高中自然灾害单词及语法例句教学pptPPT

高中自然灾害单词及语法例句教学PPT一、自然灾害单词1. Earthquake (地震)DefinitionA sudden and violent sh...

高中自然灾害单词及语法例句教学PPT一、自然灾害单词1. Earthquake (地震)DefinitionA sudden and violent shaking of the ground, often causing great destruction, as a result of movements within the earth's crust or volcanic actionExample sentenceThe earthquake caused buildings to collapse and roads to crack2. Tsunami (海啸)DefinitionA long high sea wave caused by an earthquake, submarine landslide, or other disturbanceExample sentenceThe tsunami swept away everything in its path, leaving a trail of devastation3. Hurricane (飓风)DefinitionA storm with a violent wind, in particular a tropical cyclone in the CaribbeanExample sentenceThe hurricane tore through the city, uprooting trees and causing widespread power outages4. Flood (洪水)DefinitionA great flowing or overflowing of water, especially over land not usually submergedExample sentenceThe heavy rain resulted in a massive flood, forcing residents to evacuate their homes5. Drought (干旱)DefinitionA prolonged period of abnormally low rainfall; a shortage of water resulting from thisExample sentenceThe extended drought has led to crop failures and water shortages in the region二、语法例句1. Passive voice (被动语态)Example sentenceThe town was devastated by the earthquake. (地震摧毁了这个城镇。)2. Conditional sentences (条件句)Example sentenceIf a tsunami were to occur, we would need to evacuate immediately. (如果发生海啸，我们将需要立即撤离。)3. Comparative and superlative degrees (比较级与最高级)Example sentenceThe hurricane was more destructive than any other storm in recent history. (这次飓风的破坏力比近年来的任何一次风暴都要大。)4. Present perfect tense (现在完成时)Example sentenceThe city has experienced several floods in the past decade. (这个城市在过去十年里经历了几次洪水。)5. Future tense (未来时态)Example sentenceIf the drought continues, the consequences will be severe. (如果干旱持续下去，后果将会很严重。)以上是“高中自然灾害单词及语法例句教学PPT”的内容，希望对您有帮助。