题目内容

17.The river growsbroader(broad ) as it nears the sea.

分析 这条河愈接近海的地方愈宽.

解答 答案:broader
由于此处用在系动词grow之后作表语,故用形容词形式;根据句意可知,此处表示两者的比较,即将靠近海的地方与不靠近海的地方相比,应使用形容词的比较级,故用broader.

点评 做本题时,应结合句意,并从语法分析的角度去判断句中所填单词的形式;另外,在平时的学习中,应熟练掌握所学到的词汇以及各类词法,句法等语法知识.

练习册系列答案
相关题目
7.Last Friday my brother and I were driving home and had a fun conversation.So absorbed in our talk,my brother took a wrong turn.
Unfortunately,the wrong turn took us towards a(41)A,and we had no way to turn(42)D.(43)Cmy brother paid the bridge fee and drove on.He was greatly(44)Bby his mistake and the needless (45)D of﹩4.
We eventually reached an exit,and as we took it,my brother noticed a young fellow(46)Dover to the side.He came out of his car and tried to(47)Csomeone.I was busy trying to (48)Bwhich way we would go next,but my brother stopped and asked the guy if he needed any(49)BAnd he did.He had a flat tire and needed a tool to get it off.
My brother gave him a wrench(扳手),and then helped him(50)Athe flat.The young man said that this had been a(51)Bweek for him:earlier he had gotten into a minor car(52)A,and now this tire was flat on his way home from work.But he called us"a breath of fresh air''and kept (53)Cus because he really would have been (54)D if we hadn't come along.
After we had finished the job,he thanked us again and pulled out﹩20to give us."No,"my brother said."We were never(55)Cto even get on that bridge.We took a wrong turn.But now we know(56)D we did.It was to help you.Thank you for turning our mistake into a(n)(57)Cto serve."
What I loved most was(58)Amy brother throughout this process.He was able to turn his mistake into(59)Cenergy to help others even in a negative situation,which could only come from a calm mind and an open(60)B.

41.A.bridgeB.freewayC.wallD.river
42.A.awayB.downC.overD.back
43.A.AmazedlyB.WorriedlyC.UnwillinglyD.Happily
44.A.attackedB.annoyedC.survivedD.suspected
45.A.chargeB.priceC.valueD.waste
46.A.leftB.movedC.pushedD.pulled
47.A.findB.complainC.phoneD.scold
48.A.put forwardB.figure outC.get acrossD.set aside
49.A.adviceB.helpC.moneyD.oil
50.A.changeB.checkC.repairD.carry
51.A.pleasantB.terribleC.memorableD.busy
52.A.accidentB.debateC.saleD.show
53.A.encouragingB.teachingC.thankingD.troubling
54.A.damagedB.defeatedC.neglectedD.stuck
55.A.allowedB.forcedC.supposedD.welcomed
56.A.thatB.whatC.howD.why
57.A.businessB.failureC.opportunityD.success
58.A.watchingB.helpingC.askingD.thanking
59.A.usualB.naturalC.positiveD.special
60.A.headB.heartC.stageD.view
5.When people first walked across the Bering Land Bridge thousands of years ago,dogs were by their sides,according to a study published in the journal Science.
Robert Wayne of the University of California,Los Angeles,and Jennifer Leonard of the Smithsonian Institute,used DNA material-some of it unearthed by miners in Alaska-to conclude that today's domestic dog originated in Asia and accompanied the first humans to the New World about 10,000to 15,000years ago.Wayne suggests that man's best friend may have enabled the tough journey from Asia into North America."Dogs may have been the reason people made it across the land bridge,"said Wayne."They can pull things,carry things,defend you from fierce animals,and they're useful to eat."
Researchers have agreed that today's dog is the result of the domestication(驯化) of wolves thousands of years ago.Before this recent study,a common thought about the precise origin of North America's domestic dog was that Natives domesticated local wolves,the descendents(后代) of which now live with people in Alaska,Canada,and the Lower 48.
Dog remains  from a Fairbanks-area gold mine helped the scientists reach their conclusion.Leonard,an evolutionary biologist,collected DNA from 11bones of ancient dogs that were locked in permafrost(永冻层) until Fairbanks miners uncovered them in the 1920s.The miners donated the preserved bones to the American Museum of Natural History in New York City,where they remained untouched for more than 70years.After borrowing the bones from the museum,Leonard and her colleagues used radiocarbon techniques to find the age of the Alaska dogs.They found the dogs all lived between the years of 1450and 1675A.D.,before Vitus Bering and Aleksey Chirikov who were the first known Europeans to view Alaska in 1741.The bones of dogs that wandered the Fairbanks area centuries ago should therefore be the remains of"pure native American dogs,"Leonard said.The DNA of the Fairbanks dogs would also expose whether they were the descendents of wolves from North America.
Along with the Fairbanks samples,the researchers collected DNA from bones of 37dog specimens(标本) from Mexico,Peru,and Bolivia that existed before the arrival of Columbus.In the case of both the Alaska dogs and the dogs from Latin America,the researchers found that they shared the most genetic material with gray wolves of Europe and Asia.This supports the idea of domestic dogs entering the New World with the first human explorers who wandered east over the land bridge.
Leonard and Wayne's study suggests that dogs joined the first humans that made the adventure across the Bering Land Bridge to slowly populate the Americas.Wayne thinks the dogs that made the trip must have provided some excellent service to their human companions or they would not have been brought along."Dogs must have been useful because they were expensive to keep,"Wayne said."They didn't feed on mice; they fed on meat,which was a very guarded resource."

