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
66
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] 【C8】
选项
答案
N
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3399603.html
相关试题推荐
[originaltext]Millionsofwordshavebeenwrittenaboutyoungpeopleinthe
[originaltext]Millionsofwordshavebeenwrittenaboutyoungpeopleinthe
[originaltext]Millionsofwordshavebeenwrittenaboutyoungpeopleinthe
[originaltext]Attheendofeveryyear,U.S.weatherresearcherslookback
[originaltext]OnehundredandthirteenmillionAmericanshaveatleastone
[originaltext]OnehundredandthirteenmillionAmericanshaveatleastone
[originaltext]Millionsofwordshavebeenwrittenaboutyoungpeopleinthe
[originaltext]Millionsofwordshavebeenwrittenaboutyoungpeopleinthe
[originaltext]Scientistshavediscoveredaspeciesofsongbirdthatperforms
Foxesandfarmershavenevergotonwell.Thesesmalldog-likeanimalshave
随机试题
Thegroom’shand______thesoftmaneofthehorse.A、struckB、provokedC、fondled
Onecoldwinterday,apoorboywhowastryingtopayhiswaythroughschoolbys
BarackandMichelleObamaunderstandtheheavyburdenofstudentloandebt.
某设备工程项目,业主委托某设备监理单位进行全过程监理。设计完成后,业主通过招标将
A.苯妥英钠 B.苯巴比妥 C.乙琥胺 D.卡比多巴 E.维生素B癫痫大
基金监管的首要目标是( )。A.保护投资人的合法权益 B.保证市场的公平、效
共用题干 "HappyBirthdaytoYou"Themainpr
根据《城市房地产管理法》,下列关于土地使用制度叙述中正确的是()。A.以划拨
社区能够满足社区居民生活、心理、情感、社交等多元化的需求,因此,社会工作者会重点
关于单利利息和复利利息的表述,正确的有()。A:在投资分析中,一般采用单利计息
最新回复
(
0
)