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
5
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://tihaiku.com/zcyy/3395508.html
相关试题推荐
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
Researchershaveidentified1.4millionanimalspeciessofar—andmillionsre
[originaltext]Intheearly1950s,researchersfoundthatpeoplescoredlower
[originaltext]Grasslandsneedtimetorestwhencattleandotheranimalsfee
[originaltext]Grasslandsneedtimetorestwhencattleandotheranimalsfee
[originaltext]Someoftheplanet’smostpreciousanimalsandplantsaredis
[originaltext]Someoftheplanet’smostpreciousanimalsandplantsaredis
随机试题
论想象力的培养我的讲话是主张培养想象力。那么,我是从什么意义上使用“想象力”这个词的呢?
A.连续 B.有可去间断点 C.有跳跃间断点 D.有无穷间断点
8086/8088的状态标志有()个。A.3 B.4 C.5 D.6
某信息系统集成项目包括7个作业(A~G),各作业所需的时间、人数以及各作业之间的
修内司官窑在工艺上的明显特征有( )。A.薄胎厚釉 B.紫口铁足 C.厚胎
A.免疫防御B.免疫自稳C.免疫监视功能失调D.免疫自稳功能失调E.免疫防御反应
下列()可不设置消防给水系统。A.耐火等级为三级,且停车数为5辆的汽车库
从2004年2月发布一号文件开始,中央连续出台了10个指导“三农”工作的中央一号
"控制饮食"是非药物治疗高脂血症的主要方面,要求包括A.戒烟 B.控制摄盐
质量为5kg的物体受力拉动,沿与水平面30°夹角的光滑斜平面向上移动6m,其拉动
最新回复
(
0
)