綜合類相同項(xiàng)單選集考試卷_模擬考試題

1、姓名：_ 班級(jí)：_ 學(xué)號(hào)：_-密-封 -線- 綜合類相同項(xiàng)單選集考試卷_模擬考試題考試時(shí)間：120分鐘 考試總分：100分題號(hào)一二三四五總分分?jǐn)?shù)遵守考場(chǎng)紀(jì)律，維護(hù)知識(shí)尊嚴(yán)，杜絕違紀(jì)行為，確保考試結(jié)果公正。1、dont count on dung“conservationists(自然保護(hù)主義者)may be miscalculating the numbers of thethreatenedanimals such as elephants, “ say african and american researchers. the error occurs because of a flaw

2、in the way they estimate animal numbers from the piles of dung(糞)the creatures leave behind.the mistake could lead researchers to think that there are twice as many elephants as there really are in some regions according to andrew plumptre of the wildlife conservation society(wcs) in new york.biolog

3、ist katy payne of cornell university in ithaca, new york, agrees. “we really need to know elephant numbers and the evidence that we have is quite indirect, “says payne, who electronically tracks elephants counting elephants from planes is impossible in the vast rainforests of central africa. so rese

4、archers often estimate elephant numbers by counting dung piles in a given area. they also need to know the rate at which dung decays because its extremely difficult to determine these rates. however, researchers counting elephants in one region tend to rely on standard decay rates established elsewh

5、ere.“but researchers at the wcs have found that this decay rate varies from region to region depending on the climate and environment. using the wrong values can lead the census astray(離開(kāi)正道),” says plumptre.heand his colleague anthony chifu nchanji studied decaying elephant dung in the forests of ca

6、meroon. they found that the dung decayed between 55 and 65 per cent more slowly than the dung in the rainforests of neighbouring gabon. if researchers use decay rates from gabon to count elephants in cameroon, they would probably find more elephants than are actually around.“this could mean estimate

7、s in cameroon are at least twice as high as those derived from decay rates calculated locally,” says plumptre “however accurate your dung density estimate might be the decay rate can severely affect the result.”plumptre also says that the dung-pile census should be carried out over a region similar

8、in size to an elephants natural range. the usual technique of monitoring only small, protected areas distorts numbers because elephants move in and out of these regions, he says” if the elephant population increases within the protected area, you can not determine whether it is a real increase or wh

9、ether it is due to elephants moving in because they are being poached(入侵偷獵)outside. “plumptre says that similar problems may also affect other animal census studies that rely on indirect evidence such as nests, tracks or burrows(地洞).the word “threatened” in the first sentence of the first paragraph

10、could be best replaced by （ ）a.”endangered”.b.”frightened”.c.”killed”.d.”angered”.2、dont count on dung“conservationists(自然保護(hù)主義者)may be miscalculating the numbers of thethreatenedanimals such as elephants, “ say african and american researchers. the error occurs because of a flaw in the way they esti

11、mate animal numbers from the piles of dung(糞)the creatures leave behind.the mistake could lead researchers to think that there are twice as many elephants as there really are in some regions according to andrew plumptre of the wildlife conservation society(wcs) in new york.biologist katy payne of co

12、rnell university in ithaca, new york, agrees. “we really need to know elephant numbers and the evidence that we have is quite indirect, “says payne, who electronically tracks elephants counting elephants from planes is impossible in the vast rainforests of central africa. so researchers often estima

13、te elephant numbers by counting dung piles in a given area. they also need to know the rate at which dung decays because its extremely difficult to determine these rates. however, researchers counting elephants in one region tend to rely on standard decay rates established elsewhere.“but researchers

14、 at the wcs have found that this decay rate varies from region to region depending on the climate and environment. using the wrong values can lead the census astray(離開(kāi)正道),” says plumptre.heand his colleague anthony chifu nchanji studied decaying elephant dung in the forests of cameroon. they found t

15、hat the dung decayed between 55 and 65 per cent more slowly than the dung in the rainforests of neighbouring gabon. if researchers use decay rates from gabon to count elephants in cameroon, they would probably find more elephants than are actually around.“this could mean estimates in cameroon are at

16、 least twice as high as those derived from decay rates calculated locally,” says plumptre “however accurate your dung density estimate might be the decay rate can severely affect the result.”plumptre also says that the dung-pile census should be carried out over a region similar in size to an elepha

17、nts natural range. the usual technique of monitoring only small, protected areas distorts numbers because elephants move in and out of these regions, he says” if the elephant population increases within the protected area, you can not determine whether it is a real increase or whether it is due to e

18、lephants moving in because they are being poached(入侵偷獵)outside. “plumptre says that similar problems may also affect other animal census studies that rely on indirect evidence such as nests, tracks or burrows(地洞).why do researchers estimate elephant numbers in an area by counting dung piles （ ）a.bec

19、ause elephants are difficult to catch.b.because it is not possible to count elephants from a plane.c.because it is not possible to keep track of elephants.d.because elephants are shy animals.3、dont count on dung“conservationists(自然保護(hù)主義者)may be miscalculating the numbers of thethreatenedanimals such

20、as elephants, “ say african and american researchers. the error occurs because of a flaw in the way they estimate animal numbers from the piles of dung(糞)the creatures leave behind.the mistake could lead researchers to think that there are twice as many elephants as there really are in some regions

