Unit 5 Developing ideas 导学案-2022-2023学年高中英语外研版（2019）必修第一册

Unit 5 Into the wild 导学案 Step 1 　General reading 1. What is the main idea of the passage? A. The monarch’s migration. B. The reasons for monarch’s migration. C. Mexico’s monarch. 2. Choose where you are most likely to find the 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. 3..Read the text and match the main idea of the paragraphs. 1．Para. 1　 A．How to save the monarch butterflies. 2．Para. 2　 B．The scientists have solved the mystery of the monarch butterflies' migration. 3．Para. 3 C．The mystery of monarch butterflies. 4．Para. 4　 D．The simple introduction of animal migrations. 5．Para. 5 E．The reason why the population of monarch butterflies has crashed. Step 2　Careful reading Read the text carefully and choose the best answer. 1．According to the passage, animals migrate for many reasons except ________. A．finding food　 B．seeking a partner C．enjoying beautiful scenery D．searching of warm weather 2．What mystery the scientists have solved? A．Why monarch butterflies migrate. B．Where monarch butterflies spend the winter. C．When monarch butterflies change their directions of migration. D. How monarch butterflies succeed in migrating. 3．What can we infer from the passage? A．Every summer, monarch butterflies will manage to travel north. B．The population of the monarch butterflies may become larger and larger. C．The main reason why the population of the monarch butterflies is falling is human activity. D．People have made it a reality that monarch butterflies have enough plants to eat. Step 3 Read the passage carefully and do activities. a. The monarch butterfly is able to tell___________________. b. Using these two pieces of information, the monarch butterfly determines _____________. c. The monarch butterfly measures ____________________with its eyes. d. The mon