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
42
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.
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://kaotiyun.com/show/mdRO777K
0
成人本科学位英语
相关试题推荐
Asagardener,Jimhastowatertheflowersand______thegrassinthegardeneverymorning.
ThismorningI(gotup)(late),(so)Icametoschooltenminutes(later).
WhenIwasaboy,childrenalwaysobjected【C1】______wearingschooluniform.Butteacherswere【C2】______onitbecausetheysaida
WhileinLondon,wepaidavisittothehospitalfounded______thenurseFlorenceNightingale.
Itisadesiresharedbyallthosedelegatespresentattheconferencethatfinancialcooperation______carriedoninsuchadif
71.Amanoncesaidhowuselessitwastoputadvertisementsinthenewspapers."Lastweek,"saidhe,"myumbrellawasstolen
Treesareusefultomaninthreeimportantways:theyprovidehimwithwoodandotherproducts;theygivehimshade;andtheyhe
Treesareusefultomaninthreeimportantways:theyprovidehimwithwoodandotherproducts;theygivehimshade;andtheyhe
WhenMr.Blackretired,hisson______thebusiness.
Itwasnot______1982thathewentbacktoAmerica.
随机试题
活血行气止痛作用强,研末服即有效的药物是
子宫脱垂Ⅲ度为
下列关于隧道施工的安全要点的说法,正确的有()。
在社会总需求不变的情况下,由于厂商的退出使总供给减少,引起价格上涨,即形成由供给因素变动的通货膨胀,可以归结为两类原因。下列选项属于两类原因的有()。
Howlongcanhumanbeingslive?Mostscientistswhostudyoldagethinkthatthehumanbodyis【C1】______tolivenolongerthan1
下列关于我国村民委员会的表述,正确的是()。
设an是绝对收敛的级数,证明由an的一切正项组成的级数pn是收敛的;由an的一切负项组成的级数(一qn)也是收敛的。
在考生文件夹下,存在一个数据库文件“sampl.accdb”,里边已建立“tGrade”和“tStudent”两个表对象;同时还存在一个Excel文件“tCourse.xls”。试按以下操作要求,完成表的编辑:设置“tStudent”表的显示格式,使表
GesturesI.Universalusageofgesturesincommunication1)GesturesarewidelyusedespeciallyinArabcountries.2)Gesturesh
I’dratheryou______thoseimportantdocumentswithyou.
最新回复
(
0
)