—Don't be silly. ,you know.
A:Actions speak louder than words
B:The grass is always greener on the other side
C:A bird in the hand is worth two in the bush
D:A great hope makes a great man
在拨动钢尺时,改变尺子伸出桌面的长度,尺子振动时发出的音高也会改变 ,因为尺子振动的快慢改变了。( )
子游问孝,子曰: “今之孝者,是谓能养。至于犬马,皆能有养;不敬,何以别乎?”孔子这句话是说( )
a.____
b.____
c.____