He drew a handkerchief from his overcoat pocket.
A:put out
B:took out
C:worked out
探究光的折射规律如图所示:
下图是金元素在元素周期表中的信息示意图。从图中获取的信息正确的是 ()
下列各组物质的俗称或主要成分与化学式不相符的是( )
25×444÷37=____
9625÷25-178=____