1、Developing ideasreading Unit 5 Into the unknown目录contentsPre-readingILanguage pointsFast readingIIHomeworkIntensive readingIIIPost-readingIPre-reading Pre-reading1.What different zones are there in the ocean?2.Which parts of the ocean do you think have been explored?3.What do you know about the deep
2、est part of the ocean?Work in groups.Look at the picture and answer the questions.Do further research if necessary.Pre-reading1.What different zones are there in the ocean?2.Which parts of the ocean do you think have been explored?The different zones in the ocean are Sunlight Zone,Twilight Zone,Midn
3、ight Zone and Abyssal Zone.（深海区）.Sunlight Zone,Twilight Zone.Work in groups.Look at the picture and answer the questions.Do further research if necessary.Pre-reading3.What do you know about the deepest part of the ocean?The deepest part of the ocean is Abyssal Zone.It is an area where the water dept
4、h is about 2,0005,000 metres.The trench can be lowered to 6,000 metres.These very deep areas are sometimes called“Super-abyssal zones”.Actually it is the largest ecological region on earth.Work in groups.Look at the picture and answer the questions.Do further research if necessary.Pre-readingMore th
5、an 500 years after it was lost in a storm,the Esmeralda was discovered off the coast of Oman.The ship is believed to be part of a voyage led by Portuguese explorer,Vasco da Gama during his second voyage to India(15021503).Background Information 阿曼（西南亚国家）葡萄牙达伽马 Pre-readingAlthough the Esmeralda was f
6、irst located in 1998,it was explored by marine archaeologists between 2013 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.Background Information 海洋考古学家 Pre-readingThe Jiaolong,Chinas ma
7、nned deep-sea vessel,is named after a mythicalChinese sea dragon.At roughly 8.2 metres long,3 metres wide and 3.4metres high,it weighs almost 22 metric tons.In 2012,it set the record for the deepest dive after reaching 大船；轮船神话里的 Background Information Pre-readinga depth of 7,062 metres in the Pacifi
8、c Oceans 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.马里亚纳海沟海洋学 Background Information Pre-readingThe Shenhai Yongshi,or Deep Sea Warrior,is Chinas deep-sea submersibl
9、e,which can reach a depth of 4,500 metres.The submersible took 8 years and involved over 90 Chinese organisations and潜水器 Background Information Pre-readingcompanies,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
10、 collect exact data on natural gas sources.Background Information IIFast readingRead the passage and find out what has been discovered in the ocean depths.Fast readingShipwrecks such as that of the Esmeralda,ruins of ancient cities like Neapolis,extraordinary deep-sea creatures such as bone-white co
11、ral and the barreleye,and the substance known as“fire ice”have been discovered in the ocean depths.What has been discovered in the ocean depths?Fast readingShipwrecks such as that of the Esmeralda.What has been discovered in the ocean depths?Evidence:Para 1:Among these is the Esmeralda,the earliestw
12、reck from the age of the European exploration ofAsia.Read the passage and find out what has been discovered in the ocean depths.Fast readingRuins of ancient cities like Neapolis.Evidence:Para 2:One such find is the ancient Roman city ofNeapolis,discovered off the coast of Tunisia.Believedto have bee
13、n buried underwater by a tsunami in thefourth century AD,the ruins of Neapolis are almost2,000 years old.Read the passage and find out what has been discovered in the ocean depths.Fast readingExtraordinary deep-sea creatures such as bone-white coral and the barreleye.Evidence:Para 3:Imagine bone-whi
14、te coral 6,000 metres below the oceans surface,growing at the rare of only one or two millimetres per year.Swimming through these black depths is the barreleye,a strange fish with eyes that can look upwards through its transparent forehead.Read the passage and find out what has been discovered in th
15、e ocean depths.Fast readingThe substance known as“fire ice”.Evidence:Para 4:Most notable of these is Chinas discoveryof an ice-like substance,known as“fire ice”,under the South China Sea.Read the passage and find out what has been discovered in the ocean depths.IIIIntensive reading Intensive reading
16、Think about the structure of the passage and complete the diagram.Intensive readingOVER THE CENTURIES:sailing across oceans to explore Earths furthest cornersOcean explorationMODERN AGE:exploring 1_deep seaThink about the structure of the passage and complete the diagram.Intensive reading2_ explorat
17、ion Finding ancient ruins in 3_.Working to overcome challenges and make discoveries at 4_.Example:5_Archaeologicalshallow watersvast depthsthe ruins of NeapolisThink about the structure of the passage and complete the diagram.Intensive reading6 _exploration Containing about 90 per cent of 7_.Helping
18、 comprehend 8_ _.Examples:9_ 10_ 11_ _Biologicalthe planets fishbone-white coral the capacity for life on our planetthe barreleye life to be found even around the deep-sea volcanic openings Intensive reading Discovery of natural resources Discovering new natural resources.Studying 12 _.Identifying a
19、reas for 13_.Examples:14_ 15_“fire ice”deep-sea drillingthe sea bedChinas underwater vesselsThink about the structure of the passage and complete the diagram.1.Why do you think the author uses statistics in the passage?Intensive readingThe use of statistics makes the passage more convincing.Intensiv
20、e reading2.What other examples of ocean exploration do you know of?Share one with the class.One possible answer:On 10 October,2020,Endeavour successfully completed 13 dives in Mariana Trench,eight of which broke 10,000 metres.There is a growing interest in the construction of a network of undersea o
21、bservatories,which is the most effective means of early warning earthquake and tsunami.3.What do you think drives the exploration of the oceans?One possible answer:The oceans make up 70%of the earths total area.Large numbers of marine animals and plants are important sources of food for human beings
22、.Therefore,it is very important for us to understand the worlds oceans.In addition to concerns about maritime security and economic interests,exploration of the seabed will satisfy humans curiosity and thirst for the unknown knowledge.Intensive reading4.What common message do the two reading passage
23、s in this unit convey?How do they each build upon this idea?Intensive readingBoth passages convey the message that humans have the desire and means to explore the unknown.The first passage does this by looking at our fascination with historys greatest mysteries,while the second passage looks at pion
24、eering exploration of Earths oceans.Intensive reading Learning to learnAs you read,notice the discourse markers used in the text,eg in addition,also,however,furthermore,as well as.These markers function like road signs,helping you connect ideas and understand the writers attitude and opinions.话语标记语HomeworkVIHomework1.Search the Internet to know more about peoples oceanic explorations.2.Write down your ideas about how to open up our planets final planet through closer scientific,economic and cultural operation.
