完形填空（共20小题；每小题1分，满分20分）
请认真阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
Most people think of birds as feathered animals that fly. Scientists, 36 , do not define (给…下定义) birds as animals that fly, because some birds do not. Of the 10,000 or so species of birds, 46 cannot 37 . Flight plays a key role in 38 for most birds. It allows them to find food over a 39 area and to get away from enemies. Ancestors of flightless birds may have 40 their ability to fly because they had no regular predators (捕食者) or did not need to fly to find food. Rather than fly, some of these birds developed other 41 to catch food and avoid enemies. Two examples of 42 birds are penguins and ostriches.
43 birds that fly, penguins do not have wide wings or large feathers. In order to catch the fish they feed on, penguins use their powerful wings to swim 44 . And when they swim, they look as if they are flying through the water. The 45 of penguins’ bodies makes it possible for them to dive deep underwater, 46 their thick feathers protect them from the cold.
Ostriches are known for their long legs, long necks, and large size. To 47 themselves, they stay in groups and use their excellent sight and hearing to 48 enemies. As soon as 49 approaches, they can run at a speed of more than 65 kilometers per hour to 50 . In addition to using their strong legs to run, they can kick powerfully.
Not all flightless birds have been 51 in protecting themselves. Flightless birds on some islands had no enemies until people 52 . These birds were hunted and easily caught by people and the animals 53 by people. Human land development has 54 the habitats of some birds. A number of flightless birds 55 because they were unable to adapt to new conditions and new enemies.
A．thus B．however C．therefore D．otherwise
A．stand B．fly C．hear D．sing
A．growth B．communication C．health D．survival
A．wide B．familiar C．crowded D．special
A．developed B．improved C．lost D．proved
A．parts B．habits C．ways D．tools
A．wild B．interesting C．rare D．flightless
A．Instead of B．Because of C．Besides D．Unlike
A．quickly B．carefully C．differently D．gradually
A．shape B．color C．bone D．skin
A．if B．and C．but D．so
A．help B．feed C．protect D．hide
A．kill B．notice C．confuse D．frighten
A．dawn B．darkness C．danger D．food
A．look B．escape C．move D．fight
A．successful B．natural C．unusual D．positive
A．realized B．acted C．stopped D．arrived
A．brought B．found C．bought D．hunted
A．provided B．formed C．destroyed D．controlled
A．flew away B．watched out C．gave away D．died out
A group of people were in search of a home. After some time walking around, they finally found a place to down.
They needed some , and the chief (首领) sent out three groups of people to the surrounding areas. After a short discussion, the three groups went out in directions.
The first group explored the north. There, they saw large fields with crops, vegetables and fruits. They went back to report their . “We saw lots of vegetation (植物). We can be .”
The second group went southwest. There, they saw lots of . As they went back, they said, “We saw hundreds of animals. We can for our food, and rely on meat to sustain (维持) us.”
The last group went southeast. There, they reached the sea and saw hundreds of fish swimming. They returned and said, “We saw plenty of fish. We can go for our food.”
“We can eat meat alone!” shouted the second group.
“No! ! We did not see any animals at all!” said the first group.
The third group joined in, “Are you ? We did not see anything like you have . There was only water. We need to become fishermen!”
Each group got so with the others that they each went to the place they had explored. They were that they alone had the answer and that the others must have been wrong.
, each group of people only chose to believe themselves. they had chosen to learn from one another and them, they could have had the best of everything.
