首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
考研
The battle to prevent or at least slow global warming has intensified in the past year as scientists have learned more about the
The battle to prevent or at least slow global warming has intensified in the past year as scientists have learned more about the
admin
2015-06-24
32
问题
The battle to prevent or at least slow global warming has intensified in the past year as scientists have learned more about the magnitude of the problem. One of the leading climate experts, Inez Y. Fung, director of the Atmospheric Sciences Center at the University of California, Berkeley, recently showed that the earth may soon lose its ability to absorb much of the greenhouse gas thatis raising temperatures. The oceans and continents currently soak up about half the carbon dioxide produced by the burning of fossil fuels. In the oceans, the gas combines with water to form carbonic acid; on land, plants take in more carbon dioxide and grow faster.
But computer modeling done by Fung and her colleagues indicates that these carbon sinks will become less effective as the earth continues to warm. For example, as the tropics become hotter and drier in the summer, plants will reduce their respiration of carbon dioxide to avoid water loss. Atmospheric measurements over the past decade have confirmed this effect. If the oceans and land take in less carbon dioxide, more will remain in the atmosphere and global warming could accelerate catas-trophically.
Despite these warning signs, the government administration has opposed approval of the Kyoto Protocol, the international treaty mandating reductions in greenhouse gas emissions, But nine states in the northeastern U.S. are attempting to sidestep the federal government’s opposition by taking action on their own. Last August the group reached a preliminary agreement to reduce emissions of carbon dioxide by 10 percent by 2020. The plan requires approval by the state legislatures, but environmentalists are already hoping that other regions of the U.S. will follow suit. If adopted nationwide, the proposal would lower greenhouse gas emissions by roughly as much as the Kyoto Protocol would have.
Steve Howard, chief executive of the Climate Group, is tackling the global-warming problem from a different angle. Founded in 2004, the Climate Group is a coalition of corporations and local governments that have voluntarily committed to reducing their greenhouse gas emissions. Members include oil giant BP(British Petroleum Co. PLC), drug-maker Johnson & Johnson, and Starbucks. Businesses in the Climate Group have discovered that improvements in energy efficiency can enhance profits as well ascut fossil-fuel emissions; BP, for instance, slashed its energy bills by $650 million over 10 years. "We have seen important evidence about successful emission reduction scattered here and there in the most surprising places all over the globe," Howard says. "We are working to bring all of it together so that it forms a body of evidence."
What does "carbon sinks" (Line 1, Paragraph 2) mean?
选项
A、The process of producing greenhouse gas.
B、The gradual process of land submersion.
C、The absorbers of carbon dioxide.
D、The process of forming carbonic compounds.
答案
C
解析
词义理解题。题目问的是carbon sink的含义。第一段说的是陆地和海洋在吸收二氧化碳方面的作用,第二段通过But引起转折,指出这两种吸收体的效率将降低,因此carbon sink的意思为“二氧化碳的吸收体”,答案为C项。A项“产生温室气体的过程”,显然错误;B项“陆地淹没”文中更是没有提及,排除;D项“形成碳化合物的过程”,与前文说的吸收无关,所以也排除。
转载请注明原文地址:https://kaotiyun.com/show/7f74777K
0
考研英语一
相关试题推荐
ParkarePopularAgainAmongPeople’sLivesJusteastofdowntownIrvine,insouthernCalifornia,apastorallandscapeisun
TheAccountabilityofEducationFailureIhaveanunclewhowasforyearsaChicagopublicschoolteacher.Passionateandar
【F1】Thehypothesisthatmoraljudgmentsareemotionallybasedcanexplainwhytheyvaryacrossculturesandresisttransformatio
ManyforeignerswhohavenotvisitedBritaincallalltheinhabitantsEnglish,fortheyareusedtothinkingoftheBritishIsle
Oneofthemosteminentofpsychologists,ClarkHull,claimedthattheessenceofreasoningliesintheputtingtogetheroftwo
Thereisnothinglikethejoyoffindingoutthatsomethingsinfulisactuallygoodforyou,whetherit’ssex,chocolateoragl
Whatwouldhappenifconsumersdecidedtosimplifytheirlivesandspendlessonmaterialgoodsandservices?This(1)_____ist
Whatwouldhappenifconsumersdecidedtosimplifytheirlivesandspendlessonmaterialgoodsandservices?This(1)_____ist
Thefirstmanwho,havingenclosedapieceofground,remindedhimselfofsaying’Thisismine’,andfoundpeoplesimpleenough
随机试题
A.浅部触诊法B.深压触诊法C.深部触诊法D.勾指触诊法E.冲击触诊法检查腹肌紧张度,应采用的手法是()
男,45岁。不慎高坠致全身复合伤、头面部创伤现场急救采取的止血方法中最可靠的是
患者平素性情急躁,今日与人争吵之后,突然发作昏仆,抽搐,呕吐痰涎,伴有叫吼,心烦失眠,咯痰不爽,口苦而干,便秘,舌红苔黄腻,脉弦滑数。此患者中医辨证治疗以下列何法为主
某城市地下工程,业主与施工单位参照FDIC合同条件签订了施工合同,除税金外的合同总价为8600万元。其中:现场管理费率15%,企业管理费率8%,利润率5%,合同工期730天。为保证施工安全,合同中规定施工单位应安装满足最小排水能力1.5t/min的排水设
静态投资回收期是在不考虑资金时间价值的条件下,以方案的净收益回收其总投资所需要的时间,其中总投资包括的内容为建设投资和( )。
总风险会随着投资组合数量的变化而变化。以下哪项陈述是正确的?Ⅰ.选取40只股票的风险比选12只股票的风险小Ⅱ.选取40只股票的风险比选12只股票的风险大Ⅲ.投资组合数量的增加会使总风险递增式地下降Ⅳ.投资组合数量的增
经海关免税放行的物品,()内如出售、转让或移作他用,必须报经海关并补缴税款。
企业效益提高,对全体员工给予等比例奖励的工资调整方法是()。
教育需要由浅入深,由简单到复杂。由具体到抽象,由低级到高级,这是因为学生的身心发展具有()
AccordingtotheCASS’sfindings,inwhichcitywhite-collarworkers’incomeisthehighest?
最新回复
(
0
)