A:borrowed
B:lent
C:kept
D:bought
如图所示为多用电表的刻度盘.若选用倍率为“×100”的电阻挡测电阻时,表针指示如图所示,则:
下列各组物质的俗称或主要成分与化学式不相符的是( )
On Children's Day, I can sing a s____.