Unit3 Sea Exploration Using language(2)阅读写作 （ppt课件）-2022新人教版（2019）《高中英语》选择性必修第四册.ppt

1、UNIT 3SEA EXPLORATIONUSING LANGUAGE（2）阅读写作阅读写作1.Choose the best answer(1)Why does the writer mention the Deepwater Horizon?A.To show it has more gallons of oil.B.To explain its influence on animals.C.To stress the bad effect of plastic.D.To prove it has caused serious pollution.(2)What is the main i

2、dea of the third paragraph?A.The speed of the melting ice in Arctic.B.The discovery of fossil fuels in Arctic.C.The damaging resources in the Arctic.D.The influence of climate on the Arctic.(3)What does the first writer think of the sea?A.It belongs to humans.B.It is the habitat of life.C.It is less

3、 sensitive actually.D.It is the possessions of future generations.(4)What makes it necessary for us to explore seas?A.The development of technology.B.The value of minerals under the sea.C.The rising number of population.D.The occurrence of earthquakes.Reread the passage and fill in the blanksThe pro

4、blems of exploring seaMore exploration means more(1)_Gallons of oil is spilled into the seaPlastic pollutionMining for resources is very(2)_Climate change makes(3)_ lessLook for more fossil fuels further northThe ice will melt more(4)_ is another problempollutiondamagingiceOverfishingSea exploration

5、 is important for our future.Help address important issues such as(5)_Understanding more about the seaHelp us manage its(6)_ betterLogging new(7)_Improve our understanding of life on the earth.Accessing the deep oceanHelp us to predict(8)_ such as earthquakesNew resources for growing(9)_More resourc

6、es under sea and ice Balance the(10)_ needs and environmental risks climate changeresourcesspecieseventspopulationeconomic(1)What is overfishing?_ _ _ _.Overfishing is closely tied to bycatchthe capture of unwanted sea lifewhile fishing for a different species.This,too,is a serious marine threat tha

7、tcauses the needless loss of billions of fish,along with hundreds of thousands ofsea turtles and cetaceans _ _ _ The damage done by overfishing goes beyond the marine environment.Billions of people rely on fish for protein,and fishing is the principal livelihoodfor millions of people around the worl

8、d.(2)What did we learn from the Deepwater Horizon disaster?_ _ _ _ _ _ _ _ The Deepwater Horizon blowout caused gas and oil to spill into the Gulf ofMexico for 87 days.Years after this environmental disaster,scientists studyingthe spill better understand the complex processes that affect how oil tra

9、nsformsand degrades in the water and just how resilient ecosystems can be to such adisturbance.The disaster response also did nothing to clear up debates aboutchemicals called dispersants that are often used in spill cleanups.Researchershope that the technological advances over the past decadeand th

10、e knowledgegainedwill better prepare the world for the next big spill.(3)How do human activities affect the oceans?_ _ _ _ _ Human activities affect nearly all parts of the ocean.Lost and discardedfishing nets continue to lethally snare fish,seabirds,and marine mammals asthey drift.Ships spill oil a

11、nd garbage;they also transport critters to alienhabitats unprepared for their arrival,turning them into invasive species.Mangrove forests are cleared for homes and industry._ _ _ _ Climate change currently affecting the planet because of high greenhousegas emissions from humans is strikingly reflect

12、ed in the oceans.Thegreenhouse gas carbon dioxide is also turning ocean waters acidic,and aninflux of freshwater from melting glaciers threatens to alter the weather-driving currents.1.mercy n.仁慈仁慈;宽恕宽恕;恩惠恩惠*Although this was banned in 1982,some countries are still“murdering”these intelligent creatu

13、res without mercy.尽管这在1982年被禁止,但一些国家仍然毫不留情地“谋杀”这些聪明的生物。*Having lost the engines power,the boat was now at the mercy of the wind.发动机坏了,这艘船现在任由大风摆布。*He was such a cruel man that he showed no mercy to others.他是一个那么残酷的人以至于他对别人毫无怜悯之情。*They had mercy on their neighbor for he suffered a lot.=They showed me

14、rcy to their neighbor for he suffered a lot.他们对邻居表示同情,他受的苦难太多了。语法填空(1)He will be generous and _(mercy)to those who are weaker than himself.(2)So pitifully did she plead that the Baron grew calm and decided to have mercy _ her.(3)They showed little mercy _ the enemies.(4)The policemen shot the crocod

15、ile _ mercy.(5)The boat was _ the mercy of the rapid river.mercifulontowithoutat2.possession n.个人财产个人财产;拥有拥有;控制控制*The sea is home to life,not human beings possessions.海洋是生命的家园,而不是人类的财产。*The company that Tom is in possession of was once in the possession of his uncle.汤姆现在拥有的公司曾经是他叔叔的。*On her fathers

16、death,she came into possession of a vast fortune.父亲死后,她继承了一大笔财产。*We didnt take possession of the car until a few days after the auction.拍卖会过后几天,我们才真正拿到了那辆车。语法填空(1)He is _ possession of the house.=The house is in _ possession of him.(2)He took possession _ a lot of jewels from Mr White.(3)He had come

