Unit 5 A Delicate World Starting out and understanding 课件-2025-2026学年高中英语外研版选择性必修第二册

Macquarie Island: from Chaos to Conservation Watch a video and answer questions: Which animals are native to this island and which animals are invading species? Do you want to know? Macquarie Island: from Chaos to Conservation 滕州二中新校321高效课堂 Read the text fast and match main ideas with their paragraphs. Para 1 A. The beauty of the island Paras 2-3 B. The conservation of the island Para 4-6 C.The chaos of the island Listen to Part 1(Para.1) and do a choice. 1.What can we learn from the first paragraph? A.Macquarie Island is a UNESCO World Heritage Site because of its wild and natural beauty. B.The green grass and bare rock of its landscape on Macquarie Island form its beauty. C.Royal penguins, king penguins and elephant seals live in perfect harmony now. D.The writer is standing on Macquarie Island enjoying its wild and natural beauty. √ a short time Why? 1. What animals were brought to the island? 2. What happened after they reached the island? Read Part 2(Para.2-3) and finish the following tasks. After they reached the island: fewer birds soil erosion humans Humans’ careless actions have a bad effect on ecology.                                 time measure(s) purpose(s) result(s) Read para.4-6 and postscript, and fill in the blanks. after the 1970s in the 1980s after 2006 to remove rabbits to remove cats to remove all                                 time measure(s) purpose(s) result(s) Read para.4-6 and postscript, and fill in the blanks. after the 1970s in the 1980s after 2006 to remove rabbits to remove cats to remove all Humans’ improper measures may do greater harm to ecology. 课文语法填空 Rats and mice brought in their ships quickly __________,eating the birds’ eggs and _____________________. Cats brought to the island to control the rats and mice developed a habit of ______________, too. Rabbits introduced to the island _______________for humans multiplied rapidly and began ____________________and ___________, which caused ________________. took over the island attacking any baby birds eating the birds as a source of food eating the native vegetation digging holes soil erosion As a result, parakeets, once large in number and native to the island, died out in 1891. Experts felt it necessary to come up with a plan to __________________ from the island. In 2014, Macquarie Island was declared pest-free and the ___________________is finally on the road to recovery. remove all the rabbits island's ecology Discussion: What do you think is to blame for the chaos in Macquarie Island? rats&mice? cats? rabbits? human's careless actions human's improper measures “We humans owe it to the island to give it a happy ending.” Small action, but big chaos! Protect the nature, and keep ecological balance! Write a proposal (倡议书) of 80 words to call on people to protect the ecology. The following aspects should be included: 1. Introduce the chaos of Macquarie island. 2. What we should do to protect the ecology. (at least three ways) Homework Sentences about protecting the nature Life is like a song and let green render this beautiful melody. It’s everyone’s duty to protect the environment. We won’t have a society if we destroy the environment. Protecting the environment is protecting productive forces. Lavf57.58.101 $