It was once thought that air pollution affected only the area immediately around large cities with factories and/or heavy automobile traffic. Today, we know that although these are the areas with the worst air pollution, the problem is actually worldwide. On several occasions over the past decade, a heavy cloud of air pollution has covered the entire eastern half of the United States and led to health warnings even in rural areas away from any major concentration of manufacturing and automobile traffic. In fact, the very climate of the entire earth may be affected by air pollution. Some scientists feel that the increasing concentration of carbon dioxide in the air resulting from the burning of fossil fuels (coal and oil) is creating a “greenhouse effect" - holding in heat reflected from the earth and raising the world's average temperature. If this view is correct and the world's temperature is raised only a few degrees, much of the polar ice cap will melt and cities such as New York, Boston, Miami, and New Orleans will be under water.
Another view, less widely held, is that increasing particulate (廢氣排往空中而形成的微粒、顆粒) matter in the atmosphere is blocking sunlight and lowering the earth's temperature ─ a result that would be equally disastrous. A drop of just a few degrees could create something close to new ice age and would make agriculture difficult or impossible in many of our top farming areas. At present we do not know for sure that either of these conditions will happen (though one recent government report prepared by experts in the field concluded that the greenhouse effect is very likely). Perhaps, if we are very lucky, the two tendencies will offset each other and the world's temperature will stay about the same as it is now.
As pointed out at the beginning of the passage, people used to think that air pollution ______.
A. caused widespread damage in the countryside
B. affected the entire eastern half of the United States
C. had damaging effects on health
D. existed merely in urban and industrial areas
As far as the greenhouse effect is concerned, the author ______.
A. shares the same view with the scientists
B. is uncertain of its occurrence
C. rejects it as being ungrounded
D. thinks that it will destroy the world soon
The underlined word “offset" in Para. 2 could best be replaced by______.
A. slip into B. make up for C. set up D. catch up with
This passage is mainly concerned with ______.
A. the greenhouse effect B. the burning of fossil fuels
C. the potential effect of air pollution D. the possibility of a new ice age
挑戰100單元檢測試卷系列答案科目：高中英語 來源：2011-2012學年吉林省長春市二中高二期中考試英語試卷（帶解析） 題型：完型填空
Mr Brown lives in Sydney. His house is about five kilometers ____41___ his office and the bus can ____42___ him there. He likes football very much and wants to ___43___ the football matches. His wife likes to buy nice clothes and ___44___ her husband give all his wages to her and he has to do ___45___ she says. Then she always __46___ some fares (車費) back to him. Of course Mr Brown doesn’t have any money to buy the ___47___. One evening he went to watch a football match. He bought a ticket ___48___ all his money and he ___49__to go home ___50__ foot. When he ___51___ home, he was tired, but felt ___52___. Since then he began to go to work on foot. But he is ___53__ to tell his wife about it.
This morning when he was having breakfast, he ____54__ a piece of news over the radio: the bus fares were going to __55__ in price. He hurried to turn it __56__, but it was too __57___. His wife asked, “What did the radio say?”
He had to ___58__ her all he heard. Then he became sad and said, “ What a Pity!”
“You must be happy, I think,” said his wife. “You will save some ___59___.”
“Sorry, I can’t ___60__ with you.” said Mr Brown. “I won’t be able to watch two matches a month!”
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科目：高中英語 來源：2010-2011年海南省嘉積中學高一下教學質量檢測（三）英語試卷 題型：完型填空
A young man was one day taking a walk with a professor. As they went along, they saw 36 in the path a pair of old shoes. They guessed the shoes belonged to a poor man who had 37 finished his day’s work in a field close by.
The student 38 the professor, saying, “Let’s play the man a(n) 39 : we will hide his shoes, and we stay behind those bushes to see his 40 when he cannot find them.”
“My young friend,” answered the professor, “we should never 41 ourselves in that way. You are 42 , and may give yourself a greater pleasure by helping the poor man. Perhaps we put a 43 into each shoe, and watch his reaction.”
The student did so, and they both 44 themselves behind the bushes. The poor man soon finished his work, and came 45 the field to the path where he had left his coat and shoes. While 46 his coat he slipped his foot into one of his shoes; but feeling something 47 , he bent down to feel what it was, and found the coin.
He was 48 , and looked at the coin again and again. He then looked around 49 on all sides, but no person was to be seen. He now put the money into his pocket, and began to put on the other shoe; but his surprise was 50 on finding the other coin.
His feelings overcame him; he fell upon his 51 , looked up to heaven and preyed, He spoke of his wife, sick and 52 , and his children without bread. The timely giving, from some unknown hand, would 53 from dying.
