家庭电路中，要安装____________表，用来测量用户消耗的电能。
电能
题目分析：电能表是测量用户在一定时间内消耗的电能，并且根据电能的多少来收取电费．
灭火战斗行动的原则是：统一指挥、协同配合、准确迅速、机智勇敢、疏散物资。
China has recently ______ its waters controls near the Diaoyu Islands to prevent Chinese fishing boats from ______ in the East China Sea．
A．show up; attacking
B．taken up; having attacked
C．stepped up; being attacked
D．picked up; having been attacked
