The amount of carbon taken in by growing plants increased from 1982 through 1999 as
temperatures rose and the amount of carbon dioxide in the atmosphere increased. But a new study
in Friday ’ s edition of the journal Science found a drought - related decline in such plant growth
from 2000 to 2009，even though temperatures continued to climb.
As drought caused by warming reduces the land ’ s ability to take in carbon，the result could
be more carbon dioxide left in the atmosphere，and thus more warming，Zhao Maosheng from the
University of Montana explained in a telephone interview.
“This is a pretty serious warning that warmer temperatures are not going to endlessly improve
plant growth ’” co - author Steven Running，also from the University of Montana ’ said in a
statement. “ We see this as a bit of a surprise，and potentially significant on a policy level because
previous interpretations suggested global warming might actually help plant growth around the
world, “ he said.
Instead, he and Zhao found a small but measurable decline of about 1%，compared to a6%
increase in the past decade.
Their study，based on the data collected by NASA satellites，found that north areas continued
to increase plant growth，thanks to warmer temperatures and a longer growing season.
Someone commented, "This past decade’ s net decline in earthly productivity suggests that a
complex relationship between temperature, rainfall, cloudiness, and carbon dioxide, probably in
combination with other factors such as nutrients(營(yíng)養(yǎng)）and land management，will determine
future patterns and trends in productivity.，，
小題1:From the first paragraph, we can learnin the recent decade or so.
A．the emission(排放)of carbon hasn’ t been reduced
B．draught has been causing loss of soil and water
C．carbon dioxide levels have been rising
D．the rise of temperature doesn' t promote the plant growth
小題2:Zhao Maosheng really worried that .
E.     more and more land will be abandoned
F.    the climate becomes warmer and warmer
G.   the emission of carbon dioxide increases
H.   draught further reduces the number of the plants
小題3:Steven Running made his statement to  .
I.      confirm Zhao' s views on the influence of temperature rise
J.     urge the government to take necessary measures
K.    warn the people to strengthen the plant protection
L.    support Zhao* s views on lhe plant production
小題4:We can infer from the passage that  .
A．global warming will determine the future productivity
B．various factors play a key role jointly on future productivity
C．earthly productivity actually increased in the past decade
D．temperature rise has had no effect on future producticity patterns
小題1:D小題1:B小題1:A小題1:B
略
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源：不詳 題型：完形填空

完形填空（共20小題；每小題1.5分，滿分30分）
閱讀下面短文，掌握其大意，然后從下面各題所給的四個(gè)選項(xiàng)（A，B，C和D）中，選出最佳選項(xiàng)。
The party began shortly after Mr. Wood, who lived in the flat below, sighed to himself as he heard excited voices and the noisy music. Luckily he had  36 some work home from the office,  37  he kept himself busy for a couple of hours, thus managing to pay no attention to the noise 38. But by eleven o’clock he felt 39 and was ready to go to bed, though from his earlier experience he knew it was  40 trying to get to sleep. He undressed and lay for a while on the bed, trying to read, but he  41 himself reading the same page over and over again. He then turned off the light and  42 his head in the pillow. But 43 he could not shut  44 the noise, finally, after 45 seemed hours, his 46 was gone.
He jumped out of bed, 47 some clothing, marched 48 up the stairs, and walked into his neighbor’s flat. The owner of the flat, who 49 him in his dressing gown, came 50 the room and,51 Mr. Wood could say anything, cried, “My dear fellow, come and 52. I know our parties 53 you. I meant to send you 54” Mr. Wood’s anger disappeared then and there. He said, “I’d better go and get 55 . Minutes later, he returned, properly dressed, only to find that the party was nearly over.
小題1:
A．takenB．carriedC．broughtD．fetched
小題2:
A．with whichB．from whichC．whereD．when
小題3:
A．outsideB．overhead C．downstairsD．nearby
小題4:
A．badB．tiredC．sickD．hopeless
小題5:
A．uselessB．necessaryC．possibleD．helpful
小題6:
A．hadB．foundC．caughtD．felt
小題7:
A．buriedB．restedC．shookD．turned
小題8:．
A．till thenB．worse stillC．strange enoughD．even so
小題9:．
A．a(chǎn)wayB．offC．downD．up
小題10:
A．itB．whatC．thatD．which
小題11:
A．sleepB．strengthC．patienceD．a(chǎn)nger
小題12:
A．pulled onB．dressed upC．selectedD．wore
小題13:
A．sadlyB．proudlyC．quietlyD．firmly
小題14:
A．made fun ofB．stared atC．was angry withD．caught sight of
小題15:
A．a(chǎn)crossB．a(chǎn)roundC．towardsD．by
小題16:
A．a(chǎn)sB．beforeC．thoughD．until
小題17:
A．meet asB．sit hereC．join usD．scold me
小題18:
A．should botherB．would bother C．need botherD．shall bother
小題19:．
A．a(chǎn) noticeB．a(chǎn) messageC．a(chǎn)n invitationD．a(chǎn)n apology
小題20:
A．washedB．changedC．dressedD．prepared

