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
2024-01-15
11
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/3364148.html
相关试题推荐
Strongwindsmay______awaythesoilontheearthsurface.A、blowB、putC、getD、le
Treesareusefultomaninthreeimportantways:theyprovidehimwithwood
Treesareusefultomaninthreeimportantways:theyprovidehimwithwood
Withoutthesun’slight______theearth’ssurface,nolifecouldexistontheear
Wedonotoftenconsiderhowmuchenergygoesintocreatingcomfortslikeho
Tosaveenergy,peoplehaveto______theirelectricityconsumption.A、cutoutB、cu
Treesareusefultomaninthreeimportantways:theyprovidehimwithwood
Treesareusefultomaninthreeimportantways:theyprovidehimwithwood
Howcanwegetridofgarbage?Dowehaveenoughenergysourcestomeetour
Howcanwegetridofgarbage?Dowehaveenoughenergysourcestomeetour
随机试题
[originaltext]I:Goodmorning,everyone.TodayI’dliketointroduceProfessor
DevelopHealthyEatingHabitsinYourChildrenA)Whatdoyouthinkyour
施工单位进行路堤填方工程的试验段施工的主要目的有()。A.确定松铺厚度、压
病儿,男,11岁。确诊为急性肾炎,中医辨证为水毒内闭。治疗应首选A.真武汤 B
中性粒细胞碱性磷酸酶(NAP)积分增加见于A.恶性组织细胞病B.慢性粒细胞性白血
Thechangeinthatvillagewasmiraculou
患者,女,38岁。大面积烧伤后5小时入院,心率120次/分,血压70/50mmH
科学发展观的核心是()。 A.以人为本B.可持续发展C.改革开放D.发
以下属于“出口货物”一般应当具备的条件有()。A.必须是属于增值税征税范围货物
生态影响与评价的指数法应用包括( )。A.可用于生态系统功能评价 B.可用于
最新回复
(
0
)