Unit6 Survival Period4Developing ideas 教案-2022-2023学年高中英语外研版（2019）选择性必修第二册

Unit6 Survival Period4Developing ideas教案 Topic Plan B:Life on Mars? Teacher Teaching Aims: 1.Get the students to understand the whole passage. 2.Improve students’ ability of reading information . 3.Introduce the problems faced by human survival and the efforts made by human beings in the exploration of Mars. Teaching important Points: 1.Help the students to get the main idea by reading the passage. 2.Guide the students to feel the theme of the text on the basis of understanding. 3.Guide the students to understand the problems faced by mankind and the importance of protecting the earth. Teaching difficult points: 1.Training the students to grasp the skills of fast-reading and getting the text’s structure. 2.Stimulate the students’ reading interests of learning English by reading the text. 3.Master some usage of key sentences. Teaching methods: Question-inquiry Teaching Teaching type: Reading 课 时 one Teaching procedure: Teaching contents: Step1:Greeting Step2: Pre-reading Step3: Fast-reading Step4: Careful-reading Step5: Post-reading Summary: Greet the whole class as usual. Task1:Introduce the topic of Mars through pictures or a short video. Task2:Guide the students to discuss some factual information about Mars. Task3:Ask the students to complete the quiz and find out how much they know about Mars. Try to guess if they are not sure of the answers. How much do you know about MARS? 1. Mars is the smallest planet in the solar system. a. second b. third c. fourth 2. The surface of Mars is covered in a. rocks b. water c. grass 3. The average recorded temperature on Mars is a. 40°℃ b. 2°C C.-63℃ 4. One day on Mars is about long. a.18 hours b. 24 hours c. 37 hours Answers: 1. a 2.a 3.c 4.b Task1:Guide the students to read the passage and find out why humans might live on Mars. Answer:Because Mars is relatively close to Earth and has an environment less hostile than that of other planets. Task2:Match the main idea wit