首页
登录
职称英语
Researchers have identified 1.4 million animal species so far—and millions re
Researchers have identified 1.4 million animal species so far—and millions re
游客
2024-01-24
26
管理
问题
Researchers have identified 1.4 million animal species so far—and millions remain to be discovered, named, and scientifically described. So how much would it actually cost to【C1】______every animal on Earth? A pair of Brazilian scientists has crunched (大量运算) the numbers and【C2】______up with an answer: $263 billion.
That’s way more than the $5 billion that famed Harvard University biologist Edward O. Wilson estimated back in 2000—and that was for every species on Earth, not just animals. But even $263 billion would be a【C3】______price to pay to understand the creatures that【C4】______such essentials as agriculture, fisheries, new drugs, and energy sources, says ornithologist (鸟类专家) Joel Cracraft of the American Museum of Natural History in New York City. "Literally, the world economy runs on biodiversity," he says. "People don’t understand really, deeply how much we depend on biodiversity."
Most biologists agree that with extinction rates【C5】______and climate change looming, the【C6】______to document the planet’s biodiversity—or biota (生物区)—is urgent,【C7】______considering the essential role these life forms play in crop pollination, clean air, and other aspects of human【C8】______"We are losing species by extinction faster than
we are describing new species" according to some estimates, says biologist Antonio Marques, who【C9】______the new paper with Fernando Carbayo, both at the University of St. Paulo in Brazil. "We have to know the biota to preserve and conserve the biota," he says. Besides the money, another huge【C10】______to a complete understanding of the animal kingdom is a global shortage of taxonomists (分类专家), experts say.
A) attempt F) effort K) obstacle
B) cheaper G) enable L) small
C) classify H) especially M) soaring
D) coauthored I) exactly N) well-being
E) come J) identify O) yet [br] 【C1】
选项
答案
J
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3390008.html
相关试题推荐
去年三星在中国销售了3000万台设备,市场占有率达到17.7%。Thecompanysold30milliondevicesinChinafor
[originaltext](1)Whenadoglosesaleg,theanimaleventuallyfiguresout
[originaltext](1)MillionsofpeopleacrosstheeasternUnitedStatesarecleari
[originaltext](1)Therewere6millioncyber-attacksrecordedlastyearinK
[originaltext](1)Therewere6millioncyber-attacksrecordedlastyearinK
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
[originaltext](23)Overtimeanimalshavedevelopedmanywaystostayawayf
随机试题
BreakoutoftheeverydayroutineandcomealiveagainwithatriptoFlorida
Someofthemusicalpiecesfor______IsadoraDuncanchoreographeddanceswerewal
IntheUnitedStatesandCanada,aprom,shortforpromenade,isaformalda
机关文书部门或业务部门在年终或第二年上半年对归卷的文件材料进行整理等工作,称为(
A. B. C. D.
A.容量分析法 B.生物检定法 C.酶分析法 D.HPLC和微生物法 E
孕35习早产儿,生后第2天出现皮肤巩膜黄染,精神弱,食欲不好,尿色深黄,血清胆红
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性: A.如
中国期货业协会应当建立期货从业人员信息数据库,公示并且及时更新()。A.从
最新回复
(
0
)