题目内容:
Whatdowelearnfromthelastparagraph?
A.Biotechnologycansolveallourfutureenergyproblem B.Biologicalpowerischeaperthannuclearpowe
C.Biologicalpowermaynotbeasdangerousasnuclearpower
D.Biologicalpowerwillkeepallitspromise
参考答案:
答案解析: