热继电器热元件调节范围应在热元件额定电流的（）之间。
60%～80%
B、60%～100%
C、80%～100%
D、80%～120%
参考答案：B
人体每天体内代谢产生的水大约有（）
A.200ml
B.400ml
C.300ml
D.500ml
E.600ml
I asked two people the way to the station, but ______ of them could help me.[ ]
A. both
B. neither
C. either
D. all
