It's not proper for kids to have too much pocket money because they may buy ______.
A：something necessary
B：necessary anything
C：something unnecessary
D：unnecessary something
世界上最早使用核武器的国家（ ）
下列有关经纬线的叙述，正确的是（ ）
关于河南省自然资源状况的叙述，正确的是（ ）
