iBT托福听力的演讲话题分类.pptVIP

推荐阅读 Western Civilization: a brief history. 西方文明简史 Jackson Spielvogel 托福基础词汇 Occasional Equivalent Massive/tremendous/ Blast/explode/blow Lisa 强烈推荐的好词 Devastate Level 和主题火山相关的单词 Peak/summit/top Dormant/active Volcano/volcanic/volcanically Erupt /eruption Seismologist /geologist Crater Bulge Magma /lava/steam/ash/gas 和地震和其他地质现象相关单词 Tremor Quake Vibration Avalanche Landslide 如何处理长难句？ 了解句中的单词 分析句子结构，翻译成中文 听单句的音频，边听边理解 跟读：听音频重复英文 常见长难句一：定语从句 Mount. St.Helens is in the Cascade Range, a chain of volcanoes running from Southern Canada to Northern California. 长难句二:同位语 On the morning of May 18th---a Sunday---at around 8 o’clock, a large earthquake broke loose the bulge that developed on the north face of the mountain. 插入语 Plato believed the state should take an active role in education---most government today agree---and the state should create a curriculum that leads students from thinking about concrete information toward thinking about abstract ideas. 常见长难句三：并列句 Super-heated water in the magma chamber exploded, and a jet of steam and gas blew out of the mountain’s side with tremendous force. Altogether, the eruption blew away three cubic kilometers of the mountain and devastated more than 5oo kilometers of land. 长难句四：现在分词作伴随状语 Then came the magma, sending up a cloud of super-heated ash. Then, the top of the mountain went too, pouring out more ash, steam and magma. 考过的自然科学话题 天文学 银河的形成 星云星系的相互作用 星体的形成 恒星的形成和演变 行星的星体和生命 ? 太阳系的星球 测量地球和其他行星距离的方式 火星地形形成的顺序 火星的沙尘暴 火星上可能有水2 火星生物的存在方式 月球 陨石2 通过陨石坑来判断年龄 天文望远镜 玛雅文明和天文观测 古埃及和历法3 地质学 地球的生成 大陆漂移和板块说 物种变化和大陆漂移 地震波 岩石的循环 沙漠的成因 南极 山崩 地滑 石头的移动 气象学 冰河期的循环 赤道无风带 洋流对气候的影响 云和降雨的形成 空气中的悬浮微粒 风和水循环的关系 冰山的融化和移动 阿拉斯加融冰形成的湖 南佛罗里达气候的变化 1816年火山喷发造成气候变化 社会科学类 Anthropology and non-industrialized civilizations Early writing system Historical linguistics Business, management, marketing, accounting TV/radio as mass communication Social behavior of groups, community dynamics, communal behavior Child development Educa