新人教版必修2《Unit4 Wildlife Protection》2017年單元測(cè)試卷（河北省邢臺(tái)二中）

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• 1．California Condor's Shocking RecoveryCalifornia condors（鷹） are North America's largest birds，with wind-length of up to 3 meters．In the 1980s，electrical lines and lead poisoning（鉛中毒） nearly drove them to dying out．Now，electric shock training and medical treatment are helping to rescue these big birds．
  In the late 1980s，the last few condors were taken from the wild to be bred（繁殖）．Since 1992，there have been multiple reintroductions to the wild，and there are now more than 150 flying over California and nearby Arizona，Utah and Baja in Mexico．
  Electrical lines have been killing them off．"As they go in to rest for the night，they just don't see the power lines，"says Bruce Rideout of San Diego Zoo．Their wings can bridge the gap between lines，resulting in electrocution（電死） if they touch two lines at once．
  So scientists have come up with a shocking idea．Tall poles，placed in large training areas，teach the birds to stay clear of electrical lines by giving them a painful but undeadly electric shock．Before the training was introduced，66% of set-freed condors died of electrocution．This has now dropped to 18%．
  Lead poisonous has proved more difficult to deal with．When condors eat dead bodies of other animals containing lead，they absorb large quantities of lead．This affects their nervous systems and ability to produce baby birds，and can lead to kidney（腎） failures and death．So condors with high levels of lead are sent to Los Angeles Zoo，where they are treated with calcium EDTA，a chemical that removes lead from the blood over several days．This work is starting to pay off．The annual death rate for adult condors has dropped from 38% in 2000 to 5.4% in 2011．
  Rideout's team thinks that the California condors' average survival time in the wild is now just under eight years．"Although these measures are not effective forever，they are vital for now，"he says．"They are truly good birds that are worth every effort we put into recovering them．"
  
  （1）California condors attract researchers' interest because they

  ．
  A．a(chǎn)re active at night
  B．had to be bred in the wild
  C．a(chǎn)re found on in California
  D．a(chǎn)lmost died out in the 1980s
  （2）Researchers have found electrical lines are

  ．
  A．blocking condors' journey home
  B．big killers of California condors
  C．rest places for condors at night
  D．used to keep condors away
  （3）According to Paragraph 5，lead poisoning

  ．
  A．makes condors too nervous to fly
  B．has little effect on condors' kidneys
  C．can hardly be gotten rid of from condors' blood
  D．makes it difficult for condors to produce baby birds
  （4）The passage shows that

  ．
  A．the average survival time of condors is satisfactory
  B．Rideout's research interest lies in electric engineering
  C．the efforts to protect condors have brought good results
  D．researchers have found the final answers to the problem．
  組卷：30引用：1難度：0.9

  解析

• 2．Their cheery（歡樂(lè)的） song brightens many a winter's day．But robins（知更鳥(niǎo)） are in danger of wearing themselves out by singing too much．Robins are singing all night一as well as during the day，British-based researchers say．
  David Dominoni，of Glasgow University，said that light from street lamps take away signs and homes is affecting the birds' biological clocks，leading to them being wide awake when they should be asleep．
  Dr Dominoni，who is putting cameras inside nesting boxes to track sleeping patterns，said lack of sleep could put the birds' health at risk．His study shows that when robins are exposed to light at night in the lab，it leads to some genes being active at the wrong time of the day．And the more birds are exposed to light，the more active they are at night．
  He told people at a conference，"There have been a couple of studies suggesting they are increasing their song output at night and during the day they are still singing．Singing is a costly behaviour and it takes energy．So by increasing their song output，there might be some costs of energy．"
  And it is not just robins that are being kept awake by artificial（人工的）light．Blackbirds and seagulls（海鷗） are also being more nocturnal．Dr Dominoni said，"In Glasgow where I live，gulls are a serious problem．I have people coming to me saying'You are the bird expert．Can you help us kill these gulls？'．During the breeding（繁殖）season，between April and June，they are very active at night and very noisy and people can't sleep．"
  
  （1）According to Dr Dominoni's study，what cause robins to sing so much？

  
  A．The breeding season．
  B．The light in modern life
  C．The dangerous environment．
  D．The noise from heavy machinery．
  （2）What is the researchers' concern over the increase of birds' song output？

  
  A．The environment might be polluted．
  B．The birds' health might be damaged．
  C．The industry cost might be increased．
  D．The people's hearing might be affected．
  （3）What does the underlined word"nocturnal"in Paragraph 5 mean？

  
  A．Active at night．
  B．Inactive at night．
  C．Active during the day．
  D．Inactive during the day．
  組卷：13引用：1難度：0.7

  解析

語(yǔ)法填空

• 7．Dinosaurs died out because of an unexpected incident．But wildlife today disappears or is in danger just because humans do harm to it．For example，tigers （41）

  （hunt） for fur to make carpets so that they can only live in secure reserves；grassland is destroyed without mercy so that dust storms come into being，（42）

  （affect） distant cities．Last year，scientists saw some monkeys （43）

  （rub） themselves with a（44）

  （certainly） kind of insects to protect themselves from fierce mosquitoes biting．According to the result of the （45）

  （inspect），they found that the insect contains a（46）

  （power） drug，so local farmers were employed to catch the insects．The ending was （47）

  the insects disappeared from the whole zone．When told that it was （48）

  loss to humans，the farmers burst into （49）

  （laugh） and responded，"Our real loss is our decreasing income．"We should appreciate the natural balance and pay more attention to the （50）

  （important） of wildlife protection．Not until we succeed in letting wildlife live in peace，can we smile in relief and live a peaceful life．
  組卷：54引用：1難度：0.3

  解析

短文改錯(cuò)

• 8．When I was a child，I hoped to live in the city．I think I would be happy there．
  Now I am living in a city，but I miss my home in countryside．There the air is clean or the mountains are green．Unfortunately，on the development of industrialization，the environment has been polluted．Lots of studies have been shown that global warming has already become a very seriously problem．The airs we breathe in is getting dirtier and dirtier．Much rare animals are dying out．We must found ways to protect your environment．If we fail to do so，we'll live to regret it．
  組卷：204引用：8難度：0.1

  解析