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
2024-01-27
31
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/3399601.html
相关试题推荐
[originaltext]OnehundredandthirteenmillionAmericanshaveatleastone
[originaltext]OnehundredandthirteenmillionAmericanshaveatleastone
[originaltext]Millionsofwordshavebeenwrittenaboutyoungpeopleinthe
[originaltext]Someoftheplanet’smostpreciousanimalsandplantsaredis
[originaltext]Someoftheplanet’smostpreciousanimalsandplantsaredis
[originaltext]Someoftheplanet’smostpreciousanimalsandplantsaredis
[originaltext]OnehundredandthirteenmillionAmericanshaveatleastone
[originaltext]OnehundredandthirteenmillionAmericanshaveatleastone
[originaltext]OnehundredandthirteenmillionAmericanshaveatleastone
[originaltext]Someoftheplanet’smostpreciousanimalsandplantsaredis
随机试题
端午节为每年农历五月初五。这是一个古老的传统节日,已有2000多年的历史。关于端午节的由来,说法很多。但最广为认可的一种说法是为纪念在这一天投江自尽的爱
Ronaldofirstbecamethestarofasoccerclubattheageof[br][originaltext
在以下选项中,不属于艺术创作心理要素的是()A.审美感知 B.审美想象 C
下列都位应设置排烟防火阀()A.垂直风管与每层水平风管交接处的水平管段上
无机结合料稳定材料结构层按()公路等级规定了7d无侧限抗压强度代表值。A.
假如你即将要走上讲台,你感觉自己对于教师这一职业的优势和的不足分别是什么?
财政收入规模也被称为财政收入的()。A.比例结构 B.数量界限 C.质量效益
共用题干 一般资料:求助者,女性,17岁,高中二年级学生。案例介绍:求助者一年
混凝土运输过程中,因故停歇过久,应按不合格料处理的情况包括()。A.混凝土产生
(2020年真题)根据《建设工程项目管理规范》,项目管理机构负责人的权限有(
最新回复
(
0
)