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：完形填空

完形填空(共20小題;每小題1.5分，滿分30分)
閱讀下面短文，從短文后各題所給的四個(gè)選項(xiàng)(A，B，C，D)中，選出可以填入空白處的最佳選項(xiàng)，并在答題卡上將該項(xiàng)涂黑。
　　Summer is the best time on the Island of the Blue Dolphins (海豚). The sun is warm then and the winds blow out of the west,   16  out of the south.
It was   17  these days that the ship might return and now I   18 most of my time on the rock,   19  out from the headland（水中凸起的陸地） into the east, towards the country  20  my people had gone, across the   21  that was never-ending.
Once  22  I watched, I saw a small object which I took to be the ship, but a stream of water   23  from it and I knew that it was whale (鯨魚)spouting (噴水). During those summer days I saw nothing   24 .
The first storm of winter   25  my hopes. If the white men's ship were   26     for me it would have come during the time of good   27 . Now I would have to wait  28  winter was gone, maybe longer.
The thought of being   29  on the island while so many suns rose   30  the sea and went   31  back into the sea   32  my heart with loneliness. I had not felt so  33  before because I was sure   34  the ship would return as Matasaip had said   35  would. Now my hopes were dead.
小題1:
A．totallyB．a(chǎn)lreadyC．entirelyD．sometimes
小題2:
A．duringB．forC．a(chǎn)fterD．between
小題3:
A．spentB．sharedC．paidD．devoted
小題4:
A．lookB．to lookC．lookingD．looked
小題5:
A．whenB．whereC．whichD．until
小題6:
A．islandB．seaC．lakeD．ocean
小題7:
A．sinceB．thoughC．whileD．till
小題8:
A．roseB．raisedC．grewD．set
小題9:
A．differentB．ordinaryC．elseD．valuable
小題10:
A．encouragedB．endedC．sparedD．limited
小題11:
A．leadingB．movingC．comingD．following
小題12:
A．weatherB．patternC．rainD．fog
小題13:
A．a(chǎn)fterB．a(chǎn)sC．untilD．while
小題14:
A．quietB．a(chǎn)loneC．calmD．a(chǎn)live
小題15:
A．ofB．inC．toD．from
小題16:
A．rapidlyB．quicklyC．slowlyD．fully
小題17:
A．pumpedB．setC．filledD．full
小題18:
A．lonelyB．strictC．boringD．empty
小題19:
A．whetherB．a(chǎn)ndC．thatD．when
小題20:
A．itB．heC．thatD．this

