Unit 2 Listening and Talking课件-2022-2023学年高中英语人教版必修第二册

Help the wildlife in your neighbourhood Unit 2 Listening and talking binoculars bird field guide search for n. 双筒望远镜 鸟类图鉴 搜查；搜索 Warming-up A blue whale A Tibetan antelope African elephants Do you still remember these animals? These animals are all in danger. What other animals are also in danger? Canary 金丝雀 California Quail 加利福尼亚鹑 Sialia sialis 东蓝鸲 Match the words with the pictures. 1. binoculars 2. bird feeder 3. bird field guide Task 1 Bird feeder An outdoor device that supplies food for wild birds.They are usually hung from trees and filled with different kinds of seeds or nuts. Especially in winter, birds have less food, which can help and protect them. Binoculars A telescope consisting of two binoculars in parallel. The distance between the two eyepieces can be adjusted so that both eyes can observe at the same time, thus obtaining a stereoscopic（立体） feeling. It has a large field of vision and is often used for navigation, military and field observation of birds. Bird field guide It is a reference book for conducting field bird research and observation, which can help readers quickly identify bird species, and timely understand the brief biological and ecological characteristics, including the temporal and spatial characteristics of bird distribution. In addition, through this book, we can recognize birds, not only recognize bird species and name them, but also let us understand the behavior of birds and understand the relationship between birds and the environment. Choose the right ending for each sentence. 1. Binoculars _________. 2. Build bird feeder _________. 3. Use a bird field guide __________. 4. Put paper cut-outs on windows ________. A. in order to identify birds B. so that birds do not crash into them C. to make sure that birds have enough food D. are used for watching birds from far away D C A B Expressing purposes  This is used for …  I did it to/in order to/so as to …  He has done it so that/in order that