Unit 5　Section A　Starting out & Understanding ideas （新教材）2020外研版必修第一册课后习题.docx

1、Unit 5Into the wild Section A Starting out 该 段第二句提到,它是从堪萨斯州的动物园逃脱的;再根据第四段的第一句可知,当时它逃脱之后,向南 飞到了 Texas州。 2.Why is a part of wing cut from flamingo newborns? A.To stop them from flying forever. B.To help them to practise flying later. C.To keep them grounded temporarily. D.To make it easy for keepers t

2、o catch them. 答案 A 解析推理判断题。根据第二段可知,把新生的火烈鸟的部分翅膀剪掉,就是为了阻止它们飞行,这是通 常的做法;故选 A项。 3.What can we know about Flamingo No.492? A.It was separated from No.347 by a tropical storm. B.It once hid in a canal with its Caribbean companion. C.It lived happily with a Caribbean flamingo in a wetland. D.It was spotte

3、d by a bird watcher on May 23 in Lavaca Bay. 答案 C 解析推理判断题。根据第四段可知,编号 492的火烈鸟确实生活在低洼的盐碱的湿地,同伴是一只加 勒比火烈鸟。故选 C项。 4.About how old was Flamingo No.492 when sent to the Sedgwick County Zoo? A.2. B.5. C.13. D.20. 答案 B 解析细节理解题。根据最后一段可知,火烈鸟最多可活到 40岁,Arengo 预估它最多还可以活 20年,也 就是说它现在是 20 岁;它逃跑了 13 年,也就是逃跑时是 7 岁;逃

4、跑时是 2005 年,是到达动物园两年后, 也就是说它是 2003 年到达动物园的,到达时是 5 岁。故选 B项。 B A five-year-old dog named Kelsey has been praised as a hero for helping to save the life of her owner who slipped in the snow and broke his neck. The man,Bob,was alone when he left his Michigan farmhouse on New Years Eve to collect firewood

5、.Expecting a journey of only several metres,Bob was wearing just long johns (衬裤),a shirt and slippers when he went outside,although the temperature was around -4 . After the accident,he was unable to move in the snow.Fortunately,Kelsey came to his assistance. “I was shouting for help,but my nearest

6、neighbour is about 400 metres away,and it was 10:30 pm,” Bob explained.But my Kelsey came.By the next morning,my voice was gone and I couldnt yell for help,but Kelsey didnt stop barking. Kelseys companion kept him warm by lying on top of him.She licked his face and hands to keep him awake.“Kelsey ke

7、pt barking but never left my side,” Bob recalled.“She kept me warm.I knew I couldnt give up and that it was my choice to stay alive.” Bob spent 20 hours in the freezing cold.When he finally lost consciousness,his dog kept barking.Finally,hearing the barking,Bobs neighbour discovered him at 6:30 pm o

8、n New Years Day and called the emergency services at once.When Bob arrived in hospital,his body temperature was below 21.However,doctors were surprised to find that he didnt have any frostbite (冻疮).They believed it was because of Kelseys determination to keep him warm.Dr Chaim Colen,the doctor who t

9、reated Bob,said,“Animals can help and his dog really saved him.He was very fortunate.” Bob said he was “enormously” grateful to both Dr Colen and his Kelsey.“They saved my life.They are truly heroes!” 【语篇解读】本文是一篇记叙文。一只名叫 Kelsey的五岁小狗帮助在雪中滑倒摔断了脖子的 主人,并因为成功挽救了主人的生命而被誉为英雄。 5.What happened to Bob on New

10、Years Eve? A.He left his dog alone in his farmhouse. B.He was praised for saving a dog owner. C.He broke his neck and couldnt move. D.He heard his neighbours shouting for help. 答案 C 解析细节理解题。根据第一段中的“.to save the life of her owner who slipped in the snow and broke his neck”和第三段第一句“After the accident,h

11、e was unable to move in the snow.”可知,C项正确。 6.Why did Kelsey keep barking? A.To keep warm. B.To stay alive. C.To keep Bob awake. D.To seek help from others. 答案 D 解析细节理解题。根据第六段第二、三句可知,当 Bob 最终失去知觉时,他的狗仍在不停地叫。最 后,Bob的邻居发现了他,并且立刻给急救部门打了电话。因此可知,狗一直叫是为了向他人求助,故选 D项。 7.How does Dr Chaim Colen feel about Kel

12、sey? A.Helpful. B.Fortunate. C.Grateful. D.Friendly. 答案 A 解析推理判断题。根据第六段倒数第二句“Animals can help and his dog really saved him.”可知,Dr Chaim Colen认为 Kelsey在救助主人的过程中起了关键作用,帮助很大,故选 A项。 8.What can be a suitable title for the text? A.A Neck-breaking Accident B.The Magic Night C.Warmth on a Winters Night D.De

13、termination to Keep Alive 答案 C 解析主旨大意题。纵观全文可知,本文讲述了一只小狗在寒冷的除夕夜为雪中滑倒并摔断了脖子的 主人取暖,并最终挽救了主人的生命的故事,所以 C 项作标题最贴切。 .七选五 根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 A bird that hums Many birds are known for their special songs or calls.But one type of bird is famous for its hum (嗡嗡 声) the hummingbird.In fact

14、,hummingbirds get their name from the humming noise they make. 1 .Instead,the hum comes from the whir (嗡嗡声) of this tiny birds wings in flight. 2 .But one type of hummingbird makes a buzzing sound the bee hummingbird of Cuba.The bee hummingbird gets its name not only from its buzz,but also from its

15、size.This smallest bird in the world is only two inches (5 cm) long. When a young hummingbird first hatches (孵化) from its egg,its body and wings are featherless (无 羽毛的).But as soon as its feathers come out,the tiny bird starts to practice “humming”. 3 ,the baby hummingbird can beat its wings fast en

16、ough to “whir”,and its ready to fly. When a grown hummingbird really gets going,it can beat its wings up to 200 times per second and fly forward at about 30 miles per hour.Hummingbirds can also beat their wings both forward and backward as well as up and down. 4 it is the only type of bird that can

17、hover (盘旋),or stay in one place in the air.While it hovers,a hummingbirds wings beat back and forth up to 70 times per second. 5 ,watch its whirring wings and listen closely.Can you hear the hummingbirds hum? A.When its wings beat very fast B.After about a month of practice C.The next time you see a

18、 hummingbird D.This ability makes the hummingbird more special E.Most hummingbirds wings make a humming sound F.You might guess that a hummingbirds hum comes from its voice G.The baby hummingbird flies backward and forward as soon as it has feathers 答案与解析 【语篇解读】本文是一篇说明文。文章介绍了能够以快速拍打翅膀的方式而悬停在空中的鸟 蜂鸟。

19、 1.F 根据前文“get their name from the humming noise they make”可知,本段介绍了蜂鸟名字的由来。 F项内容与后文“the hum comes from the whir (嗡嗡声) of this tiny birds wings in flight”形成对比,符 合语境。 2.E 根据后文“one type of hummingbird makes a buzzing sound”可知,大多数蜂鸟飞行时翅膀发出嗡 嗡声,E项中的 Most和后文中的 one type 形成对比。 3.B B项中的 practice 与前文的 practice “humming”相呼应。 4.D 根据语境可知,D项中的 This ability指前文提到的“beat their wings both forward and backward as well as up and down”。 5.C 根据后文内容可知,此处作者建议读者如果下次遇见蜂鸟,一定要仔细观察它的翅膀,听一听它 发出的嗡嗡声。