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
61
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] 【C3】
选项
答案
L
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3390010.html
相关试题推荐
[originaltext](1)Whenadoglosesaleg,theanimaleventuallyfiguresout
[originaltext](1)Whenadoglosesaleg,theanimaleventuallyfiguresout
[originaltext](23)Overtimeanimalshavedevelopedmanywaystostayawayf
[originaltext](1)Therewere6millioncyber-attacksrecordedlastyearinK
[originaltext](1)MillionsofpeopleacrosstheeasternUnitedStatesarecleari
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
随机试题
Whatwillthesonhavetodofirst?[br][originaltext]M:TomorrowisSunday.W
Inthefigurebelow,AC=BC.Findthevaluesofxandy.[img]2014m9x/ct_egreqj
Ifyoujuststayinthiscityforfewdays,wecangiveyoua______librarycard
Hetalkedsomuchduringthematchthatheputmeoffmygame.A、看球赛中他说得大多,使我没有看清
下列选项中,()是操作系统的任务。A.把源程序转换成目标代码 B.负责存取
在和声小调中,导音上方小六度是()。A.属音 B.升高半音的属音 C.下
A.敏感度 B.特异度 C.准确度 D.预检值 E.似然比比率高可减少误
汽车上一般都设有“安全带指示灯”提醒驾驶员系好安全带。当安全带系好时,控制开关断
某商品是吉芬商品,则在其他因素不变的情况下,()。A.该商品的消费量随着价格的提
以观念、行为、外貌装饰奇特,情绪冷漠、人际关系明显缺陷为特点的是()人格障碍
最新回复
(
0
)