Unit 4 Natural disasters主题语境——人与自然之灾害防范【语境概说】 本单元的主题是人与自然，涉及的话题是自然灾害与防范、安全常识与自我保护。单元话题可以使学生了解自然灾害，培养学生的灾害防范意识，对学生进行防灾减灾教育。同时，鼓励学生开展小组活动，增强合作意识。Misfortunes tell us what fortune is.不经灾难不知福。The last drop of humans will be tears of regret after environmental damage.人类的最后一滴水将是环境破坏后悔恨的眼泪。Nature is kind of a loving mother，but also a butcher in cold blood.自然不仅是慈爱的母亲，也是冷血的屠夫。Section Ⅰ Listening and Speaking1.Translate the following words and phrases.①disaster n. 灾难；灾害②drought n. 旱灾；久旱③slide vi.& vt. ( 使 ) 滑行；滑动 ④flood n. 洪水；大量 vi.淹没；大量涌入 vt.使灌满水；淹没⑤volcanic eruption 火山喷发⑥rescue n.& vt. 营救；救援⑦damage n.& vt. 损失；损害⑧survive vi. 生存；存活 vt.幸存；艰难度过⑨destroy vt. 摧毁； 毁灭 ⑩death n. 死；死亡⑪affect vt. 影响； ( 疾病 ) 侵袭；深深打动 ⑫shelter n. 避难处；居所；庇护 vt.保护；掩蔽 vi.躲避 ( 风雨或危险 ) 2.Brainstorming ： Have you ever experienced any natural disasters ？ How many kinds of natural disasters do you know?fire ， earthquake ， hurricane ， flood ， landslide ， tsunami ， tornado ， drought 3.Describe what happened during the earthquake.4.Finish Ex.1 on Page 48.Finish Ex.2 & Ex.3 on Page 48.1.Speaking—Finish Ex.4 on Page 49 by following the example.Good morning.Today is 13 May.A huge earthquake hit Wenchuan，China，yesterday afternoon.At least 8 ，500 people were killed by 13 May in the 7.8 magnitude earthquake.Rescue workers and soldiers are working day and night to dig out those trapped in the ruins and help the survivors.2.Pronunciation(1)听录音，对比发音清辅音/p//t//k//f//s//θ//ʃ//tʃ//tr//ts/浊辅音/b//d//ɡ//v//z//ð//ʒ//dʒ//dr//dz/(2)听词...