A．spending B．costing C．taking D．losing
A．break B．cool C．settle D．calm
A．water B．food C．energies D．information
A．explore B．clean C．measure D．cover
A．same B．a C．/ D．different
A．main B．few C．poor D．many
A．experiences B．findings C．results D．conditions
A．vegetarians B．fishermen C．hunters D．miners
A．mountains B．people C．animals D．houses
A．prepare B．hunt C．fight D．wait
A．mainly B．partly C．fully D．hardly
A．surfing B．boating C．fishing D．swimming
A．Fishes B．Crops C．Cows D．Flowers
A．going B．sleeping C．coming D．joking
A．described B．brought C．wrote D．explained
A．strict B．angry C．sad D．pleased
A．sad B．pleasant C．sure D．anxious
A．Happily B．Luckily C．Unluckily D．Hopefully
A．After B．Because C．Before D．If
A．admire B．believe C．appreciate D．understand
There is a holiday next week and I can’t decide what to do． I have a lot of
work to do and this would be a good chance ． But I don’t like the holiday in such a way． I can work at home all the rest of the year． Last year I went to the mountains． there was beautiful， but it is too cold this time of a year． And it’s really far to go for a short holiday．
I decide this isn’t a good time to the mountains．
But I to go somewhere else．
Perhaps this would be a good chance to go to the beach（海滨）．I like to go for walks the seashore the warm sunshine and watch the water． It’s only eight miles away and I could get there about two hours． After thinking it ，I am sure that this is a 39 time for the seashore than ．
Oh， here is a letter Jim． He he is going to his house in the mountains for the ，and he me to go with him． giving it some more thought， I wrote back to Jim and thanked him for that．
A．at home B．at house C．in school D．in factory
A．do it B．doing that C．to do it D．with that
A．to take B．to spend C．having D．asking
A．the north B．for north C．north D．to north
A．Nothing B．Everything C．Somebody D．Anything
A．very B．enough C．rather D．too
A．that B．what C．whether D．when
A．go B．go to C．go for D．leave
A．do want B．wanted C．shall want D．was wanting
A．on B．by C．beside D．along
A．on B．during C．in D．under
A．in B．for C．with D．after
A．about B．of C．over D．on
A．good B．fine C．better D．best
A．home B．the mountains C．big cities D．country villages
A．for B．to C．from D．by
A．says B．tells C．speaks D．talks
A．weekend B．holiday C．sunday D．trip
A．want B．wish C．hopes D．asks
A．When B．With C．Without D．As
A man lived at the foot of a hill. For a long time, he heard of tales of the other side of the hill—stories of rich land, weather and beautiful scenery.
One day, he was life in his home town and thought it was to improve it, so he packed his bags, left his home and started climbing the hill, to live a better life.
The climb was very .The man had to stop to rest many times. At some , the hill was very steep (陡峭的) indeed, and he almost wanted to . But his dream of a better life him going.
One afternoon, the man came to another steep part of the hill. And at the top stood some thick plants. The same had happened to him many times before. this time it was a little hard to get over it, he surely was able to do it.
, the man was too tired after all those days of and pushing through high plants. He was that he still had no results to show, no fruit to enjoy. He just didn’t want to any more. He said to himself, “Maybe life on the other side of the hill is not like what the told. My old home isn’t that anyway.” He finally made his decision, and set off for home.
Actually the man didn’t know that he climbed over that slope (斜坡), he could see the other side of the hill and all he had heard about that place was . The man had already done the hard part, but he to stop trying when things were going to get much better.
A．bad B．hot C．perfect D．cold
A．interested in B．bored of C．surprised at D．nervous about
A．easy B．necessary C．simple D．right
A．wishing B．beginning C．refusing D．helping
A．astonishing B．interesting C．tiring D．attractive
A．afternoons B．days C．points D．corners
A．get up B．give up C．sit down D．run away
A．stopped B．asked C．noticed D．kept
A．trouble B．steep C．dream D．illness
A．If B．Because C．When D．Although
A．Luckily B．However C．Or D．So
A．running B．playing C．climbing D．waiting
A．happy B．angry C．excited D．charged
A．try B．help C．escape D．learn
A．films B．books C．tales D．lessons
A．strange B．terrible C．useless D．dangerous
A．looked around B．turned around C．went on D．slowed down
A．as if B．so that C．as long as D．as well as
A．false B．true C．funny D．important
A．prepared B．agreed C．chose D．failed
A little boy invited his mother to attend his school’s first teacher-parent parent meeting. To the little boy’s , she said she would go. This be the first time that his classmates and teacher his mother and he felt of her appearance. Although she was a beautiful woman, there was a severe scar(疤痕)that nearly the entire right side of her face. The boy never wanted to why or how she got the scar.
