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
2023-06-24
12
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/2779242.html
相关试题推荐
Aremarkablevarietyofinsectsliveinthisplanet.Morespeciesofinsects
Aremarkablevarietyofinsectsliveinthisplanet.Morespeciesofinsects
Foxesandfarmershavenevergotonwell.Thesesmalldog-likeanimalshave
Foxesandfarmershavenevergotonwell.Thesesmalldog-likeanimalshave
Inthe1960s,medicalresearchersThomasHolmesandRichardRahedevelopeda
Inthe1960s,medicalresearchersThomasHolmesandRichardRahedevelopeda
Inthe1960s,medicalresearchersThomasHolmesandRichardRahedevelopeda
Inthe1960s,medicalresearchersThomasHolmesandRichardRahedevelopeda
Costly—sometimesabusive—creditcardsarebleedingmillionsofborrowerswho
Costly—sometimesabusive—creditcardsarebleedingmillionsofborrowerswho
随机试题
Inthepassage,successfulbusinessmenandpoorparentsboth[br][originaltext
Supposeyouwanttobuyahouse.Itisimportanttolook【B1】______before
[originaltext]M:Whatwasitlikeworkingwiththoseyoungstars?W:Itwasag
著作权是知识产权的重要组成部分,关于著作权的主要特征下列说法正确的有()。
A.复粒细胞B.红细胞C.闪光细胞D.脓细胞E.移行上皮细胞肾小管上皮细胞内出现
医院内属于高度危险性物品的是()。A.衣服 B.口罩 C.体温表 D.枕头
职业责任保险合同的保险人承担的赔偿责任包括经济赔偿责任和( )。A.人员伤亡费
面试热点:战“疫”之下的治理经验 【热点背景】 当前,我国本土疫情传
拔除A.冠折B.根折C.冠根折D.牙部分脱位E.牙完全脱位用于治疗以上疾病的方法
下列检查项目中,关于电缆敷设说法正确的有( )。A.电缆的金属支架必须与保护导
最新回复
(
0
)