（2021新外研版）高中英语选择性必修四unit 5 understandingppt课件.pptx

1、DIVING DEEP Look at the picture and answer the question. Q: What are the differences among these ocean zones? It is a _, maybe a _. submarine manned submarine Dive deep into the ocean Make some discoveries! Words &phrases P1 set sail _ estimate_ unexplored _ if any _ explore Earths furthest corner _

2、 Venus 金星 shipwreck_ attempt n._ make an attempt to do sth_ at the first attempt _ V._ attempt to do _ 起航 估算 如果有的话 尝试做某事 失事的船 起航 无人涉足的 尝试 第一次尝试 尝试做某事 尝试 Dive deep into the ocean Make some discoveries! Translate the sentences and paraphrase There is little, if any, land on our planet left unexplored.

3、 _ We have more detailed maps of the Moon, and even of Venus and Mars, than we do of Earths own sea bed. _ 我们星球上尚未被人类探索的土地-如果有的话-已经少之又少了。 我们手中关于地球的地图，甚至比不上关于月球乃至金星、火星的天体图详尽。 Q: If we want to explore our deep ocean, what kind of difficulties/ challenges do we need to overcome? enormous pressure darkn

4、ess extreme cold Ocean exploration _finds in shall waters meaning: _ whole city buried beneath the waves Roman city of Neapolis location:_ time: _ cause:_ archaeological off the coast of Tunisia tsunami the 4th century offer a window into a fascinating period in our history Read para.2 Words &phrase

5、s P2 given our limited knowledge _ It is perhaps no surprise that. _ continue to do _ offer a window into. _ various scientific fields _ as with _ ruins _ fragments _ 鉴于我们有限的知识 .是不足为奇的 继续做某事 正如，和.一样 各种各样的科学领域 提供了解.的窗口 废墟片段，碎片 Features of the dark zones: 1. _ 2. _ 3. _ There are up to 90% of the plan

6、ets fish. more than 200 meters deep Light cannot reach. Ocean exploration _discoveries in the dark zones of the oceans meaning: _ biological help us understand the capacity for life Read para.3 surface 200 metres dark zone 6000 metres deep 8000 metres Name:_ Age: _ Name:_ Features: _ barreleye trans

7、parent head Eyes can look upwards ocean trenches bone-white coral 4000 years old Have a reflection What can we learn from these sea creatures around the deep-sea volcanic openings? Everyone lives under pressure. What matters most is how to deal with it. . . Words &phrases P3 up to_ extraordinary cre

8、ature _ straight out of science fiction _ at the rate of _ be equivalent to _ Eight kilometers is roughly equivalent to five miles. stack _ capacity _ look upwards _ 直接从科幻小说走出来的. 以.的速度 等同于；相当于 能力堆起，摞起； 向上看 多达.奇异生物 Words &phrases P4 valuable source of natural resources _ notable _ vessel _ alongside

9、_ hold the record of _ at depths of _ take sth into a whole new era _ deep sea drilling _ identify _ form v._ n. _ 船，轮船 在深处.保持.的记录 将.进入一个全新的时代 深海钻探 自然资源的珍贵来源 值得注意的 识别 与.一起 形式形成 Ocean exploration a valuable source of _ Chinas achievements: 1. New natural resource: _ 2.Underwater vessels: _ Read para.

10、4 natural resources fire ice Jiaolong & Shenhai Yongshi What is special about the Jiaolong? What is the significance of the oceanic research? It holds the record for the deepest dive by a manned submarine at 7,062 meters 1._ 2._ 3._ give scientists a greater understanding of how the sea bed was form

11、ed help identify areas for deep-sea drilling take deep-sea exploration into a whole new era Words &phrases P5 tough environment _ beyond the reach of sth _ a global mission _ open up _final frontier _ enormous pressure _ intense cold/heat/pain _ Translate the sentences and paraphrase Humankind is en

12、tering a new age of oceanic discovery, and the world beneath the waves may one day be almost as familiar to us as the land we walk upon today. _ 超出.的范围 最后的边境、疆域 酷热、严寒、剧痛巨大的压力 恶劣的环境 开辟全球使命 人类正在进入一个海洋发现的新时代，或许有朝一日，我们会像熟悉脚下的土地一样熟悉那海浪下 的世界。 Group work Talk about the influences of ocean exploration on your daily life. THANKS