Unit 5 Into the Unknown Language points（ppt课件）-2023新外研版（2019）《高中英语》选择性必修第四册.pptx

1、1.Lying under waters across the globe are an estimated three million shipwrecks.据据估计，全球水下有估计，全球水下有300300万艘沉船。万艘沉船。倒装倒装结构结构，为了强调或表达需要，可将进行时态中的，为了强调或表达需要，可将进行时态中的现在分现在分词词或者作表语的或者作表语的介词短语介词短语、过去分词等过去分词等置于句首，构成倒装。置于句首，构成倒装。eg Watching the performances were mostly foreign tourists.Next to it is another r

2、estaurant where we can have Chinese food.The most widely distributed is the Hui people.你能找出课文中类似的两个倒装句吗？你能找出课文中类似的两个倒装句吗？Among these is the Esmeralda,the earliest wreck from the age of the European exploration of Asia.Swimming through these black depths is the barreleye,a strange fish with eyes that

3、 can look upwards through its transparent forehead.2.Among these is the Esmeralda,the earliest wreck from the age of the European exploration of Asia.Today,some 500 years after the Esmeralda set sail,there is little-if any-land on our planet left unexplored.其其中就中就有有Esmeralda号号，这是欧洲探索亚洲时期最早的，这是欧洲探索亚洲

4、时期最早的沉沉 船。今船。今天，天，在在Esmeralda号号启航启航500年后，地球上几乎没年后，地球上几乎没有有 未被探未被探索过的陆地了。索过的陆地了。set sail to begin a journey by boat or ship 启航启航；张；张帆帆set sail for/from 启航启航前往前往/出发出发 eg The following week the “Queen Elizabeth”set sail for Jamaica.第二周，第二周，“Elizabeth女王女王”号号 启航启航前往牙买加。前往牙买加。More than 500 years after it

5、was lost in a storm,the Esmeralda was discovered off the coast of Oman.The ship is believed to be fart of a voyage led by Portuguese explorer,Vasco da Gama during his second voyage to India(1502-1503).Although the Esmeralda was first located in 1998,it was explored by marine archaeologists between 2

6、013 and 2015.Researchers used advanced technology to examine some of the objects on the ship.For example,CT scanning was used to identify two silver coins and a bell.3.Given our limited knowledge,it is perhaps no surprise that exploration of the oceans continues to lead to discoveries in various sci

7、entific fields.鉴鉴于我们的知识有限，对海洋的探索不断导致各种科学于我们的知识有限，对海洋的探索不断导致各种科学领领 域域的发现也许不足为奇。的发现也许不足为奇。Our knowledge of the oceans is limited,so it is perhaps not surprising that exploration of them continues to lead to discoveries in various scientific fields.given 考虑到；鉴于考虑到；鉴于 eg Given the circumstances,youve do

8、ne really well.Given(the fact)that hes had six months to do this,he hasnt made much progress.it为形式主语，真正的主语为为形式主语，真正的主语为that 引导的主语从句。引导的主语从句。eg It is certain that prices will go up.It never occurred to me that perhaps she was lying.Its said that there has been an earthquake in India.4.The remaining s

9、treets and buildings offer a window into a fascinating period in our history.残残存的街道和建筑为我们打开了一扇窗，让我们得以一存的街道和建筑为我们打开了一扇窗，让我们得以一窥窥 我我们历史上们历史上那段迷那段迷人的时期。人的时期。a window into/on/toa means of observing and learning about窗；观察（或学习）的渠道窗；观察（或学习）的渠道eg Social networks offer a window into how people live their liv

10、es.社社交网络为了解人们的生活提交网络为了解人们的生活提供供 了了一扇窗。一扇窗。5.In these waters,more than 200 metres deep,where light cannot reach,are extraordinary creatures that appear as if they are straight out of science fiction.在在200多米深的海水中，光无法到达的地方，有一些奇特多米深的海水中，光无法到达的地方，有一些奇特的的 生生物，它们看起来就像直接从科幻小说中出来的一样。物，它们看起来就像直接从科幻小说中出来的一样。非限

11、制性定语从句非限制性定语从句限制性定语从句限制性定语从句Extraordinary creatures that look as though they are something directly out of science fiction live in these waters with a depth of more than 2000 metres,which are so deep that light cannot reach them.6.In the very deepest ocean trenches that are more than 8,000 metres be

12、low the surface,the pressure is equivalent to 50 aeroplanes stacked one on top of another.在在海平面以下海平面以下8000多米的最深海沟中，压力相当于多米的最深海沟中，压力相当于50架飞架飞机机 叠叠在一起在一起。In the very deepest ocean trenches more than 8,000 metres down,the pressure is equal to 50 aeroplanes piled on top of each other.equivalent adj.havi

13、ng the same value,purpose,job etc as a person or thing of a different kind (在在价值、数量等价值、数量等方面方面)相等相等的；等价的的；等价的；be equivalent toeg The US Congress is roughly equivalent to the British Parliament.美国美国国会大致相当于英国议会国会大致相当于英国议会。Eight kilometres is roughly equivalent to five miles.八八公里大致相当于五英里公里大致相当于五英里。7.Th

14、e Jiaolong even holds the record for the deepest dive by a manned submarine,at 7,062 metres,giving China its place alongside the worlds top ocean explorers.蛟龙蛟龙号甚至保持着载人号甚至保持着载人潜艇下潜潜艇下潜最深的记录，下潜深度最深的记录，下潜深度达达 7062米，使中国跻身世界顶级米，使中国跻身世界顶级海洋海洋探险者之列。探险者之列。hold the record for 保持保持纪录纪录eg As a student,he held

15、 the Scottish record for the 100 metres.【拓展拓展】record相关短语相关短语break/beat a record 打破打破纪录纪录hold a record 保持保持纪录纪录set a record 创纪录创纪录equal/tie a record 平平纪录纪录an all-time record 有史以来有史以来最佳的纪录最佳的纪录a world record 世界纪录世界纪录an Olympic record 奥运会奥运会纪录纪录a record number/level/time 创纪录创纪录的数字的数字/水平水平/时间时间a record

16、high 最高最高纪录纪录The Jiaolong,Chinas manned deep-sea vessel,is named after a mythical Chinese sea dragon.At roughly 8.2 metres long,3 metres wide and 3.4 metres high,it weights almost 22 metric tons.In 2012,it set the record for the deepest dive after reaching a depth of 7,062 metres in the Pacific Ocea

17、ns Mariana Trench.Thousands of metres beneath the waves,its crew took incredible photos and videos and collected important samples from the ocean floor for research in oceanography.The Shenhai Yongshi,or Deep Sea Warrior,is Chinas deep-sea submersible,which can reach a depth of 4,500 metres.The subm

18、ersible took 8 years and involved over 90 Chinese organisations and companies,with all of its core parts being made in China.The Shenhai Yongshi has since been used to complete deep-sea diving missions in order to collect exact data on natural gas sources.8.Being a tough environment of complete dark

19、ness,enormous pressure and intense cold,the ocean depths have long been beyond the reach of human exploration.由于由于完全黑暗、巨大压力和极度寒冷的恶劣环境，海洋完全黑暗、巨大压力和极度寒冷的恶劣环境，海洋深深 处处一直是人类无法探索的一直是人类无法探索的。beyond the reach of 超过超过能力之外；无法达到能力之外；无法达到eg The shot was well beyond the reach of the goalkeeper.He lives in Paraguay,well beyond the reach of the British authorities.