(
课件网) UNIT 3 SEA EXPLORATION 重点知识归纳总结 2门世2有 3厚UNIT 3 SEA EXPLORATION 话题阅读 导入主题 On reaching the ocean floor, we may see shrimps and other organisms around hydrothermal vents. These vents form in volcanically active areas, pouring mineral rich fluids into the sea. Before the discovery of these creatures, it was thought that all life on the Earth obtained its energy from the sun. However, this discovery has revealed that life forms can obtain nutrients and energy from thermal sources. Knowing that life can exist in these extreme conditions has changed scientific opinion about the chances of there being life elsewhere in the universe. In addition to the vents and remarkable organisms, we cannot miss the Mariana Trench, located in the north western part of the Pacific Ocean. Its deepest point, known as the Challenger Deep, is nearly 11,000 metres below sea level. You could place Mount Qomolangma in the Challenger Deep, and its top would still be more than 2,000 metres below the surface! While there is little life at such great depths, it is far from boring. Of the many strange geological formations to be found here are rock bridges which cross the Trench, some reaching a height of 2,500 metres above the Challenger Deep. (节选自译林版 选择性必修第一册 Unit 1) [词海拾贝] ①hydrothermal adj.热液的，高温水作用的 ②fluid n．流体，液体 adj.流畅优美的；易变的，不稳定的；流动的 ③far from 远非；远远不 [佳句精析] Of the many strange geological formations to be found here are rock bridges which cross the Trench, some reaching a height of 2,500 metres above the Challenger Deep. 分析：本句是主从复合句。句中to be found here为不定式作定语，修饰strange geological formations; which引导定语从句，修饰rock bridges; some reaching a height of 2,500 metres above the Challenger Deep为“代词＋动词 ing形式”构成的独立主格结构。 译文：在这里发现的许多奇怪的地质构造中有横穿海沟的石桥，有些高度达到“挑战者深渊”上方2 500米。 Section Ⅰ Reading and Thinking 温馨提示 课前自主预习课文见本书263页REACHING OUT ACROSS THE SEA 基础 自测 Ⅰ.单词拼写 1．The Monkey King is an extraordinary tale(故事) with a strange twist at the end. 2．Trade union leaders went back to negotiate(协商) with the government. 3．The merchant(商人) decided to use camels to carry his goods across the desert. 4．We got up early to behold(看见) the sunrise. 5．The general ordered the fleet(舰队) to remain where they were and wait for the further instructions. 6．This channel(频道) comes on the air every morning at 7 a．m. 7．I enrolled my son in a junior sports league(联合会) for the summer. 8．They plan to extend(扩展) their research in this field. Ⅱ.选词填空 in a league of one's own, set sail, under the command of, a sight to behold, form the foundation of 1．As scheduled, the ship set_sail at 8：00 on Friday and passed through the strait next day. 2．It was the sample that formed the foundation of our research. 3．As far as Pet ... ...