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：閱讀理解

After our early morning wake-up, we are still a couple of
hours away from the overlooks.It is pitch black.I can feel the
heavy humid fog left behind my last night's rain. This is why
the tour memo listed "flashlight". Unfortunately; the majority
of our hiking party of nine must have missed the memo, so we
have only four flashlights between us.
An hoar later,we are on the trail. It is dark, foggy, wet and the rocks are alippery.We alternate places between the flashlights "haves" and "have-nots". As we march, the only voices heard are from the "haves": "Step up, step down, watch out for the rock on your left."
We reach Intipunku with only 15 minutes to spare. The view at sunrise is not what we were told in the travel brochures. Three feet in front of our faces is a white substance called "fog".
As we walk towards the Machu Picchu ruins, my anticipation is mounting. When will the fog lift? Slowly, as if someone is cranking up a curtain, Huayna Picchu begins to appear,overlooking Machu Picchu. First there are fleeting glimpses, and then finally, there is, in its full splendor.
When I envisioned going to Machu Picchu, I always thought of mysterious ruins and the famous postcard picture looking toward Huayna Picchu. But there is more to this man-made / natural wonder of the World. It is the adventure of getting there. I knew I wanted to experience the feel of the Inca culture and the energy of this sacred valley, I also knew I didn't want to take the train, but needed to hike. Depending on your starting point,the Inca Trail is 25 to 33miles of semi-arid desert, breathless mountain passes and stunning tropical cloud forest. Our hike took us four nights and 25 miles to finish.
Our local guide MaurO keeps telling us "no worries, the hike is 90 percent mental and only 10 percent physical. "I am not convinced that the physical percentage is correct, but I definitely become more and more excited as we are now getting closer to Machu Picchu.By getting myself into good shape, running 20 miles and hiking a 500-foot-high hill five to seven times per week before I left for Peru, I was able to enjoy the beauty of the hike and not worry much about aching muscles and lungs.
小題1: About flashlights, which of the following statements is true?
A．The local guide had asked them to take flashlights for the hike.
B．They had taken enough flashlights for the hike.
C．Before they got to Intipunku, they depended a lot on their flashlights.
D．They used flashlights all the time.
小題2: Put the following events into the right order.
a. They reached Intipunku,
b. They read the travel brochures.
c. They walked on the trail in the dark.
d. They advanced to get closer to Maehu Picchu.
e. They enjoyed the splendor of Huayna Picchu.
A．ebadeB．bacdeC．a(chǎn)bcedD．bcaed
小題3: What does the underlined word "anticipation" in Paragraph Four mean?
A．expectationB．excitementC．disappointmentD．enthusiasm
小題4: What can NOT be inferred from the text?
A．The writer made good preparation for the tour.
B．The Inca Trail took them four nights.
C．Machu Picchu is in the country of Peru.
D．They reached Intipunku ahead of time.
小題5: According to the writer, what attracted him most in the tour?
A．Mysterious ruins.B．The famous post-card picture.
C．The hiking.D．The Inca culture.

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：閱讀理解

If you want to get the most out of the study of a language, you must also read for pleasure: novels, plays, travel books, and so on. And in reading books of this kind the important thing is to get on with the reading; to try to grasp what the writer is going to tell you in the book as a whole. This is impossible if you stop and think over the meaning of every single word which happens to be unfamiliar(不熟悉). You can not enjoy a story if you stop half a dozen times on every page in order to look up words in the dictionary. You may even prevent yourself from understanding the story as a whole by doing this.
When you are reading books of this kind, therefore, you will usually have to rely mainly on(依靠) the context (上下文) to help you. If you meet an unfamiliar word, do not let it take too much of your attention from the main thread(主線) of the story. In all probability(可能) you will meet the same word again a few pages later on in a slightly different context, and each time you see it that your understanding of it will become more exact.
小題1:To read for pleasure means _____________.
A．to take pleasure in reading
B．to be satisfied in reading book
C．to read such books as novels, plays, travel books, etc
D．to go on with reading pleasantly
小題2:The phrase “to get on with reading” in the passage has the same meaning as “_________”.
A．to try to grasp the meaning of every sentence in the book
B．to try to catch the meaning of every word in the book
C．to try to understand all the writer is going to tell you
D．to try to understand the main idea of the book
小題3:、When you meet new words in reading such kinds of books, you’d better _________.
A．stop and look them up in a dictionaryB．stop and think them over
C．try to guess their meanings from the context D．have none of them
小題4:According to the passage the best way to read novels, plays and travel books is _____.
A．to read very slowlyB．to read quickly and not too carefully
C．to read very carefullyD．to read very seriously
小題5:The best title for this passage is “___________”.
A．Read for PleasureB．Get on with the Books
C．Reading SkillsD．The Importance of Reading

