All the useful energy at the surface of the earth comes from theactivity of the sun. The sun heats and feeds creatures and mankinD.Each yearit provides men with two hundred million tons of grain and nearly ten milliontons of wood, coal,oil，natural gas，and all other fuels are storeden-ergy from the sun. (80) Some was collected by this season’splants as carbon compounds. Some was stored by plants and trees ages ago. Evenwaterpower derives from the sun. Water turned into vapor by the sun fails asrain. It courses down the mountains and is converted to electric power. Lighttransmits only the energy that comes from the sun ’ s outer layer, and much ofthis energy that is directed towards the earth never arrives. About nine tenthsof it is absorbed by the atmosphere of the earth. In fact, the earth itselfgets only one half millionth of the sun's entire output of radiant energy. The sun is the source of allof the following EXCEPT______ . A.gasoline B.natural gas C.atomic power D.animal fat
A.B. A.gasoline B.natural C.atomic D.animal
【参考答案】
C C事实细节题。文章前半部分提到地球上所有的能量来源都离不开太阳，比如地球上的一切动植物，人类，树木，煤矿，石......