Unit 5 Period 2 Understanding Ideas 课件-高一上学期英语【精彩课堂】精品课件（外研社2019必修第一册）

Understanding ideas Unit 5 Into the wild Do you know the names of these animals? monarch butterfly Siberian crane red panda Atlantic salmon Killer whale African lion Look and choose the animals that migrate. monarch butterfly Siberian crane red panda Atlantic salmon Killer whale African lion √ √ √ √ What do you know about animal migration? Animals that migrate Time of animal migration Reasons for animal migration Influences of human activities on animal migration animal migration Pre-reading What does the video mainly talk about? It’s about monarch butterflies' amazing migration to Mexico. 点击图片即可打开有关“黑脉金斑蝶”的视频链接；如不能打开，请重新链接即可。 While-reading What is the main idea of the passage? A. The monarch’s migration. B. The reasons for monarch’s migration. C. Mexico’s monarch. The main idea of a passage can be found from its title, the topic sentence, or even the pictures. Read the passage and find out what mystery the scientists have solved. The scientists have solved the mystery of how monarch butterflies manage to travel a long distance and find their way to their destination. 点击passage即可打开该文章的PPT版多模态文本资源。 Choose where you are most likely to find the passage. Ex 3 1 In a scientific research paper about the monarch butterfly's migration. 2 In a popular nature magazine introducing the monarch butterfly. 3 In a travel leaflet encouraging people to visit North America. paper: article or essay, esp one read to an audience of academics or specialists 论文 magazine: a large thin book with a paper cover that contains news stories, articles, photographs etc, and is sold weekly or monthly 杂志 leaflet: a piece of paper which gives you information or advertises something 传单 What’s the main idea of each paragraph? Para 1 Para 2 Para 3 Para 5 Para 4 wonderful migration serious trouble greater awareness monarch’s mystery amazing ability Why is the monarch’s migration so wonderful? a large number a long distance a difficult journey How do they mana