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：閱讀理解

Green-space facilities are contributing to an important extent to the quality of the urban environment. Fortunately it is no longer necessary that every lecture or every book about this subject has to start with the proof of this idea. At present it is generally accepted, although more as a self-evident statement than on the base of a closely-reasoned scientific proof. The recognition of the importance of green-spaces in the urban environment is a first step on the right way; this does not mean, however, that enough details are known about the functions of greenspaces in towns and about the way in which the inhabitants (居民) are using these spaces.
The theoretical separation of living, working, traffic and recreation which for many years has been used in town-and-country planning, has in my opinion resulted in disproportionate (不成比例的) attention for forms of recreation far from home, whereas (但是）there was relatively little attention for improvement of recreative possibilities in the direct neighborhood of the home. We have come to the conclusion that this is not right, because an important part of the time which we do not pass in sleeping or working, is used for activities at and around home. So it is obivous that recreation in the open air has to begin at the street door of the house. The urban environment has to offer as many recreation activities as possible, and the design of these has to be such that more obligatory (強(qiáng)制性的) activities can also have a recreative aspect.
The very best standard of living is nothing if it is not possible to take a pleasant walk in the district, if the children cannot be allowed to play in the streets, because the risks of traffic are too great, if during shopping you can nowhere find a spot of enjoying for a moment the nice weather, in short, if you only feel yourself at home after the street door of your house is closed after you.
小題1: According to the author, the importance of greenspaces in the urban environment _______.
A．is still unknownB．is being closely studied
C．is usually neglectedD．has been fully recognized
小題2:The theoretical separation of living, working, traffic and recreation has led to _______.
A．the disproportion of recreation facilities in the neighborhood
B．a(chǎn)ll of the recreation facilities far from home
C．relatively little attention for recreative possibilities
D．the improvement of recreative possibilities in the neighborhood
小題3:The author suggests that the recreative possibilities of greenspaces should be provided _______.
A．in special areasB．in the suburbs
C．in the neighbourhood of the houseD．in gardens and parks
小題4: The author says “more obligatory activities can also have a recreative aspect” to _______.
A．suggest that obligatory activities don’t need to serious
B．show that recreation activities are very important
C．show how recreation activities have spread wildly
D．suggest how to offer recreation activities around home
小題5:Why would someone only feel himself at home according to the last paragraph?
A．One lives the very best standard of living.
B．There are too many distractions outside his home.
C．There are few recreations around his house.
D．One needs the street door of his house to be opened always.

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：閱讀理解

There is a boy called Bill in my gym class who has unbearably yellow teeth that almost make everyone feel unpleasant．Recently another boy told Bill that he should "go Ajax" his teeth．Bill was crushed．If the other boy had been thinking, he would have realized that there is a better way to handle such a situation．He could have dealt with it with tact．He could have showed this hurtful truth in a more careful, sensitive way—that's "tact"．
If a person isn't sensitive to another's feelings, there is no way he or she can be tactful．Yesterday, my 5-year-old brother proudly announced that he had cleaned the screen on our television set．Unfortunately, he used furniture polish, which produced an oily film on the television screen．My mother smiled arid thanked him for his efforts—and then showed how to clean the screen properly．Her sensitivity enables my brother to keep his self-respect．Yet, sensitivity alone does not make tact．
"Tactfulness" also requires "truthfulness"．Doctors, for example must be truthful．If a patient has just been disabled in an accident, a tactful doctor will tell the truth—but express it with sensitivity．The doctor may try to give the patient hope by telling them curing techniques under study or about advanced equipment now available．Doctors must use tact with patients' relatives as well．Instead of bluntly saying, "Your husband is disabled," a doctor might say, "I'm sorry, but your husband has lost feeling in his legs and．．．"
Tact should not be confused with trickery．Trickery occurs when a nurse is about to give a patient an injection（注射） and says, "This won't hurt a bit．" Instead of trickery, the nurse might guarantee the patient that the discomfort of the injection is a small thing compared to the benefits of it．It would also be thoughtful for the nurse to tell the patients about some of these benefits．
Tact is a wonderful skill to have, and tactful people are usually admired and respected．Without tact our society would become an intolerable place to live in．
小題1:The underlined word "crushed" in the first paragraph probably means____．
A．surprisedB．cheatedC．regretfulD．painful
小題2:According to the author, his mother's praise for the brother is ____．
A．sensitive and tactfulB．sensitive but not tactful enough
C．truthful but not tactful enoughD．sensitive but trickish
小題3:Which of the following shows the structure of the passage?
（The numbers stand for the paragraphs）

