较大用电量的设备,用户应装设补偿装置,使功率因数保持在()以上。
A.0.8
B.0.85
C.0.9
D.0.95
参考答案:B
He eats______ food, so he is ________ fat.
A. much too; too much B. much too; too many C. too much; much too
“学会学习的目的在于运用”,这句话强调的是( )
A.间接经验的重要性
B.实践对认识的决定作用
C.离开理论的实践是盲目的实践
D.思考是认识深化的推动力