局标规定:旅客列车广播的播音时间冬季为()时,夏季为()时。
参考答案:7:00—21:00;7:00-21.30
小敏的家中有150W的电视机一台,300W的洗衣机一台,100W的电冰箱一台,2200W的柜式空调机一台,250W的电脑一台,800W的电饭锅一只,40W的照明灯8盏,则安装电能表时,选用以下哪一种电能表最合适( )
A.220V 5A
B.220V 10A
C.220V 15A
D.220V 20A
---Jack, Miss Black teaches ________ English this term. Please take the English newspapers to ______ for me.
---OK, with my pleasure. [ ]
A. our, she
B. us, her
C. we, him
D. us, him