21、according to andrew plumptre of the wildlife conservation society(wcs) in new york.biologist katy payne of cornell university in ithaca, new york, agrees. “we really need to know elephant numbers and the evidence that we have is quite indirect, “says payne, who electronically tracks elephants counti

22、ng elephants from planes is impossible in the vast rainforests of central africa. so researchers often estimate elephant numbers by counting dung piles in a given area. they also need to know the rate at which dung decays because its extremely difficult to determine these rates. however, researchers

23、 counting elephants in one region tend to rely on standard decay rates established elsewhere.“but researchers at the wcs have found that this decay rate varies from region to region depending on the climate and environment. using the wrong values can lead the census astray(離開(kāi)正道),” says plumptre.hean

24、d his colleague anthony chifu nchanji studied decaying elephant dung in the forests of cameroon. they found that the dung decayed between 55 and 65 per cent more slowly than the dung in the rainforests of neighbouring gabon. if researchers use decay rates from gabon to count elephants in cameroon, t

25、hey would probably find more elephants than are actually around.“this could mean estimates in cameroon are at least twice as high as those derived from decay rates calculated locally,” says plumptre “however accurate your dung density estimate might be the decay rate can severely affect the result.”

26、plumptre also says that the dung-pile census should be carried out over a region similar in size to an elephants natural range. the usual technique of monitoring only small, protected areas distorts numbers because elephants move in and out of these regions, he says” if the elephant population incre

27、ases within the protected area, you can not determine whether it is a real increase or whether it is due to elephants moving in because they are being poached(入侵偷獵)outside. “plumptre says that similar problems may also affect other animal census studies that rely on indirect evidence such as nests,

28、tracks or burrows(地洞).piles of dung cant be relied upon when it comes to estimating elephant numbers because （ ）a.they are different in size.b.they scatter an over the region.c.they are different in decay rate.d.they are different in quality.4、dont count on dung“conservationists(自然保護(hù)主義者)may be misca

29、lculating the numbers of thethreatenedanimals such as elephants, “ say african and american researchers. the error occurs because of a flaw in the way they estimate animal numbers from the piles of dung(糞)the creatures leave behind.the mistake could lead researchers to think that there are twice as

30、many elephants as there really are in some regions according to andrew plumptre of the wildlife conservation society(wcs) in new york.biologist katy payne of cornell university in ithaca, new york, agrees. “we really need to know elephant numbers and the evidence that we have is quite indirect, “say

31、s payne, who electronically tracks elephants counting elephants from planes is impossible in the vast rainforests of central africa. so researchers often estimate elephant numbers by counting dung piles in a given area. they also need to know the rate at which dung decays because its extremely diffi

32、cult to determine these rates. however, researchers counting elephants in one region tend to rely on standard decay rates established elsewhere.“but researchers at the wcs have found that this decay rate varies from region to region depending on the climate and environment. using the wrong values ca

33、n lead the census astray(離開(kāi)正道),” says plumptre.heand his colleague anthony chifu nchanji studied decaying elephant dung in the forests of cameroon. they found that the dung decayed between 55 and 65 per cent more slowly than the dung in the rainforests of neighbouring gabon. if researchers use decay

34、 rates from gabon to count elephants in cameroon, they would probably find more elephants than are actually around.“this could mean estimates in cameroon are at least twice as high as those derived from decay rates calculated locally,” says plumptre “however accurate your dung density estimate might

35、 be the decay rate can severely affect the result.”plumptre also says that the dung-pile census should be carried out over a region similar in size to an elephants natural range. the usual technique of monitoring only small, protected areas distorts numbers because elephants move in and out of these

36、 regions, he says” if the elephant population increases within the protected area, you can not determine whether it is a real increase or whether it is due to elephants moving in because they are being poached(入侵偷獵)outside. “plumptre says that similar problems may also affect other animal census stu

37、dies that rely on indirect evidence such as nests, tracks or burrows(地洞).39 according to plumptre, the region over which a dung-pile census is carried out should be （ ）a.small enough.b.well protected.c.carefully monitored.d.large enough.5、dont count on dung“conservationists(自然保護(hù)主義者)may be miscalcula

38、ting the numbers of thethreatenedanimals such as elephants, “ say african and american researchers. the error occurs because of a flaw in the way they estimate animal numbers from the piles of dung(糞)the creatures leave behind.the mistake could lead researchers to think that there are twice as many

39、elephants as there really are in some regions according to andrew plumptre of the wildlife conservation society(wcs) in new york.biologist katy payne of cornell university in ithaca, new york, agrees. “we really need to know elephant numbers and the evidence that we have is quite indirect, “says pay

40、ne, who electronically tracks elephants counting elephants from planes is impossible in the vast rainforests of central africa. so researchers often estimate elephant numbers by counting dung piles in a given area. they also need to know the rate at which dung decays because its extremely difficult

41、to determine these rates. however, researchers counting elephants in one region tend to rely on standard decay rates established elsewhere.“but researchers at the wcs have found that this decay rate varies from region to region depending on the climate and environment. using the wrong values can lead the census astray(離開(kāi)正道),” says plumptre.