能直接测量带电体的设备有()
A.架空线路
B.隔离开关
C.变压器
D.低压避雷器
参考答案:A, B, C, D
有两份等质量NaHCO3固体,将第一份充分加热,第二份不变,然后分别与足量盐酸反应,则下列叙述正确的是( )
A.消耗盐酸一样多
B.放出CO2一样多
C.消耗盐酸前者多
D.放出的CO2,第一份为第二份的一半
-My family and I stayed at home watching TV this weekend. It's relaxing.
-______. But I think it's boring. [ ]
A. So we did
B. So did we
C. I agree with you
D. I like it