首页
登录
职称英语
All the useful energy at the surface of the earth comes from the activity of
All the useful energy at the surface of the earth comes from the activity of
游客
2024-01-16
9
管理
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. [br] 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://www.tihaiku.com/zcyy/3367231.html
相关试题推荐
Treesareusefultomaninthreeimportantways:theyprovidehimwithwood
Treesareusefultomaninthreeimportantways:theyprovidehimwithwood
Treesareusefultomaninthreeimportantways:theyprovidehimwithwood
Treesareusefultomaninthreeimportantways:theyprovidehimwithwood
Withoutthesun’slight______theearth’ssurface,nolifecouldexistontheear
TheolderIget,themoreIvaluefriends,yetthe______timeandenergyIhave
Treesareusefultomaninthreeimportantways:theyprovidehimwithwood
Vitaminsdonotprovideenergy,nordotheyconstructorbuildanypartoftheb
Howcanwegetridofgarbage?Dowehaveenoughenergysourcestomeetour
Howcanwegetridofgarbage?Dowehaveenoughenergysourcestomeetour
随机试题
Averyimportantworldproblemistheincreasingnumberofpeoplewhoactual
Women’smindsworkdifferentlyfrommen.Atleast,thatiswhat(1)______mo
PleasenotethatIwillbeawayfromBostonnextweek,______youwanttocallm
一、考题回顾
根据市场择时理论的观点,如果一个公司的股价被高估,该企业的管理者应当选择( )
对于汽车大修竣工验收中的整车检查,以下哪种说法不正确()。A.刷漆部分允许有不
下列选项中,印花税税率为0.5‰的经济凭证是()。A、财产保险合同 B、产权
治疗热极生风宜选用A.羚羊角 B.天麻 C.全蝎 D.石决明
采用砂、石材料铺装地面砖的环境温度最低限制是( )A.-10℃ B.0℃
高胡萝卜素血症所致黄染的分布特征是A.巩膜及黏膜黄染,无鼻、额部黄染 B.手掌
最新回复
(
0
)