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
2024-01-26
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] 【C10】
选项
答案
K
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3395516.html
相关试题推荐
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
TheLibraryofCongressisAmerica’snationallibrary.Ithasmillionsofbo
TheLibraryofCongressisAmerica’snationallibrary.Ithasmillionsofbo
TheLibraryofCongressisAmerica’snationallibrary.Ithasmillionsofbo
TheLibraryofCongressisAmerica’snationallibrary.Ithasmillionsofbo
随机试题
Weekendsandnationalholidays____________(已经占到一年三分之一的时间),butthelawmakersare
[originaltext]W:Goodeveningandwelcometothisweek’sBusinessWorld,aprog
Coal,though______thaneitheroilorgas,isstillafiniteresource.A、muchen
Britainwasawealthycountry.Therewereafewveryrichpeoplewhoreceive
落地式柜、台、箱的基础验收合格,就能安装箱。
材料一?《普通高中地理课程标准(实验)》中的内容标准:“运用地图分析地理环境的
A.慢性菌痢 B.伤寒 C.流脑 D.AIDS E.伤寒带菌者持续发热,
甲乙双方签订了一份测绘合同,根据合同法,下列情况发生时,甲方可以解除合同的是(
法治和礼治发生在两种不同的社会中。这里所谓的礼治也许就是通常所谓的人
关于钢结构工程中防腐涂料与防火涂料涂装的说法,正确的有()。A.施工环境温
最新回复
(
0
)