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课件网) Unit 5 Understanding ideas --The Monarch’s Journey Learning aims 1.To understand the text in details. 2.To improve the reading skills, especially fast reading and careful reading. 3.To use the flow chart to express cause—effect relationship. 4.To enhance the awareness of protecting animals. Migrate means animals move from one place to another. There are many animals that migrate every year. monarch butterfly Atlantic salmon Siberian crane killer whale （鲑鱼） （西伯利亚鹤） （虎鲸） （黑脉金斑蝶） migration migrate v.迁徙 n. 迁徙 The Monarch’s Journey The North America Mexico California The monarch takes a journey from_____to _____and_____. While Reading （一）Many animals move from one place to another at certain times of the year. This annual movement is called migration. 许多动物都会在每年的特定时间从一处迁移到另一处。这种一年一度的行为叫作“迁徙”。 They migrate to find food, seek a partner, or in search of warmer weather. 它们为了觅食、寻找配偶或温暖的环境而迁徙。 One of the most wonderful migrations in nature is that of the North American monarch butterfly. 自然界最为壮观的迁徙之一就是北美洲黑脉金斑蝶的迁徙。 The Monarch’s Journey 黑脉金斑蝶的旅程 1、from one...to another 从一个……到另一个…… 2、annual / nju l/ adj. 一年一度的，每年的 an annual movement 一年一度的行为 / 活动 3、 migrate /ma ɡre t/ v. 移栖，迁徙 4、 seek /si k/ v. 寻找，寻求 seek advice/help 征求意见 / 寻求帮助 5、in search of 寻找 （二）Every autumn, millions of these beautiful insects with fine black and orange wings begin a long and difficult journey. 每年秋天，数百万只这种翅膀橙黑相间的美丽昆虫都会开启漫长且艰辛的旅程。 Somehow they manage to travel around 4,000 kilometres south and find their way to California or Mexico. 它们总是能够完成约 4 000 千米的南行旅程，成功到达（美国）加利福尼亚州或墨西哥。 However, until recently no one knew how they did this. 然而，直到最近人们才明白它们是如何做到的。 1、millions of 数百万的 2、somehow adv. 用某种方法，不知怎么地 3、 manage to do sth. 设法做成某事 4、、 find one’s way to... 到达……；找到去……的路 appearance reasons to migrate time of migration places to migrate distance to migrate Complete the chart (Para1-2) beautiful insects with fine black and orange wings find food, seek a partner, in search of warmer weather every autumn 4000 kilometres California or Mexico （三）A team of scientists led by Professor Eli Shlizerman at the University of Washington has now found the answer. 一支由伊莱·史利泽曼教授领导的来自华盛顿大学的科学家团队现已找到了答案。 They have found out that the monarch is able to tell the time of day. It uses its eyes to measure the position of the sun. 他们发现，黑脉金斑蝶可以判断时间，并能用眼睛测量太阳的位置。 These two pieces of information— the time of day and the point where the sun is in the sky 这两条信息—一天中的时刻和太阳在天空中的位置 — allow the butterfly to determine the way to go.让黑脉金斑蝶能够判定前进方向 。 Eventua ... ...
