(
课件网) Unit 6 At one with nature 1. Geographical features 2. Life in different climate zones Complete the passage with a preposition + whom / which. Among the many beautiful treasures people can receive from nature are natural dyes.The most common natural source _____ natural dyes come is plants. Materials for making natural dyes can often be found in gardens _____ colourful flowers are planted. Other natural dyes are made from insects, sea creatures and mineral compounds. Natural dyes are now returning to popularity, especially with artists and craftspeople. The reasons _____ they prefer natural dyes are that the colours are brighter and can be kept longer. Natural dyes are also becoming more popular with consumers _____ caring for the environment is a priority. More and more people feel that by using natural dyes, we can remind ourselves of nature's beauty and protect the natural world. from which in which for which for whom 话题词汇 1. be located off the coast 远离海岸线 2. visit an underwater observatory 参观水下天文台 3. connect the countries Zimbabwe and Zambia 连接津巴布韦和赞比亚两个国家 4. separate England from France 把英国和法国分开 5. with a length of 长度为 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. 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. 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. 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. a b c d Geographical features Read the descriptions and match them to the pictures Work in pairs. Talk about other geographical features in the world. plain basin hills plateau desert (沙漠) Gobi(戈壁) swamp(沼泽) isthmus(地峡) glacier (冰川) coast (海岸) bay (海/湖湾) lagoon 泻湖 karst (喀斯特) Danxia landform (丹霞地貌) delta (三角洲) Format of an E-mail attachment greetings closing/ sign-off Activity 5 sender receiver sea Activity 5 Complete the email with the words in bold in Activity 4. reef river basin canyon valley falls waterfall channel tunnel sea waterfall valley Basin Listening Life in different climate zones How many climate zones are there on the earth What are they Lead-in: climate zone Tropical zone Temperate zone Polar zone 温带 极带（区）；寒带 热带 Life in different climate zones Did YOU KNOW Facts about the Arctic region Around four million people live in the Arctic region, of whom around 170,000 are Inuit. ln the Arctic, the temperature can reach as low as -70 ℃. The ... ...
