Unit 6 Survival Starting out & Understanding ideas 课件-2023-2024学年高二英语外研版（2019）选择性必修第二册

外研选择性必修 第二册 Unit 6 Period 1 Starting out & Understanding ideas (I) 1 2 To know the difficulties and how to survive in different situations To get the main idea of the passage, work out its structure, and express opinions about urban development and wildlife protection 学习目标 目标一：To know the difficulties and how to survive in different situations Activity 1: Look at the pictures and answer the questions. 1 What does each picture show? 2 What difficulties would people have surviving in these situations? 1 The picture shows that an earthquake has happened. The road is cut off. 2 People would find it difficult to leave the area to find safety, or to receive supplies such as food, water, medicines and fuel. Power and communications may have been cut off by the earthquake. There is a risk of further quakes via an aftershock. 1 The picture tells us that a disease has broken out and is probably spreading. 2 People may face difficulties such as quarantine, shortage of hospital services and panic-buying of essential medicines, food and other supplies. There may be misinformation and panic. 1 In the picture, we can see a ship sinking. 2 People who are unable to escape the ship on a lifeboat face the immediate dangers of drowning or of dying from exposure. Those who do escape on a lifeboat need to ration their food and water, and hope for rescue as soon as possible. 1 The picture shows us a dense jungle. 2 People would find it difficult to travel and navigate. It would also be difficult to find food and water. Wild animals and venomous insects are also potential problems. 1 In the picture, we can see an astronaut in space. 2 Space is the most extreme environment for human beings. They face danger from extreme temperatures, low pressures and radiation. They must carry everything they need with them, even air. The lack of gravity makes simple actions such as eating, drinking, moving and even sleeping difficult. Anyone who spends too long in a zero-gravity environment risks