(
课件网) Unit 5 Into the wild Understanding ideas By the end of this class, students will be able to: 1. know the style of the scientific exposition(说明文) and think critically about the phenomenon; 2. identify the cause and effect; 3. have a better understanding of relationships between humans and animals and respect nature. Learning objectives Choose the animals that migrate. monarch butterfly A Siberian crane 西伯利亚白鹤 B killer whale 虎鲸 C Atlantic salmon 大西洋鲑鱼 D African lion E red panda 红熊猫，小熊猫 F √ √ √ √ Pre-reading Complete the following background information. Animal migration refers to the _____ of a species from one habitat to another in response to seasonal changes to the environment. Often covering great distances and involving huge _____ of animals, it can be fascinating to observe. Migration happens in all parts of the animal kingdom, from fish and insects to birds, reptiles(爬行类动物) and mammals(哺乳动物). movement numbers Let’s watch the video. 1. Skim the text and match the main idea with each paragraph. B. Ways that the monarch migrates. A. Reasons for the monarch’s trouble. D. Definition of animal migration. C. Measures to protect the monarch. Para. 1 Para. 2 Para. 3 Para. 4 Para. 5 E. Details about the monarch’s migration. Activity 1 Fast- reading for main ideas While-reading 2．Where are you most likely to find this passage A．In a scientific research paper about the monarch butterfly’s migration. B．In a popular nature magazine introducing the monarch butterfly. C．In a travel leaflet encouraging people to visit North America. D．In a novel which describes one’s love for the monarch butterfly. 通俗自然杂志 √ 3．What’s the type of the passage A．Narration. B．Argumentation. C．Exposition. D．A news report. √ Learning tip of exposition: cause—effect analysis 说明文学习小提示：因—果分析 What are the causes and effects of this event What might happen next cause–effect flow chart cause cause effect What will happen next 1.What is migration Animals’ _____ movement from one place to another at _____ times of the year is called migration. 2.Why do animals migrate They migrate to find food, seek a partner/mate(配偶), or in search of warmer weather. Para. 1 annual certain Activity 2 Careful- reading for details 3.What does the word “that” in the last sentence refer to It refers to the migration. 4.What does the author think of the monarch’s migration Among the most wonderful migrations. The monarch butterfly’s migration Time Distance Route Autumn Around 4,000 kilometers From North American to southern California or Mexico. Para. 2 long and difficult Fill in the blanks. Route Para. 2 Para.3 How can they find their way to their destinations Complete the sentences with expressions from the passage. Then use the sentences to complete the “cause-effect” flow. a. The monarch butterfly is able to tell _____. b. Using these two pieces of informati ... ...
