人教版必修1：Unit4earthquakesWarmingupandspeaking（共35张PPT）.ppt

Unit 4 Earthquake;Look! The earth is crying!;How many natural disasters do you know?;volcanic eruption;flood;How many big earthquakes do you know?;How many big earthquakes do you know?;An earthquake will do great harm to us!!!;The city lay _______.;The buildings _______.; Roads might ______.;Many people were killed or _______.;A great number of people ______________.; What would happen before an earthquake? (weather, the well, animals…); Q1.What would happen before an earthquake? ;Imagine you’ve predicted a big earthquake is coming and you feel your home is beginning to shake! So you must leave it right away. However, you have time to take only one thing. What will you take? Why?;my favorite book; What should we do to keep ourselves safe from an earthquake?;at home;What can we do to keep ourselves safe from an earthquake?;2) If we are in the street, we should protect our heads and move away from high buildings as fast as possible. ;3) If we are in the supermarket, we should stay away from windows or glass doors. Besides, we’d better bend our knees, covering our heads and necks, along the sides of the shelves.;4) If we are outdoors, please lie on the floor instead of running around. Because if we run around, we will die because of the cracks. ;If we meet an earthquake at home, don’t be frightened. We should hide under the desk and the teacher must be calm enough to guide the students to some safe places. ;3) If we are in the supermarket, we should stay away from windows or glass doors. Besides, we’d better bend our knees, covering our heads and necks, along the sides of the shelves.;Supposed at our school a big earthquake is about to occur(发生). What should we do to flee(逃离) an earthquake?;When an earthquake happens in our classroom, we can hide under a ____.;Conclusion;Conclusion;Conclusion;1) When an earthquake happens in our cla