17、 _possession of a large fortune.(4)Does the young man standing there have possession _the company?intheofintoof3.arrest n.逮捕逮捕;拘留拘留;中止中止vt.逮捕逮捕;拘留拘留;阻止阻止*A$5 million reward has been announced for information leading to the arrest of those responsible for the murder.一项500万美元的悬赏已经公布,以获得逮捕那些对这起谋杀事件负责的人

18、的信息。*He is said to be under arrest for spreading online rumors.据说他由于传播网络谣言被捕了。*An unusual painting arrested his attention.一幅异乎寻常的画引起了他的注意。*After the match three youths got arrested.比赛过后,有三个青年被捕。*He was arrested for faking some famous paintings.他由于伪造一些名画而被逮捕。(1)She _drug-related offences.她因涉嫌毒品犯罪而被捕。

19、(2)You shouldnt do things like that._ 你不应该做那样的事。你会被捕的!was arrested forYou could get arrested!(3)The bright colours of the flowers _.花的艳丽色彩引起了那姑娘的注意。(4)_.Youre here to assist my investigation.你已经被捕了,你来这里是协助我办案的。arrested the girls attentionYoure under arrest如何写辩论性文章如何写辩论性文章海洋探测海洋探测辩论性文章属于议论文。议论文主要针对某一

20、观点或问题(一般为有争议的观点或问题)发表议论和看法,因此写此类文章时要考虑的论据多为正反两个方面。通过对有争议的观点或问题的不同看法进行比较,然后进行分析和评论,最后提出自己的看法,表达自己支持或反对的态度并加以论证说明,得出结论。假如你是李华,学校即将举行以“Is it necessary for humans to explore oceans?”为题目的英语作文比赛,请按照下列要求写一篇80词左右的议论文。要点如下:1.使海洋可持续发展 2.了解海洋环境 3.更好地了解气候完成句子完成句子1.它可以建立更好地理解环境变化所需的基本信息。It can establish the basi

21、c information needed _ _.2.这有助于科学家解决目前的情况。It helps scientists to _.to better understand environmentalchangeaddress current situations3.这有助于科学家预测未来可能出现的情况。It helps scientists to _that may emerge.4.它还可以让我们了解海洋中可利用的物质,生命形式是如何生存的,以及人类如何在海底生存或充分利用深海资源。It can also give us knowledge about _,how the life fo

22、rms live,and find out how humans can survive down there or _ _.predict the future situationswhat are available in oceansmake good use ofthe depths resources5.海洋是我们赖以满足食物、能源等需求的资源之一。The sea can be one of the resources for us to rely on to _ _.6.它还可以帮助我们跟踪发生在海洋上的气候变化以及可能影响我们生活的因素。It can help us keep t

23、rack of the climate changes _and what might affect our life.fulfill the needs such asfood,energy,etcthat happen to the ocean7.海洋探险对人类有很大的好处。Sea exploration will _humans.句式升级8.用which非限制性定语从句合并句1,句2和句3It can establish the basic information needed to better understand environmental change,_ _.be of gre

24、at benefit towhich helps scientists to address both current situations and to predictthe future situations that may emerge9.用because合并句4和句5 It can also give us knowledge about what are available in oceans,how the life forms live,and find out how humans can survive down there or make good use of the

25、depths resources,_ _because the sea can be one of the resources for us to rely onto fulfill the needs such as food,energy,etc.【完美成篇】Is it necessary for humans to explore oceans?I agree with the view that it is necessary for humans to explore seas.First,it can establish the basic information needed t

26、o better understand environmental change,which helps scientists to address both current situations and to predict the future situations that may emerge.Moreover,it can also give us knowledge about what are available in oceans,how the life forms live,and find out how humans can survive down there or

27、make good use of the depths resources,because the sea can be one of the resources for us to rely on to fulfill the needs such as food,energy,etc.In addition,it can help us keep track of the climate changes that happen to the ocean and what might affect our life.In sum,sea exploration will be of grea

28、t benefit to humans.1.话题词汇话题词汇(1)monster怪物(2)attack袭击(3)creature生物(4)sighting目击(5)hairy多毛的(6)frightening吓人的(7)mysterious神秘的2.话题句式话题句式(1)The Grey Man is a frightening creature that lives in Scotland.灰人是生活在苏格兰的一种可怕的生物。(2)They say that the low-temperature sea is unlikely to be able to support such larg

29、e living creatures.他们说水温这样低的海里不可能有体型如此巨大的生物生存。(3)He claims to have seen a round black creature moving quickly through the water.他声称看见了一个圆的黑色生物在水中快速移动。(4)The rich marine biological resources,mineral resources,chemical resources and power resources are an indispensable resource treasure house of human

30、.丰富的海洋生物资源,矿产资源,化学资源和电力资源是人类赖以生存的必不可少的资源宝库。(5)The main objective of the current marine conservation is to protect marine biological resources.当前海洋保护的主要目标是保护海洋生物资源。(6)We should maintain the regeneration ability of marine biological resources and the natural purification capacity of water,preservation of the marine ecological balance in order to ensure the sustainable human development and utilization of ocean.我们应该保持海洋生物资源的再生能力和水的自然净化能力,维护海洋生态平衡,以确保人类的可持续发展和海洋的持续利用。