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
2024-01-27
6
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] 【C2】
选项
答案
E
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/3399597.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]OnehundredandthirteenmillionAmericanshaveatleastone
[originaltext]OnehundredandthirteenmillionAmericanshaveatleastone
[originaltext]Millionsofwordshavebeenwrittenaboutyoungpeopleinthe
[originaltext]Someoftheplanet’smostpreciousanimalsandplantsaredis
[originaltext]Someoftheplanet’smostpreciousanimalsandplantsaredis
[originaltext]Someoftheplanet’smostpreciousanimalsandplantsaredis
[originaltext]OnehundredandthirteenmillionAmericanshaveatleastone
[originaltext]OnehundredandthirteenmillionAmericanshaveatleastone
[originaltext]Eachyear,morethantwomillionweddingstakeplaceintheU
随机试题
Humansareforeverforgettingthattheycan’tcontrolnature.Exactlytwenty
中国近代历时最长、影响最大的报纸之一是( )。A.《申报》 B.《万国公报》
监控量测项目主要分为必测项目和选测项目,其中选测项目是必测项目的扩展和补充。(3
下列材料是某老师的一节思想品德课的课堂实录片段。 课题:追寻高雅生活 教学实
关于公民基本权利,下列说法正确的是:() A、维护国家统一与民族团结是我国公民
下列关于房地产居间与房地产代理的表述中,错误的是()。(2008年真题)A.
Thechangeinthatvillagewasmiraculou
历史书法家多雅人高士,故所能风度潇洒,韵味醇古,于笔墨以外,则有一种静穆之气,幽
土工合成材料的用途有()。A.路堤加筋 B.台背路基填土加筋 C.过滤与排
手术后治疗的伦理要求是( )。A.掌握手术指征,动机纯正 B.对症下药,剂量
最新回复
(
0
)