The student was moved and his eyes filled with tears. “Now,” said the professor, “are you not much better pleased than if you had played your 54 trick?”
The youth replied, “Thank you! Sir! I feel now the 55 of those words, which I never understood before: ‘It is more blessed to give than to receive.’
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．faith B．fact C．truth D．reliability查看答案和解析>>
科目：高中英語 來源：2011屆福建省四地六校聯考高三上學期第二次月考英語卷 題型：完型填空
I had planted different hot peppers in my garden. A Mexican fellow called Sam worked for me. He_36_ hot peppers, too. It was late summer and a beautiful sunny day. My son, Marcus, eight, and my daughter, Ellen, ten, picked several 37 hot peppers and entered our workroom, with their 38 ．They wanted to see if Sam could 39 more hot peppers than I. After a little joking with them we agreed to the contest but they had to 40 ，too. That was not 41 terms for them so they left the room.
They 42 about an hour later with a new proposal and new hot peppers they had just picked． 43 they had reasoned that when a pepper was 44 in color it was the hottest kind. Marcus and Ellen would eat the green colored peppers 45 Sam and I would eat the red colored peppers. Giving Sam a wink（使眼色），we 46 . Showing good sportsmanship（體育精神），I had the kids 47 the peppers that Sam and I would eat. They picked the largest two red peppers. Then they picked a 48 green one for themselves. Knowing what was going to 49 ，I told them I would make it 50 for them. I cut one pepper in half and removed the 51 to reduce the heat a little. The contest was one of speed rather than 52 ．Each child had pepper in hand and was 53 to start .
Looking at my 54 I said, OK, on three. One, Two, THREE. So much happened all at once. Tears, screams and spitting running around, the children 55 their mouth with fast waving hands. A short time later, Sam and I agreed that the red tasted better than the green.
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科目：高中英語 來源：2010-2011遼寧遼南協作體高一下學期期中英語試卷 題型：完型填空
I live in a rural area but sometimes we go to the city to go shopping. One day, my daughter and I 21 we needed a day of it. We 22 made the most of it. Like anyone that likes going shopping, we of course had a 23 day.
After we bought all that we needed, it was time to go. On the way to the exit doors, there was a lady 24 the pay phone who wasn’t able to speak English very well. She 25 getting help from people but kept getting 26 all the time. Seeing the 27 in her face, I stopped to see if I could help her. I didn’t really 28 much of what she was saying but I finally got the idea 29 she wanted a 30 . She gave me the coins and I called one of the taxi companies. I 31 that the lady didn’t talk much English but 32 a taxi. They replied they would 33 one out right now. I tried my best to tell that to the lady. Soon she 34 happily. Obviously, she was very 35 to me.
When my kids were 36 , I would do an act of kindness and after we were away from the 37 , I would explain what I did and 38 . I wasn’t trying to 39 but just trying to teach them about acts of 40 . They learned that it was OK to help others and have gone on to do the same.
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| A．considered | B．managed | C．begged | D．tried |
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| A．calmness | B．sadness | C．courage | D．anger |
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| A．company | B．taxi | C．telephone | D．lift |
| A．apologized | B．explained | C．repeated | D．sentenced |
| A．escaped | B．voted | C．needed | D．rewarded |
| A．send | B．lend | C．give | D．leave |
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| A．show off | B．show around | C．blow up | D．give up |
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科目：高中英語 來源：2012-2013學年河北衡水第十四中學高二下學期期末考試英語卷（帶解析） 題型：完型填空
A young student was one day taking a walk with a professor, who was commonly __36_ the students’ friend. As they went 37, they saw lying in the path a pair of old 38_, which they supposed to belong to a poor man who was working in a 39 . The student turned to the professor, saying: “Let us play the man 40: we will hide his shoes, and 41ourselves behind those bushes, and wait to see his 42 when he cannot find them.”
“My young friend,” answered the professor, “we should never 43 ourselvesat the 44of the poor. But you are 45, and may give yourself a much greater 46 by means of the poor man. Put a coin into each shoe, and then we will hide ourselves and 47 how the discovery affects him.” The student did so, and they both placed themselves behind the bushes. The poor man soon finished his work and came 48the field to the path 49 he had left his coat and shoes. While 50his coat he slipped his foot into one of his shoes; but feeling something 51, he bent down to feel 52 it was, and found the coin. Astonishment and wonder were seen upon his face. He then looked around him on all sides, but no person was to be seen. He now put the money into his pocket, and continued to put on the other shoe; but his53was doubled on finding the other coin. He fell upon his knees, looked up to heaven and said aloud a fervent(熱烈的) thanksgiving, in which he 54 his wife, sick and helpless, and his children without bread. The student stood there deeply55, and his eyes filled with tears.
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