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
2023-06-22
20
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] 【C6】
选项
答案
F
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2773733.html
相关试题推荐
[originaltext](1)Whenadoglosesaleg,theanimaleventuallyfiguresout
[originaltext](23)Overtimeanimalshavedevelopedmanywaystostayawayf
[originaltext](23)Overtimeanimalshavedevelopedmanywaystostayawayf
[originaltext](1)MillionsofpeopleacrosstheeasternUnitedStatesarecleari
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
随机试题
[originaltext]W:Hello,Dr.Christianson.M:Hello,Cathy,whatcanIdoforyo
(1)DespiteDenmark’smanifestvirtues,Danesnevertalkabouthowproudthey
只成熟B细胞的表面标志是A:CD5B:CD40C:CD28D:SmIgE
患儿男,5岁。低热伴头痛1.5个月入院。查体:精神差,右眼外展受限,颈抵抗阳性,
五官中的“舌”属火,主要采用的是何种归类方法A.比较 B.演绎 C.类比
下列关于增值税计税销售额的说法,正确的是()。A.直销企业直销货物的计税销售额
(2020年真题)根据麦克里兰的三重需要理论,促使别人顺从自己意志的欲望属于(
力求节省钢材且截面最小的大型结构应采用()。A.钢结构 B.型钢混凝土组
乙琥胺常见副作用是A、中枢神经系统症状 B、呼吸急促 C、血液系统 D、心
关于建设工程项目进度计划系统的表述,正确的有()。A.建设工程项目进度计划系统
最新回复
(
0
)