在电力供应不足时，一般以提高负荷率为目标，在电力供需平衡时，以节约电量提高负荷率为目标。
参考答案：错
—Could you tell me _______?
—It's about ten minutes' ride. [ ]
A. where is your school
B. how far your school is from here
C. when do you go to school
D. which the way to your school is
浓硫酸具有强烈的吸水性和脱水性。
