3.Emphasize some language points and sentence structures: Step Three Macro-listening 1.Explain the new words and expressions (1)Disaster n.an event,man-made or natural,that causes great harm,damage and suffering. (2)volcanic adj.ofa volcano (3)eruption n.suddenpouring out of fumes or lava (4)skyscraper n.摩天大楼 (5)elevator n.equipment taking people up and down in a building (6)rescue v.to save someone from danger (7)tsunami n.huge sea waves usually caused by a powerful earthquake or a volcanic eruption under the sea (8)paradise n.heaven,place of perfect happiness (9)crystal ntransparent rock (10)weird n.unnatural,strange (11)at first light at dawn,when the first beam of the sun is seen 2.Play the tape recorder for the students. 3.Ask the students some questions about the conversations 4.Explain language and culture notes. 5.(1)tsunami:a cataclysm resulting from a destructive sea wave caused by an earthquake or volcanic eruption eg:a colossal tsunami destroyed the Minoan civilization in minutes (2)from crystal blue to brownish...the color of the ocean water suddenly tumned from a very clear blue to brown,which is the color of the ocean floor.This color change tells that tsunami is imminent (3)Indian ocean:one of the five oceans in the world,the other four being the Pacific,the Atlantic,the Southemn,and the Arctic. Step Four Oral Practice 1.Ask the studentsto do the Exercise of"accidents and disasters"in pairs3. Emphasize some language points and sentence structures: Step Three Macro-listening 1. Explain the new words and expressions (1) Disaster n. an event, man-made or natural, that causes great harm, damage and suffering. (2) volcanic adj. of a volcano (3) eruption n. sudden pouring out of fumes or lava (4) skyscraper n. 摩天大楼 (5) elevator n. equipment taking people up and down in a building (6) rescue v . to save someone from danger (7) tsunami n. huge sea waves usually caused by a powerful earthquake or a volcanic eruption under the sea (8) paradise n. heaven, place of perfect happiness (9) crystal n transparent rock (10)weird n. unnatural, strange (11)at first light at dawn, when the first beam of the sun is seen 2. Play the tape recorder for the students. 3. Ask the students some questions about the conversations. 4. Explain language and culture notes. 5. (1) tsunami: a cataclysm resulting from a destructive sea wave caused by an earthquake or volcanic eruption eg: a colossal tsunami destroyed the Minoan civilization in minutes (2) from crystal blue to brownish…the color of the ocean water suddenly turned from a very clear blue to brown, which is the color of the ocean floor. This color change tells that tsunami is imminent. (3) Indian ocean : one of the five oceans in the world, the other four being the Pacific, the Atlantic, the Southern, and the Arctic. Step Four Oral Practice 1. Ask the students to do the Exercise of “accidents and disasters” in pairs