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
2024-01-17
23
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] Radiant energy is stored as carbon compounds by( ).
选项
A、plants
B、water
C、rock
D、creatures
答案
A
解析
事实细节题。文中第四句提到,太阳能作为碳的化合物储存在植物体内,所以选A。
转载请注明原文地址:https://tihaiku.com/zcyy/3371354.html
相关试题推荐
Vitaminsdonotprovideenergy,nordotheyconstructorbuildanypartoftheb
Thisinstrumentis______thatone.A、almostasusefulthanB、asalmostusefulasC
Theshortageofenergyisgettingworse.It______animmediatesolution.A、calls
Treesareusefultomaninthreeimportantways:theyprovidehimwithwood
Treesareusefultomaninthreeimportantways:theyprovidehimwithwood
John______fromsocialactivitybecausehefeltembarrassedwithpeople.A、held
Asweknow,physics______thescienceofenergy.A、wasB、wereC、isD、areC本题考查的是
Alltheusefulenergyatthesurfaceoftheearthcomesfromtheactivityof
______mostoftheearth’ssurfaceiscoveredbywater,freshwaterisveryrare
Whenhelearnedoftheusefulnessofforeignlanguages,he______studyingEnglish
随机试题
【B1】[br]【B10】A、glancesB、touchesC、talksD、sightsA本段讨论的是眼睛的微妙的动作。由上文noticewh
______,Icouldhavetriedharder—butIstilldon’tthinkallthiscriticismi
What’sthemainpointofthispassage?[br]Throughsocialnetworking,youcan_
A.具有计数功能 B.保持原有状态 C.置“0” D.置“1”
根据输出对输入的依赖关系设计测试用例的黑盒测试方法是()A.等价类划分法 B
根据相关法律、法规,下列应计入事故间接经济损失的是()。A.火灾爆炸中毁损的财
下列除哪项外,其他均是妊娠心脏病的中医病机A、阴阳两虚 B、气滞痰阻 C、气
人类个体的成长环境就是人类的社会环境。
为判断固定资产的总体合理性,审计人员通常可采用的分析程序有:A、分析本期与以前各
转氨酶的辅酶是() A.泛酸 B.生物素 C.四氢叶酸 D.磷酸吡哆醛
最新回复
(
0
)