2021-2022学年新教材高中英语 课时作业15 Unit 5 Into the unknown（含解析）外研版选择性必修第四册.doc

1、课时分层作业(十五).阅读理解AUnlike 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 fossils(恐龙化石)because dinosaurs died out

2、 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 group of dinosaurs got stuck(陷入)all at once，

3、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 results，dinosaur scientists now generally agre

4、e 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 even moved long distances together.As to

5、 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 discovered fossils of dinosaurs sitting on thei

6、r 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 more proof to reach an agreement.【语篇解读】本

7、文是一篇说明文。文章介绍了有关恐龙的一些知识。1Dinosaur 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“Instead，they have to search hard for information from dinosaur fossils because dinosaurs died out millions of years ag

8、o.”可知，是通过研究恐龙化石找到信息，故答案为A项。2What is pretty much settled according to Paul Sereno?AHalf of the dinosaurs lived alone.BMost dinosaurs moved long distances.CMany dinosaurs settled in the north.DSome dinosaurs lived in big groups.D细节理解题。从文中第三段可知：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

9、。3Dinosaur scientists can probably know whether dinosaurs were good parents by _Awatching many kinds of animalsBstudying dinosaurs living relativesCfollowing the tracks left behindDworking 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

10、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。BAt 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 disapp

11、eared.The group was Flight 19，on a run between Florida and Bahamas.Tailor was the group leader.At about 3：40，Tailor reported 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

12、of the direction by radio.Then，suddenly Tailor was heard to give orders to dive.Quickly，two giant Martin seaplanes were sent 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

13、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 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 Bermu

14、da 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 is 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

15、文是一篇记叙文。文章主要讲述了百慕大三角区的飞机消失的神秘事件。4Why did Flight 19 disappear?ABecause the wind became strong and visibility dropped.BBecause Tailor 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

16、“At about 3：40，Tailor reported that his compasses were not reading properly.”可知选D项。5In what position did Flight 19 disappear?AIn 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

17、 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。6How many planes disappeared altogether that day?AFive.BSix.CTwo.DOnly one.B细节理解题。根据第一、二段中“five US Navy training planes took off”“two giant Martin seaplanes were sent up.”和“one of the Martin seaplanes landed”可知，共有七

18、架飞机先后飞往该地区，只有一架安全返回，即有六架飞机失踪。7The underlined word“combed”in the passage means“_”Acovered withBflew overCdid up ones hair with a combDsearched 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。.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，使之构成一篇完整的短文。From hanging out with friends in the nearby coffee shop to daydreamin

19、g 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 directing the English play for the Annual Inter House Dramatics Competition

20、.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 the “perfect delivery of certain dialogues” and the “perfect effects”I di

21、scussed 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 that my “perfect plan” was not perfect according to my English teacher who

22、 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.She changed our entire plan into something we could not understand.There wa

23、s 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 next morning，I gathered all my courage，practiced what I was going to say to

24、 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。As I waited for my teacher to reply，I prepared myself for the blow. _Thoug

25、h 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】As I waited for my teacher to reply，I prepared myself for the blow.But she just smiled and said that I had done a good thing bringing this to her attention.In the evenin

26、g 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 place.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.