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
外语
All thermal radiation from a planetary surface absorbed by atmospheric greenhouse gases is re-radiated directly back toward the
All thermal radiation from a planetary surface absorbed by atmospheric greenhouse gases is re-radiated directly back toward the
admin
2018-07-10
35
问题
All thermal radiation from a planetary surface absorbed by atmospheric greenhouse gases is re-radiated directly back toward the planet.
The greenhouse effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated in all directions. Since part of this re-radiation is back towards the surface and the lower atmosphere, it results in an elevation of the average surface temperature above what it would be in the absence of the gases.
Solar radiation at the frequencies of visible light largely passes through the atmosphere to warm the planetary surface, which then emits this energy at the lower frequencies of infrared thermal radiation. Infrared radiation is absorbed by greenhouse gases, which in turn re-radiate much of the energy to the surface and lower atmosphere. The mechanism is named after the effect of solar radiation passing through glass and warming a greenhouse, but the way it retains heat is fundamentally different as a greenhouse works by reducing airflow, isolating the warm air inside the structure so that heat is not lost by convection.
If an ideal thermally conductive blackbody were the same distance from the Sun as the Earth is, it would have a temperature of about 5. 3 degrees Celsius. However, since the Earth reflects about 30% of the incoming sunlight, this idealized planet’s effective temperature (the temperature of a blackbody that would emit the same amount of radiation)would be about — 18 degrees Celsius. The surface temperature of this hypothetical planet is 33 degrees Celsius below Earth’s actual surface temperature of approximately 14 degrees Celsius. The mechanism that produces this difference between the actual surface temperature and the effective temperature is due to the atmosphere and is known as the greenhouse effect.
Earth’s natural greenhouse effect makes life as we know it possible. However, human activities, primarily the burning of fossil fuels and clearing of forests, have intensified the natural greenhouse effect, causing global warming.
1. All thermal radiation from a planetary surface absorbed by atmospheric greenhouse gases is reradiated directly back toward the planet.
2. Re-radiation results in an elevation of the average surface temperature above what it would be without the gases.
3. Scarcely can solar radiation at the frequencies of visible light passes through the atmosphere.
4. Greenhouse gases can re-radiate much of the energy of infrared radiation to the surface and lower atmosphere.
5. The mechanism and the way it retains heat is of the same with that of the greenhouse.
6. If an ideal thermally conductive blackbody were the same distance from the Sun as the Earth is, it would have a temperature of about 15. 3 degrees Celsius.
7. About 30% of the incoming sunlight can be reflected by the Earth.
8. The greenhouse effect and some other factors produce the difference between the actual surface temperature and the effective temperature.
9. Earth’s natural greenhouse effect makes life impossible.
10. The burning of fossil fuels and clearing of forests have intensified the natural greenhouse effect.
选项
A、正确
B、错误
答案
A
解析
根据原文“However,since the Earth reflects about 30%of the incoming sunlight”可以判断本陈述正确。
转载请注明原文地址:https://kaotiyun.com/show/bxrO777K
本试题收录于:
CATTI三级口译综合能力题库翻译专业资格(CATTI)分类
0
CATTI三级口译综合能力
翻译专业资格(CATTI)
相关试题推荐
______nofrictionbetweenthesurfaceoftheroadandourfeet,wecouldnotwalkatall.
Youmaybeabletocheatsomepeopleforatime,butyouwon’tsucceedonfoolingthemforever.
Thecentralproblemofeconomicsistosatisfythepeople’sandnation’swants.Theproblemwearefacedwithisthatour【C1】___
Thecentralproblemofeconomicsistosatisfythepeople’sandnation’swants.Theproblemwearefacedwithisthatour【C1】___
Thecentralproblemofeconomicsistosatisfythepeople’sandnation’swants.Theproblemwearefacedwithisthatour【C1】___
Absorbedinherwork,shewastotally______hersurroundings.
ExpertscanhelpbysteeringpeopletowardstheskillstheywantedandworkwithMOOCsandcollegestodesigncoursesthatarer
Thereportmanagedtogetan______interviewwiththePrimeMinister.
随机试题
串联电路中有R1=2Ω,R2=4Ω,R3=1Ω三个电阻,当电源电压为14V时,电路中的电流为()。
计算二重积分,其中D={(x,y)|x2+y2≤2x,y≥0}.
Studentswithfinancialproblemsaretroubledbyhightuition______.
以下不属于四氯化碳中毒症状的是
男性,40岁,发热流涕三天,继以恶心呕吐,少尿,乏力,血压21.3/13.3kPa(160/100mmHg),血红蛋白70g/L血肌酐707.2/μmol/L(8mg/D1),尿素氮57mmol/L(100mg/d1)、血浆总蛋白48g/L,B超双肾长轴约
药用部位是花蕾的药物是
除埋地管道外,()制作与安装是管道安装中的第一道工序。
初中一年级的孙同学怀疑李同学偷走了自己的课外书,放学后,二话不说就将其暴打一顿,还当众辱骂其是“三只手”,致使李同学第二天不敢到学校上课。学校社会工作者得知此事后,首先应做的是()
下列有关新文化运动的表述错误的是()。
Mr.Whitewasangrybecausehedidn’tliketheporter.TheporterthoughtthatMr.Whitewasfoolish.
最新回复
(
0
)