Unit 5 Into the wild Understanding ideas 课件-2023-2024学年高中英语外研版（2019）必修第一册

B1U5 Understanding ideas The monarch’s journey Do you know the names of these animals? monarch butterfly Siberian crane red panda Atlantic salmon Killer whale African lion Choose the animals that migrate monarch butterfly Siberian crane red panda Atlantic salmon Killer whale African lion (certain types) Animal migration 1 What do you know about animal migration? P66, Activity 1 Animal migration refers to the movement of a species from one habitat to another in response to seasonal changes to the environment. Often covering great distances and involving huge numbers of animals, it can be fascinating to observe. Migration happens in all parts of the animal kingdom, from fish and insects to birds, reptiles (爬行动物) and mammals (哺乳动物). Here’s a global map of animal migration. Today, we’re going to explore one of these migratory animals specifically. 4 Read for main idea Read the passage and find out what mystery the scientists have solved. P66, Activity 2 How monarch butterflies manage to travel a long distance and find their way to their destination. 5 Read for main idea What is the writing style of this passage? narrative 记叙 expository 说明 argumentative 议论 Read for main idea Choose where you are most likely to find the passage. P68, Activity 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. How can you tell? The Monarch’s Journey 7 Read for details Complete the sentences with expressions from the passage. P69, Activity 4 a The monarch butterfly is able to tell 1 . b Using these two pieces of information, the monarch butterfly determines 2 . c The monarch butterfly measures 3 with its eyes. d The monarch butterfly reaches 4 . e Humans 5