Unit 6 Using language （ppt课件+视频）(002)-新外研版（2019）《高中英语》必修第一册.zip

geographical featuresWhat geographical features do you know?plateau basinplainhillmountainloess landformThe appearance of the loess is the product of strong erosion during the accumulation of loess.China is the country with the widest distribution and thickest loess in the world.Karst geomorphology Karst is a general term for the surface and underground morphology formed by the dissolution of soluble rocks by dissolved water,also known as karst landform.glacierGlacier landforms are shaped by the action of glaciers.danxia landformDanxia Landform is a landform with steep cliff slopes developed by the red layer dominated by the continental facies.windy landformWindy landforms are mainly distributed in arid and semi-arid climate areas.Geographical features have a great effect on the lives of the local people.Activity 4 Read the descriptions and match them to the pictures.1 Located off the coast of Australia，the Great Barrier Reef is the biggest structure made by living organisms.You can explore the Great Barrier Reef by visiting an underwater observatory.2 Part of the Colorado River Basin，the Grand Canyon is a valley that is almost two kilometres deep.Tourists can stand on a narrow glass platform called the Skywalk to see the Grand Canyon.3 Victoria Falls is the largest waterfall in the world.The local people call it“the smoke that thunders”.The Victoria Falls Bridge connects the countries Zimbabwe and Zambia.4 The English Channel separates England from France.These two countries are joined by the Channel Tunnel，a rail tunnel with a length of about 50 kilometres，most of which is under the sea.1 Located off the coast of Australia，the Great Barrier Reef is the biggest structure made by living organisms.You can explore the Great Barrier Reef by visiting an underwater observatory.underwater underwater obsevatoryobsevatory2 Part of the Colorado River Basin，the Grand Canyon is a valley that is almost two kilometres deep.Tourists can stand on a narrow glass platform called the Skywalk to see the Grand Canyon.3 Victoria Falls is the largest waterfall in the world.The local people call it“the smoke that thunders”.The Victoria Falls Bridge connects the countries Zimbabwe and Zambia(津巴布韦和赞比亚).4 The English Channel separates England from France.These two countries are joined by the Channel Tunnel，a rail tunnel with a length of about 50 kilometres，most of which is under the sea.Video:channel tunnela videoEnglish channelActivity 5 on page 88:Complete the email with the words in bold in activity 4.valleyBasinsea waterfall Located in Ningbuyi and Miao Autonomous County,Anshun City,Guizhou Province,China,it belongs to the Baishui section of the Kebu River,a tributary支流 of the lower reaches of the Beipan River,a tributary of the Beipanjiang River,a tributary of the Xijiang River.It is the largest first-class waterfall in the Huangguoshu waterfall group and one of the worlds famous waterfalls.It is famous for its great water.The height of the waterfall is 77.8 meters,of which the main waterfall is 67 meters high;the waterfall is 101 meters wide,of which the top of the main waterfall is 83.3 meters wide.Huangguoshu Waterfall is an erosive cracked waterfall in the karst landscape.Huangguoshu Waterfall became famous for its in Xu Xiake,a traveler in the Ming Dynasty.After the travel and spread of celebrities in previous dynasties,it has become a well-known scenic spot.