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
2016-09-28
56
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://jikaoti.com/ti/8sfYFFFM
0
成人本科学位英语
相关试题推荐
(Ageneralhospital)isone(which)patients(with)allkindsofdiseases(aretreated).
Sheissucha______person,alwaysaskinghowI’mfeeling.
TheUnitedStates(56)alargepartoftheNorthAmericancontinent.ItsneighborsareCanada(57)thenorth,(58)Mexicotothe
Notlongago,Ihadmyfirston-linechat.Ithoughtitwouldbe(56)becauseIhaveheardsomanypeople(57)itinthatway.B
Onesummerdaymyfathersentmetobuywireforourfarm.At16,Iliked【76】betterthandrivingourtruck,【77】thistimeIwasn
Onesummerdaymyfathersentmetobuywireforourfarm.At16,Iliked【76】betterthandrivingourtruck,【77】thistimeIwasn
AUnlikeJim,IgoBtoworkCbyfootinsteadofDbycareverymorning.
WhentheTVviewerturnsonhisset,whatsortofprogramsdoeshehavetochoosefrom?Youmightthinktherewouldbemoreprog
-Hello,thisisTinaspeaking.IsthatSam?-Sorry,heisn’thereatthismoment.______?
Whenitcomestoeatingsmartforyourheart,thinkingaboutshort-termfixesandsimplifylifewithastraightforwardapproac
随机试题
下列关于人体内多数血管的神经支配的叙述,哪一项是正确的?
下列有关铁剂的说法正确的是
A.附子B.干姜C.肉桂D.吴茱萸E.小茴香既治亡阳证,又治阳虚外感风寒的药物是
基础倾覆稳定性与合力的偏心距关系是()。
雨期填筑路堤时,应分层填筑,当天填筑的土层应当天完成压实,对每一层的表面应()。
“备案号”栏应填:“运输方式”栏应填:
目前,银行代理的保险险种中,占据主流的是()。(2010年下半年)
假如你走上共青团的领导工作岗位,如何带领团员青年服务于建设面向西南开放的桥头堡。推进全省的经济社会发展?
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:
关于黄淮海平原的叙述,正确的是:
最新回复
(
0
)