At the meeting, the people were by the kindness and natural beauty of his mother the scar, but the little boy was still embarrassed(尴尬)and himself from everyone. He did, however, get within of a conversation between his mother and his teacher.
The teacher asked , “How did you get the scar on your face?”
The mother replied, “ my son was a baby, he was in a room that caught fire. Everyone was afraid to go in because the fire was ，so I went in. As I was running toward his bed, I saw a long piece of wood coming down and I placed myself over him trying to protect him. I was knocked but fortunately, a fireman came in and saved both of us.” She the burned side of her face. “This scar will be , but to this day, I have never what I did.”
At this point, the little boy came out running toward his mother with tears in his eyes. He held her in his arms and felt a great of the sacrifice(牺牲)that his mother had made for him. He held her hand for the rest of the day.
A．disappointment B．enjoyment C．surprise D．excitement
A．would B．could C．should D．must
A．noticed B．greeted C．accepted D．met
A．sick B．ashamed C．afraid D．tired
A．included B．passed C．covered D．shaded
A．talk about B．think about C．care about D．hear about
A．impressed B．surprised C．excited D．comforted
A．in sight of B．by means of C．by way of D．in spite of
A．hid B．protected C．separated D．escaped
A．understanding B．reminding C．hearing D．learning
A．carefully B．seriously C．nervously D．anxiously
A．As B．When C．Since D．While
A．so B．much C．quite D．too
A．out of control B．under control C．in control D．over control
A．helpless B．hopeless C．senseless D．useless
A．pointed B．showed C．wiped D．touched
A．ugly B．lasting C．serious D．frightening
A．forgot B．recognized C．consider D．regretted
A．honor B．sense C．happiness D．pride
A．quietly B．slightly C．tightly D．suddenly
John and Mary had a nice home and two lovely children，a boy and a girl. John had a good ____ and had just been asked to go on a business trip to another city and it was ____ that Mary needed an outing and would go along too. They ____ a reliable woman to care for the children and made the ____，returning home a little earlier than they had planned.
____ they drove into their hometown，they found a home in flames. Mary said，“Oh well，it isn't our fire；let's go home.”
____ John drove closer and exclaimed，“That home belongs to Fred Jones who works at the plant. He wouldn't be ____ work yet. Maybe there is something we could do.”
John drove up and stopped and they were both ____ to see the whole house in flames. A woman on the lawn was in hysterics ____，“The children！Get the children！They are in the basement.”
____ Mary's protests，John grabbed the water hose and soaked（浸湿）his clothes，put his wet handkerchief on his head and ____ for the basement which was full of ____.He found two nearly suffocated（窒息的）children and after carrying them to safety，he asked how many more children were ____ there. They told him two more and Mary ____ his arm and screamed，“John！Don't go back！It's ____！That house will cave in any second！”
But he shook her off and went back by ____ his way down the smoke-filled hallway and into the room. It ____ a long time before he found both children and started back and at last when they came out into the ____ and fresh air，he found that he had just ____ his own children.
It turned out that the babysitter had ___ them at this home while she did some shopping.
A．job B．family C．wife D．boss
A．known B．believed C．decided D．hoped
A．asked B．hired C．intended D．reminded
A．preparations B．promise C．decision D．trip
A．Before B．As C．Once D．Since
A．And B．So C．Now D．But
A．off B．on C．out of D．at
A．heartbroken B．consciencestricken C．horrorstricken D．povertystricken
A．coughing B．screaming C．whispering D．laughing
A．Apart from B．In case of C．Instead of D．In spite of
A．reached B．searched C．dashed D．sent
A．smoke B．darkness C．children D．danger
A．up B．away C．out D．down
A．pulled B．took C．grabbed D．held
A．dangerous B．useless C．over D．stupid
A．pushing B．feeling C．jumping D．moving
A．meant B．spared C．spent D．seemed
A．shade B．sunlight C．shadow D．crowd
A．helped B．found C．recognized D．rescued
A．left B．charged C．removed D．forgotten
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