A-A+
Energy is obtained from rivers by______.A. bui
问题详情
Energy is obtained from rivers by______.
A. building bridges across them
B. driving generators into them
C. building dams across them
D. directing them into homes and factories
参考答案
正确答案：B
54．答案为B 此题为细节题。从文章中的第四段第二句Man constructs...and get the energy needed to drive generators可以得知河水通过推动发电机运转获得电力能源。
