2020-2021学年外研版（2019）高中英语选择性必修四课时作业：UNIT 5 INTO THE UNKNOWN 分层作业 15 WORD版含解析.doc

1、课时分层作业(十五).阅读理解AAt 2：30 on December 5，1945，five US Navy training planes took off in clear weather from the base Lauderdale，Florida.The planes flew east over the coast.and disappeared.The group was Flight 19，on a run between Florida and Bahamas.Tailor was the group leader.At about 3：40，Tailor reporte

2、d that his compasses were not reading properly.The other planes followed their leaders aimlessly，first east，then west，then northeast over the ocean，as Tailor tried to make sure of the direction by radio.Then，suddenly Tailor was heard to give orders to dive.Quickly，two giant Martin seaplanes were sen

3、t up to search for Flight 19.Several hours later，the wind became strong and visibility(能见度)dropped.A return to base was ordered.But only one of the Martin seaplanes landed.Four days later，the Navy and Coast Guard combed a 100，000 square miles area with more than 100 planes and ships.No sign was ever

4、 shown of the missing planes.Today，people have noted the disappearance of many ships and planes in the southwest part of the North Atlantic and began to call this area the Bermuda Triangle(百慕大三角区)The points of the triangle are Bermuda，Puerto Rico and a spot in the Gulf of Mexico，west of Florida.It i

5、s a twofaced water world of tiny islands，bright beaches and beautiful waters.Yet thick fogs，powerful currents(激流)and sudden storms are hidden behind this smiling surface.【语篇解读】本文是一篇记叙文。主要讲述百慕大三角区的飞机消失的神秘事件。1Why did Flight 19 disappear?ABecause the wind became strong and visibility dropped.BBecause T

6、ailor was given wrong orders to dive.CBecause Tailor couldnt read his compasses correctly.DBecause something unknown made the compasses unable to work as usual.D细节理解题。根据第一段中的“At about 3：40，Tailor reported that his compasses were not reading properly.”可知选D项。2In what position did Flight 19 disappear?A

7、In the southwest part of the North Atlantic Ocean.BIn the northeast part of the North Atlantic Ocean.CTo the southwest part of Bermuda in the Atlantic Ocean.DTo the northeast part of Bermuda in the Atlantic Ocean.A细节理解题。根据第三段可知，如今，人们已经记录了很多船只和飞机在北大西洋西南部的百慕大失踪。3How many planes disappeared altogether

8、that day?AFive.BSix.CTwo.DOnly one.B细节理解题。根据第一、二段可知，共有七架飞机先后飞往该地区，只有一架安全返回。即“five US Navy training planes took off”“two giant Martin seaplanes were sent up.”和“one of the Martin seaplanes landed.”4The underlined word“combed”in the passage means“ ”Acovered withBflew overCdid up ones hair with a combDs

9、earched all overD词义猜测题。从该词所在的句意可推测，combed意为“四处寻找”，故选D项。BUnlike modern animal scientists，dinosaur scientists cannot sit on a hillside and use telescopes to watch dinosaurs in order to know how they lived and whether they were good parents.Instead，they have to search hard for information from dinosaur

10、 fossils(恐龙化石)because dinosaurs died out millions of years ago.Its very difficult for the scientists to reach an agreement because different results can be got from the same fossils.Many fossils of the same kind of dinosaurs have been dug out from one place.They might have formed when an entire grou

11、p of dinosaurs got stuck(陷入)all at once，or they might have been the result of dinosaurs getting stuck one after another over a course of a few centuries.Thus we can say that dinosaurs might have in the first case lived in big groups and in the second lived alone.Though there are two different result

12、s，dinosaur scientists now generally agree that at least some kinds of dinosaurs lived in big groups.“Thats pretty much settled at this point，”says Paul Sereno.A kind of dinosaurs called Sauropods left behind tracks in the western United States that appear to run north and south，suggesting that they

13、even moved long distances together.As to whether dinosaurs cared for their young，dinosaur scientists have turned to the closest living relatives of dinosaursbirds and crocodilesfor possible models.Birds give a lot of care to their young，while crocodiles just help their young to the water.The discove