27.The underlined word"remains"is closed in meaning toB.
A.leftover food     B.dead bodies     
C animal waste.     D.living environment
28.According to the study described in Paragraph 4,we can learn thatA.
A.the bones studied were not from dogs brought into North America by Europeans
B.the 11bones of ancient dogs are not from native American dogs
C.the bones discovered by the gold miners were from North American wolves
D.ancient dogs entered North America between 1450and 1675AD
29.What can we know from the passage?B
A.Native Americans domesticated local wolves into dogs.
B.Ancient dogs entered North America across the Bering Land Bridge.
C.Latin America's dogs are different from North America's in genes.
D.Scientists discovered some ancient dog remains in 1920s.
30.The first humans into the New World brought dogs along with them becauseD.
A.dogs fed on mice
B.dogs were easy to keep
C.dogs helped protect their resources
D.dogs could provide excellent service
31.The passage mainly talks aboutA.
A.the origin of the North American dogs
B.the DNA study of ancient dogs in America
C.the reasons why early people entered America
D.the difference between Asian and American dogs.
9.There was once a lonely girl who longed so much for love.One day while she was walking in the woods she found two starving songbirds.She took them home and put them in a s mall cage,caring them with love.Luckily,the b irds grew strong little by little.Every morning they greeted her with a wonderful song.The girl felt great love for the birds.
One day the girl left the door to the cage open accidentally.The larger and stronger of the two birds flew from the cage.The girl was frightened that he would fly away.So as he flew close,she grasped him wildly.Her heart felt glad at her success in capturing him.Suddenly,she felt the bird go week,so she opened her hand and stared in horror at the dead bird.It was her desperate love that had killed him.
She noticed the other bird moving back and forth on the edge of the cage.She could feel his strong desire-needing to fly into the clear,blue sky.Unwillingly,she lifted him from the cage and tossed him softly into the air.T he lucky bird circled once,twice,three times.
The girl watched delightedly at the bird.Her heart was no longer concerned with her loss.What she wanted to see was that the bird could fly happily.Suddenly the bird flew closer and landed softly on her shoulder.It sang the sweetest tune that she had ever heard.
Remember,the fastest way to lose love is to hold on to it too tight; the best way to keep love is to give it wings!
1.After the girl found the two birds,sheD.
A.became delighted at once              B.treated them badly
C.took them to their home               D.fed them and raised them
2.Why did the girl grasp the stronger bird wildly?
C
A.Because the girl disliked the bird any longer.
B.Because the bird wanted to fly alone.
C.Because the girl loved the bird deeply.
D.Because the bird intended to find some food.
3.The un derlined word"tossed"in the passage meansA.
A.throw something with slightly force      
B.give up something happily
C.hold something fast                  
D.cast something without patient.
12.Have you ever felt that you want more friends?Have you found that you don't know how to make friends?Don't worry.It's easier than it looks.
Start with small actions.If you're uncomfortable with long conversations with people,start by just saying"hi"and asking what the person is doing.Even if you do more listening than talking in the beginning,people will usually still like you.When it comes to conversations,remember"F.O.R.".It stands for family,occupation(职业) and recreation(休闲).You are most likely to be asked about these three topics when you meet someone new.Most people feel comfortable talking about the three topics.The great thing is that you also can communicate with someone new in these three areas.
Honesty is the best policy.In friendship,"honesty"is thefundamentalquality that one must have.One should always be honest with his or her friends.Don't laugh at people's fault.Praise them honestly and openly.Say you are sorry if you hurt your friend.
Give more than you take.Be there when they need you,encourage them; we all need encouragement now and then.Encourage their dreams.Life seems meaningless without them.Wish your friends good luck.Examine your purpose before you"help out".Love and never forget them.
1.The author thinks making friends isB.
A.difficult          B.easy          C.funny           D.interesting
2.What does the underlined word"fundamental"in Paragraph 3 mean?A
A.basic.B.beautiful.C.comfortable.D.meaningful.
3.Which would be the best title for this passage?B
A.Where to Meet Friends?
B.How to Make Friends?
C.What Is a Friend Indeed?
D.Everyone Needs Friends.

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网