Module 2 Unit 3 The Earth Part 4 Viewing 课件 -2023-2024学年沪教牛津版（广州沈阳通用）英语七年级上册

Part 4　Viewing 仔细读图及图中文字,回答问题 建议用时:15～20分钟　　　实际用时:　　分钟 1.What are three main kinds of pollution on the earth? 　 _ 2.What chemicals may lead to acid rain/deposition and global warming? 　 _ Air, land and water pollution. SO2, NO2 ; CO2　 Sources of air pollution, Minnesota’s[明尼苏达州(美国)] emissions of fine particles (PM2.5), by Minnesota pollution control agency, 2020 Percentages indicate the approximate amount of total emission inventory. 3.Based on data of the survey in 2020, what are top 2 sources of PM2.5? 　 _ Residential woodburning and emissions from facilities. (1)我读图时能够图文结合。 (2)我能够注意到图示内容呈现的关系。 (3)我对环境污染的类型和原因有了一定了解。 建议用时:15～20分钟　　　实际用时:　　分钟 The video from National Geographic is about causes and effects of climate.Watch the video for three times and answer the following questions. 一、第一次观看抓主要观点(原视频语速较快,以0.6倍速播放) 1.What is greenhouse effect? 　 　  　 　  　 　  Greenhouse effect means some gases in the atmosphere that let the sun’s light in but keep some of the heat from escaping, and it means the earth’s temperature increases. 2.What cause the earth’s temperature to rise? 　 　  3.In what aspects can the consequences of climate change be found? 　 　  　 　  4.What can we do to decrease the rapid rate of climate change? 　 　  　 　  Human activities from pollution to overpopulation. Consequences can be found in the aspects of oceans,weather, food resources and health. Humans can replace fossil fuels with renewable energy (solar and wind).　 二、第二次观看抓