14、red fossils of dinosaurs sitting on their eggs and staying with their young suggest the parents were taking care of their babies，but we still cannot say that all dinosaurs did the same.There is still a long way to go before the above questions could be answered.Dinosaur scientists will have to find

15、more proof to reach an agreement.【语篇解读】本文介绍了恐龙的一些知识。研究恐龙的专家无法实地考察恐龙，因为恐龙已经灭绝了。他们只能从挖掘的化石中寻找信息。有关恐龙的知识目前没有一致的结论，但可以肯定的是，一些恐龙过着群居生活，一些恐龙会照顾幼龙。5Dinosaur scientists can get information directly by Astudying dinosaur fossilsBexamining modern animalsCwatching dinosaursDusing telescopesA细节理解题。从文中第一段最后一句“In

16、stead，they have to search hard for information from dinosaur fossils(恐龙化石)because dinosaurs died out millions of years ago.”可以看出，是通过研究恐龙化石找到信息，故答案为A项。6What is pretty much settled according to Paul Sereno?AHalf of the dinosaurs lived alone.BMost dinosaurs moved long distances.CMany dinosaurs settled

17、in the north.DSome dinosaurs lived in big groups.D细节理解题。从文中第三段可以看出：虽然有两种不同的结论，研究恐龙的科学家们现在一般都同意至少有某些种类的恐龙生活在一个大的团体当中，这一点是确信无疑的。7Dinosaur scientists can probably know whether dinosaurs were good parents by Awatching many kinds of animalsBstudying dinosaurs living relativesCfollowing the tracks left be

18、hindDworking on dugout dinosaur eggsB细节理解题。从文中第四段的开头“As to whether dinosaurs cared for their young，dinosaur scientists have turned to the closest living relatives of dinosaursbirds and crocodilesfor possible models.”可知，科学家们转向恐龙活着的近亲鸟类和鳄鱼来寻求恐龙是否关心下一代这个问题的答案，故选B项。.读后续写阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整

19、的短文。From hanging out with friends in the nearby coffee shop to daydreaming of “making it big” as a rock star，the last few years has been a rollercoaster ride.I am tormented(折磨)with questions such as who I am and what I am doing here.During the last year at school，I took up the challenging task of di

20、recting the English play for the Annual Inter House Dramatics Competition.The task was said to be very long and tiring but equally rewarding.After several discussions with my vicecaptain and my English teacher，the play was selected and the cast was confirmed.I had thought of “perfect ideas” such as

21、the “perfect delivery of certain dialogues” and the “perfect effects”I discussed my ideas with my crew and vicecaptain.Everybody seemed pleased with thoughts and also suggested a few.I took these into careful consideration and made sure that my crews suggestions were included.But little did I know t

22、hat my “perfect plan” was not perfect according to my English teacher who was in charge of my house.Even though it was supposed to be a completely studentbased activity，my English teacher poked her nose into the production.All of us wanted to win and this was made very clear by my English teacher.Sh

23、e changed our entire plan into something we could not understand.There was a lot of confusion among the actors and the crew.I was torn between listening to the complaints of the fellow students and obeying my teacher.But soon I realized that the way we were practicing would lead us nowhere.So，the ne

24、xt morning，I gathered all my courage，practiced what I was going to say to her and finally made the journey of my life to the staff room.I discussed with my teacher about the confusion being caused，the unsatisfied actors and how her interference(干预)was causing frustration.注意：1.续写词数应为150左右；2请按如下格式作答。P

25、aragraph 1：As I waited for my teacher to reply，I prepared myself for the blow. Paragraph 2：Though we came second in the English play competition，I realized I had got more out of the whole experience than I had hoped for. 【参考范文】Paragraph 1：As I waited for my teacher to reply，I prepared myself for the

26、 blow.But she just smiled and said that I had done a good thing bringing this to her attention.In the evening she called a meeting and told the crew to continue with previous plans and said that it was a studentbased production.As she left she told us that our “perfect plan” should make us win first

27、 place.Paragraph 2：Though we came second in the English play competition，I realized I had got more out of the whole experience than I had hoped for.I realized I had the courage to face problems and I could work under pressure as a team worker.Now I still pay a visit to my English teacher and each time I see her，her face reminds me of that terrifying walk to the staff room.