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
10
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] 【C10】
选项
答案
K
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2779250.html
相关试题推荐
Aremarkablevarietyofinsectsliveinthisplanet.Morespeciesofinsects
Aremarkablevarietyofinsectsliveinthisplanet.Morespeciesofinsects
Foxesandfarmershavenevergotonwell.Thesesmalldog-likeanimalshave
Foxesandfarmershavenevergotonwell.Thesesmalldog-likeanimalshave
Foxesandfarmershavenevergotonwell.Thesesmalldog-likeanimalshave
Inthe1960s,medicalresearchersThomasHolmesandRichardRahedevelopeda
Inthe1960s,medicalresearchersThomasHolmesandRichardRahedevelopeda
Costly—sometimesabusive—creditcardsarebleedingmillionsofborrowerswho
Costly—sometimesabusive—creditcardsarebleedingmillionsofborrowerswho
Costly—sometimesabusive—creditcardsarebleedingmillionsofborrowerswho
随机试题
Dr.GregoryConnollyisdirectoroftheofficefornon-smokingandhealthi
[img]2014m9s/ct_etoefm_etoeflistz_0397_20149[/img][br]Whatdoesthestudentte
2017年,教育部将历史教材中“八年抗战”一律改为“十四年抗战”,全面反映日本侵
q.6h.的含义是A.每日6次 B.每晨6时 C.每小时6次 D.每6日1
智能变电站500千伏变压器保护告警信息低小区差差流越限属于危急缺陷
玄兔∶太阴∶月亮A.垂髫∶黄发∶老人 B.束发∶及笄∶儿童 C.黄口∶耳顺∶
目前我国A股账户不可用于买卖()。 A.B股B.人民币普通股票 C
下列药品中,孕妇禁用的是A.维生素A B.环丙沙星 C.拉贝洛尔 D.葡萄
双端固定桥的一端基牙受到垂直向外力时,固定桥将会产生旋转移动,其旋转中心立于A:
(2021年真题)下列原则中,不属于政府间事权及支出责任划分应遵循的原则是()
最新回复
(
0
)