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
11
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] 【C1】
选项
答案
J
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/3390008.html
相关试题推荐
去年三星在中国销售了3000万台设备,市场占有率达到17.7%。Thecompanysold30milliondevicesinChinafor
[originaltext](1)Whenadoglosesaleg,theanimaleventuallyfiguresout
[originaltext](1)MillionsofpeopleacrosstheeasternUnitedStatesarecleari
[originaltext](1)Therewere6millioncyber-attacksrecordedlastyearinK
[originaltext](1)Therewere6millioncyber-attacksrecordedlastyearinK
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
[originaltext](23)Overtimeanimalshavedevelopedmanywaystostayawayf
随机试题
患儿男,1岁。出生后即发现面、唇、甲床发绀,哭闹时加重。查体:心前区闻及3级收缩
被评估资产已使用2年,预计尚可使用4年,参照资产已经使用3年,预计尚可使用3年,
评价肺通气功能较好的指标是A.肺活量 B.时间肺活量 C.每分通气量
阅读《列夫·托尔斯泰》的教学实录(片段),按要求答题。 师:学完了茨威格的《列
将椭圆绕χ轴旋转一周所生成的旋转曲面的方程是:
中国证监会及其派出机构依法对期货从业人员实行自律管理,负责从业资格的认定、管理及
一住店客人未付房钱即想离开旅馆去车站。旅馆服务员揪住他不让走,并打报警电话。客人
政府财政投资的决策标准不包括()。A.成本—效益最大化标准 B.资产—产出比
患者,女,32岁,接受精神分析治疗,舒适的躺在沙发上,把进入头脑中的一切都讲出来
男性,30岁,发烧,腰痛,皮下出血,少尿伴烦躁不安,眼睑浮肿,脉洪大,高血压,蛋
最新回复
(
0
)