Unit 4 Earthquakes Warming up & Pre-reading课件必修一 课件VIP免费

EarthquakesUnit 4Unit 4Warming up & Pre-reading What might happen if there What might happen if there were an earthquake?were an earthquake?Buildings might________________ crack and burst裂缝，破裂爆裂，突然破裂 The railway tracks might_________________________________________________ become useless pieces of steel The bridge might__________________ fall down Roads might____________. crack There might be________ all over the city. The electricity might be ______ for several days too.firescut off Zhang Heng seismograph( 地动仪） Do you know what would happen before an earthquake?(signs)Water in wellsrises and fallswarning signs before an earthquakeSmelly （发臭的，有臭味的） gas comes out of wells.warning signs before an earthquakeAnimals arenervous.warning signs before an earthquakeThere’re brightlights in the sky.warning signs before an earthquakeLoud sound can be heard.warning signs before an earthquake What should we do to protect ourselves if an earthquake happened?Let’s have a try!Group Work: an interview There are several survivors ( 幸存者 ) from Wenchuan earthquake. Now you are a reporter to interview （采访 ) them. You may begin like this: 1. Good morning Mr/Mrs…. 2. Could you answer me some questions ? 3. What did you see and hear during the earthquake? 4. Were there any signs before the earthquake? 5. How did you protect yourself? What should we do for these survivors from Wenchuan earthquake? HomeworkHomeworkWrite a short passage about Write a short passage about an earthquake.an earthquake. Pre-view the reading text.Pre-view the reading text.