题目

It is impossible to live in society and independent of society; and therefore it is difficult to        society        unequality as well as corruption. A.remove; from           B.rid; of             C.substitute; with          D.simplify; by 答案:B(2013?黑龙江模拟)在测定一只标有2.5V小灯泡的功率的实验中:(1)甲图是某同学设计的实验电路图,请把遗漏的部分补充完整;(2)根据完整的电路图将乙图中实物连接起来(连线不许交叉,估计小灯泡的额定功率不超过1W);(3)在闭合开关前,先将滑动变阻器的滑片P调到BB(选填A或B)端;(4)若电压表示数为1.8V,为使小灯泡正常发光,应将滑动变阻器的滑片向AA端移动,使电压表的示数为2.52.5V,如果此时电流表的示数如图丙所示,则通过小灯泡的电流是0.30.3A,小灯泡的额定功率为0.750.75W.
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