问题
单项选择题
太阳每秒钟到达地面的能量高达80万千瓦,假如把到达地球表面0.1%的太阳能作光电转换,并且转变率为5%,每年发电量可达()千瓦小时,相当于目前世界上能耗的40倍。
A.5.631012
B.5.631011
C.5.631010
D.5.631013
答案
参考答案:A
太阳每秒钟到达地面的能量高达80万千瓦,假如把到达地球表面0.1%的太阳能作光电转换,并且转变率为5%,每年发电量可达()千瓦小时,相当于目前世界上能耗的40倍。
A.5.631012
B.5.631011
C.5.631010
D.5.631013
参考答案:A
Zhang Yishan studies in Beijing Movies University now. And Yang Zi is in his class, too . You don’t know__1__ very well, do you? __2__do you know Home With Kids ?Many people like the __3__and their three children in it . Today ,let’s talk about Zhang Yishan . He __4__Liu Xing in the play Home With Kids. Zhang Yishan was born on May 5,1992. Black and white are his favorite__5__. His favorite __6__is the monkey. Zhang Yishan likes __7__.He sings very well. He can also do Chinese kung fu .He _8___Chinese kung fu for 5 years .And he is good at basketball .Lin Junjie and Jay Chou are his favorite __9__. Zhang is very __10__ now. He studies at school and works after class .Let’s hope he can be a great actor.
|