惩罚是刑罚的基本特征，但对于犯罪分子来说，适用刑罚并不在于或不仅仅在于惩罚，而是为了改造他们。 ( )
参考答案：对
Poor Richard spent his last penny on a bowl of noodles. Now he is______.
A．as strong as a horse
B．as busy as a bee
C．as poor as a church mouse
D．as cool as a cucumber
下列物质中具有还原性的气体单质是（ ）
A．C
B．H2
C．CO
D．CuO
