高二英语选修六unit 5

1、Unit 5Unit 5The power of natureThe power of nature学习目标导航人教版英语人教版英语 选修选修6话题类文悦读学习目标导航人教版英语人教版英语 选修选修6话题类文悦读【问题导读】Read the text and try to tell if these sentences are True( T ) or False(F)1Volcanic eruptions are supernatural phenomena in the eyes of ancient peoples.()2Some of the finer ejected materia

2、ls may be carried by the wind only to fall to the ground many miles away.()答案：1.T2.T学习目标导航人教版英语人教版英语 选修选修6话题类文悦读古罗马时期，人们看见火山喷发的现象，把这种山体燃烧的原因归之为火神武尔卡发怒，“火山”一词的英文名称Volcano由此而来。火山爆发喷出的大量火山灰和暴雨结合形成泥石流，能冲毁道路、桥梁、淹没附近的乡村和城市，使得无数人无家可归。但火山资源的利用也可以给我们的生活带来便利。学习目标导航人教版英语人教版英语 选修选修6话题类文悦读The word“volcano”comes

3、from the little island of Volcano in the Mediterranean Sea off Sicily.Centuries ago，the people living in this area believed that Volcano was the chimney of the forge of Volcanthe blacksmith of the Roman gods.They thought that the hot lava fragments and clouds of dust erupting from Volcano came from

4、Volcans forge1 as he beat out thunderbolts2 for Jupiter，king of the gods, and weapons for Mars，the god of war.In Polynesia the people attributed3 eruptive activity to the beautiful but wrathful Pele，Goddess of Volcanoes，whenever she was angry or spiteful.Today we know that volcanic eruptions are not

5、 supernatural but can be studied and interpreted by scientists. 学习目标导航人教版英语人教版英语 选修选修6话题类文悦读Volcanoes are mountains，but they are very different from other mountains；they are not formed by folding and crumpling or by uplift and erosion4.Instead，volcanoes are built by the accumulation of their own eru

6、ptive productslava，bombs (crusted over lava blobs)，ashflows，and tephra (airborne ash and dust)A volcano is most commonly a conical hill or mountain built around a vent that connects with reservoirs of molten rock below the surface of the Earth.The term volcano also refers to the opening or vent thro

7、ugh which the molten rock and associated gases are expelled.学习目标导航人教版英语人教版英语 选修选修6话题类文悦读Driven by buoyancy and gas pressure the molten rock，which is lighter than the surrounding solid rock，forces its way upward and may ultimately break through zones of weaknesses in the Earths crust.If so, an erupti

8、on begins，and the molten rock may pour from the vent as nonexplosive lava flows，or it may shoot violently into the air as dense clouds of lava fragments.Larger fragments fall back around the vent5，and accumulations of fallback fragments may move downslope6 as ash flows under the force of gravity.Som

9、e of the finer ejected7 materials may be carried by the wind only to fall to the ground many miles away.The finest ash particles may be injected miles into the atmosphere and carried many times around the world by stratospheric winds before settling out.学习目标导航人教版英语人教版英语 选修选修6话题类文悦读【日积月累】1forge n熔炉，锻

10、铁炉；铁工厂2thunderbolt n霹雳；雷电；突发意外事件；大发雷霆3attribute vt.归属；把归于4erosion n. 侵蚀，腐蚀5vent n. (感情的)发泄；出口；通风孔6downslope adj. 下坡的adv. 向着坡下7eject vt. 喷射；驱逐，逐出学习目标导航人教版英语人教版英语 选修选修6话题类文悦读【佳句欣赏】1In Polynesia the people attributed eruptive activity to the beautiful but wrathful Pele，Goddess of Volcanoes, whenever sh

11、e was angry or spiteful.在Polynesia，人们往往把火山喷发的原因归咎于火山之神的愤怒或者怨恨。句中“attributed.to.”意为“把归于”，Goddess of Volcanoes 是同位语，解释Pele。后面whenever引导时间状语从句。学习目标导航人教版英语人教版英语 选修选修6话题类文悦读2Some of the finer ejected materials may be carried by the wind only to fall to the ground many miles away.一部分喷发出的物质被风吹到几里外的地方。句中“be

12、 carried by the wind”，意为“被风吹到”；only to do意为“不料(却)，结果(却)”， 表示一个没有料到的结果。学习目标导航人教版英语人教版英语 选修选修6话题类文悦读学习目标导航人教版英语人教版英语 选修选修6话题类文悦读话题The power of nature知识目标重点单词diagram n. 图解；图表；示意图volcano n. 火山erupt vi. (指火山)爆发；突然发生eruption n. 火山爆发；(战争等)爆发ash n. 灰；灰末hurricane n. 飓风；风暴questionnaire n. 问卷；调查表alongside adv.

13、 在旁边；沿着边 prep.在旁边； 沿着的边equipment n. 设备；装备appoint vt. 任命；委派database n. 数据库；资料库学习目标导航人教版英语人教版英语 选修选修6话题类文悦读话题The power of nature知识目标重点单词evaluate vt. 评估；评价；估计wave n. 波浪；波涛 vi. 波动；起伏；挥手fountain vi. & vt. 泉水般地喷出或涌出 n. 喷泉；源泉absolute adj. 绝对的；完全的absolutely adv. 绝对地；完全地suit n. 一套外衣；套装 vt. 适合；使适宜helmet n

14、. 头盔boot n. 靴子potential n. 潜在性；可能性；潜能 adj. 可能的；潜在的actual adj. 实在的；实际的candidate n. 候选人；候补者bungalow n. 平房；小屋学习目标导航人教版英语人教版英语 选修选修6话题类文悦读话题The power of nature知识目标重点单词typhoon n. 台风thunderstorm n. 雷暴precious adj. 贵重的；珍贵的novelist n. 小说家fog n. 雾document n. 文件；证件rainbow n. 彩虹uncomfortable adj. 不舒服的；不舒适的balc

15、ony n. 阳台unconscious adj. 失去知觉的；未察觉的shoot (shot, shot)vt. 射中；射伤shot n. 射击；枪炮声学习目标导航人教版英语人教版英语 选修选修6话题类文悦读话题The power of nature知识目标重点单词tremble vi. 摇晃；摇动；颤抖sweat n. 汗 vi.出汗anxious adj. 忧虑的；不安的anxiety n. 担心；焦虑；渴望panic(panicked，panicked) vi.& vt. 惊慌 n惊慌；恐慌diverse adj. 多种多样的；不同的bathe vi. 洗澡；游泳appreci

16、ation n欣赏；感激；感谢guarantee vt. 保证；担保学习目标导航人教版英语人教版英语 选修选修6话题类文悦读话题The power of nature知识目标重点短语burn to the ground 全部焚毁make ones way 前往glance through 匆匆看一遍vary from.to. 由到不等知识目标重点句型1.Yet, however weak we are, we.然而，不论我们多么脆弱，我们2This is because no one lives near the top of Mount Kilauea, where the rocks fa

17、ll.这是因为在岩石下落的基拉韦厄火山山顶附近无人居住。学习目标导航人教版英语人教版英语 选修选修6话题类文悦读话题The power of nature知识目标重点句型3I was about to go back to sleep when suddenly my bedroom became as bright as day.我刚要回去睡觉，突然我的卧室亮如白昼。4. ., but this being my first experience, I stayed at the top and watched them.，可我是第一次经历这样的事，所以留在山顶上观察他们。5. Among the rare animals are cranes，