 17．____________ n. 真诚，真挚，诚实 18．____________ n. 勇气；勇敢的行为 ambition exploration cheerful prove distant continent honesty sincerity bravery 重点词块 1．in preparation for _________________________ 2．break down _________________________ 3．at one time _________________________ 4．carry on _________________________ 为……做准备 停止运转，出故障　 曾经有一个时期，一度 继续走，继续行进 Background knowledge Antarctica It is the coldest and driest continent on the Earth, 90% of which is made of ice; it’s inhabited by penguins. courage strength in the face of fear 南极洲是围绕南极的大陆，地球七大洲之一。南极大陆几乎全被冰川覆盖。整个大陆只有少数地方无长年冰雪覆盖，动 植物能够生存。全境为平均海拔2350米的大高原，是世界上平均海拔最高的洲。 南极洲每年分寒、暖两季，4月一10月是寒季，11月—3月是暖季。在南极圈内暖季有极昼现象，寒季则有极夜现象，并 有绚丽的极光出现在南极圈附近。南极洲蕴藏的矿物有22余种，生活的动物有企鹅、海象、海狮、信天翁等。 背景小贴士 Background knowledge The South Pole  It is located on Antarctica, one of the Earth’s seven continents.  It is the southernmost point on the Earth.  The South Pole has low temperatures and humidity and high elevation, making it an outstanding place to study astronomy. Look at the photos of Antarctica. What difficulties do you think explorers may face there? Activate and Share temperature transportation weather terrain ... [təˈreɪn] n. 地形 What preparations do the explorers need to make? Activate and Share Try to think:  How would they get food?  What’s their way of transportation?  How would they get over the harsh weather? carry or depot enough food, build food bases... sled