题目内容:
In1996.ArthurC.Clarkepredictedthat
A.biologicalpowersourceswouldbeputintousesoo B.oil gasandcoalcouldberepeatedlyusedinthefutur
C.dependenceonnon—renewablepowersourceswouldbereducedsoo
D.theChernobyldisasterwouldhappenintwoyear
参考答案:
答案解析: