Unit 5 A delicate World Understanding ideas课件-2022-2023学年高中外研版（2019）选择性必修第二册

新标准《英语》高中选择性必修第二册 Activity 1 What animals can you see in the picture? What kind of changes would take place if cats, rats and rabbits were introduced to an environment like this? 2 They would hunt the birds and eat the native vegetation, thus upsetting the local ecological balance. Macquarie Island 麦夸里岛 Macquarie Island is an Australian Island located in the southwestern edge of the Pacific Ocean. It is located at latitude 54 degrees 30 'south and longitude 158 degrees 57' east. It is 1466 km away from Tasmania Island in the northwest and 1294 km south to the Antarctic continent, which is about half the distance from Australia to Antarctica. Macquarie Island is a narrow island with a length of 34 km and a width of just 5 km at its widest point. It covers an area of about 128 square km and is located on the Macquarie Ridge, which runs north-south. 麦夸里岛(Macquarie Island)是澳大利亚的一个岛，位于太平洋西南边陲，地处南纬54度30分，东经158度57分，它距西北的塔斯马尼亚岛1466千米，向南到南极大陆1294千米，大约相当于从澳洲到南极洲的一半路程。麦夸里岛地形狭长，长34千米，最宽处仅5千米，面积约为128平方千米，位处南北走向的麦夸里洋脊(Macquarie Ridge)上。 Macquarie Island has an average elevation of 240 metres and several rocky islets off its coast.It has meteorological and geological stations since 1948. In 1933, it was built as a nature reserve and a breeding ground for the Royal Penguin.There is a seal habitat on the island.Macquarie Island is a place where rocks rise actively from beneath the mantle (a depth of six kilometers below the ocean) to the surface.These rare rocks rising to the sea also include basalt and other rock masses. 麦夸里岛平均海拔240米，岸外有几个岩石小岛。1948年起设有气象和地质考察站，1933年建为自然保护区，为皇家企鹅(Royal Penguin)繁殖地;岛上有海豹栖息地。麦夸里岛是一处岩石从地幔下(海洋下6公里深处)活跃升出海平面的地方。这些罕见的升出海面的岩石也包括玄武岩和其他岩体。 Macquarie Island's animals consists of the Subantarctic Fur Seal, Antarctic Fur Seal, New Zealand Fur Seal and Southern Elephant Seal), more than 80,000 in total.Royal penguins breed only on the island, as do king penguins, Southern Rockhopper penguins and Gentoo penguins.About 100,000 rabbits are also found on the islan