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：閱讀理解

Our company, Eastern Energy, is here to help and provide you with personal advice on any matters connected with your bill or any other questions about your gas and electricity supply.
Moving Home
Please give as much notice as possible if you are moving home, but at least 48 hours required for us to make the necessary arrangements for your gas and electricity supply. Please telephone our 24-hour line at 0131 6753 219 with details of your move. In most eases we are happy to accept your meter reading on the day you move.
Meter Reading
Eastern Energy uses various types of meter ranging from the traditional dial meters to new technology digital display meters. Always read the meter from left to right, ignoring any red dials. If you require assistance, contact our 24-hour line at 0600 7310 310.
Energy Efficiency Line
If you would like advice on the efficient use of energy, please call our Energy Efficiency Line at 0995 7625 513. Please do not use this number for any other enquiries （詢問(wèn)）.
Special Services
Passwords -- you can choose a password so that, whenever we visit you at home, you will know it is us. If you want more information, please ring our helpline at 0995 7290 290.
Help and Advice
If you need help or advice with any issues, please contact us at 0131 6440 188.
Complaints （投訴）
We hope you will never have a problem or cause to complain, but, if you do, please contact our complaints handling team at PO Box 220, Stanfield, ST55 6GF or telephone us at 0131 6753 270.
Supply Failure
If you experience any problems with your electricity supply, please call free at 0600 7838 836, 24 hours a day, 7 days a week.
小題1: Who is this passage most probably written to?
A．People applying for energy supply.
B．People moving home.
C．Persons in need of help.
D．Energy users of Eastern Energy.
小題2: If you have any complaints, what should you do?
A．Make a call or send a mail.B．Contact Help and Advice.
C．Go to the company directly.D．Ask for special services.
小題3: According to the passage, which of the following is true?
A．You are not expected to read your own gas or electricity meters.
B．It is now cheaper to use gas than electricity as a form of heating.
C．You are not charged for the call when you report supply failure.
D．You should inform Eastern Energy of a change of address on arrival at your new home.

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：閱讀理解

Watercolor（水彩畫） is the oldest paints known. It dates back to the early cave men. They discovered that they could mix the natural colors found in the earth with water. In this way they could add lifelike qualities to drawings of animals and other figures on the wall of caves.
Fresco（壁畫）, one of the greatest art forms, is done with watercolor, it is created by mixing paints and water and applying these to wet plaster（灰泥）. Of the thousands of people who stand under Michelangelos’ works in the Sistine Chapel, very few know they are looking at perhaps the greatest watercolor painting in the world.
The invention of oil painting by the Glemish masters in the fifteenth century made fresco painting go downhill, and for the next several centuries watercolor was used mainly for doing sketches（素描） or as tool for study. It was not until the eighteenth and nineteenth centuries that English painters put back watercolor as a serious art form. The English have widely-known love for the outdoors and also for small, private pictures. The softness of watercolor had a strong attraction for them.
The popularity of watercolor continued to grow until the twentieth century. The United States took the place of England and became the center of watercolor. It produced such well-known watercolor artists as Thomas Eakins and Andrew Wyeth.
小題1: The first watercolor users were___________
A．the early cave men
B．Italian fresco artists
C．Flemish masters
D．the English artists in the 18th century
小題2: In the 16th and 17th centuries the artists thought__________.
A．watercolor was more costly, but better
B．oil painting lasted less long, but clearer and brighter
C．watercolor was not suitable for serious works
D．oil painting was difficult to use
小題3: According to the passage, watercolor painting was put back in England because ______
A．it was easy to use outdoors
B．it was a strong tool
C．it was extremely bright in color
D．it was well suited to popular tastes
小題4: What is the passage mainly about?________
A．the gradual weakness of fresco painting.
B．Oils having more power of influence over watercolor.
C．The rediscovery of watercolor in England.
D．The start and development of watercolor.

查看答案和解析>>

同步練習(xí)冊(cè)答案