高二下学期英语外研版选修8 Module1 Reading and vocabulary课件.ppt

Complete the sentences according to the information in the text: 1. Antarctica holds 90% of the world’s ice, and most of its fresh water is________________. 2. There are different types of _________ , flying birds, ______ and whales. 3. Antarctic rocks are very also very important for research. Most of them are __________ from outer space. in a frozen state penguins seals meteorites Answer the following questions about Para 4,5: 1.Who first crossed the Antarctic Circle? And when? 2.What’s the aim of the Antarctic Treaty? The British explorer James Cook crossed the Antarctic Circle in the late 18th century. To prevent the commercial and military use of the continent. In particular, to keep Antarctica free from nuclear tests and radioactive waste, to promote international scientific projects and to end arguments about who owns the land. Appreciate the sentences : 1. With annual rainfall close to zero, Antarctica is technically a desert. 2. Covering about 14 million square kilometres around the South Pole, it is the fifth largest continent in the world. 3.Gases and minerals , in the form of vocanic dust trapped in the ice , can tell us a lot about what the world’s climate was like in past ages. 4. Not until the late 18th century did the British explorer James Cook cross the Antarctic Circle, but he never saw land. 5. Then in 1895, a Norwegian called Carstens Borchgrevink became the first man to set foot on the Antarctic mainland. Reading and Vocabulary (1) Antarctica: the Last Continent How moch have you remembered? 1 explorer 11 penguin 2 annual 12 Antarctica 3 depth 13 algae 4 state 14 lichen 5 adapt 15 moss 6 balance 7 treaty 8 promote 9 inhospitable 10 commercial n. 探险者 adj. 每年的 n. 深度 n. 状态，状况 v. （使）适应 v./n. 使平衡；平衡 n. 条约，公约 v. 促进，增进 adj. 荒凉的 adj. 商业的 n. 企鹅 n. 南极洲 n. 藻类 n. 地衣 n. 苔藓 Atlantic Ocean Pacific