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 the useful energy at the surface of the earth comes from the activity of the sun. The sun heats and feeds creatures and mank
All the useful energy at the surface of the earth comes from the activity of the sun. The sun heats and feeds creatures and mank
admin
2016-04-30
29
问题
All the useful energy at the surface of the earth comes from the activity of the sun. The sun heats and feeds creatures and mankind. Each year it provides men with two hundred million tons of grain and nearly ten million tons of wood, coal, oil, natural gas, and all other fuels are stored energy from the sun. Some was collected by this season’s plants as carbon compounds. Some was stored by plants and trees ages ago. Even waterpower derives from the sun. Water turned into vapor by the sun fails as rain. It courses down the mountains and is converted to electric power. Light transmits only the energy that comes from the sun’s outer layer, and much of this energy that is directed towards the earth never arrives. About nine tenths of it is absorbed by the atmosphere of the earth. In fact, the earth itself gets only one half millionth of the sun’s entire output of radiant energy.
The largest part of the light energy directed towards the earth is( ).
选项
A、stored up by the plants
B、absorbed by the earth’s atmosphere
C、stored up by the animals in the form of body fat
D、used for electric power
答案
B
解析
事实细节题。文中倒数第二句提到约有十分之九的太阳光被地球的大气层吸收了,真正到达的很少。
转载请注明原文地址:https://kaotiyun.com/show/NARO777K
0
成人本科学位英语
相关试题推荐
IfyousparehalfanhoureachdaytoreadanEnglishnewspaper,youwillsurelybeabletoread______.
ShebecameA(angrier)astheyearswentB(on)becauseshesawC(that)theyweredoingtoD(other)youngsters.
Scientistsfindthathard-workingpeoplelivelongerthanaveragemenandwomen.Careerwomenarehealthierthanhousewives.Evi
Withoutproperplanning,tourismcancauseproblems.Forexample,toomanytouristscancrowdpublicplacesthatarealsoenjoye
Whenitcomestoeatingsmartforyourheart,thinkingaboutshort-termfixesandsimplifylifewithastraightforwardapproac
(Thoseofus)whoworkinchemical(laboratories),shouldhave(their)lungs(checked)quiteregularly.
Imagineyou’reatapartyfullofstrangers.You’renervous.Whoarethesepeople?Howdoyoustartaconversation?Fortunately,
Ihadjuststeppedoutofthebathroomandwasbusilydryingmyselfwithatowel______Iheardthesteps.
—Howdoyoudealwiththedisagreementbetweenthecompanyandthecustomers?—Thekey______theproblemistomeetthedemand__
______wasunimportant.
随机试题
表示集中仪表盘面安装的温度记录控制仪。 ()
含有有机物的废水一般采用生化处理方法。
设,求f’(x).
脊髓压迫症韵手术治疗需抓紧时机,一般争取在发病6h内减压。
女,55岁,因心力衰竭遵医嘱给予25%葡萄糖溶液20ml+毛花苷丙0.4mg,静脉注射,注射中发现局部肿胀、疼痛,且抽有回血。其原因是
甲国公司在乙国投资建成地热公司,并向多边投资担保机构投了保。1993年,乙国因外汇大量外流采取了一系列的措施,使地热公司虽取得了收入汇出批准书,但仍无法进行货币汇兑并汇出,甲公司认为已发生了禁兑风险,并向投资担保机构要求赔偿。根据相关规则,下列选项正确的是
关于计算机软件著作权的说法,正确的有()。
事业单位备案的事项包括()。
程序段:ForS=5ToS=10Step1S=2*SNextS该循环执行的次数为
Thenorthernandsouthernpolarregionsaredifferentinmanyways.Themostimportantdifferenceconcernsthedistributionofl
最新回复
(
0
)