农村社会养老保险工作主要是在（）地区开展的
A.贫困
B.西部
C.农民温饱基本解决
D.基层组织比较健全
参考答案：C, D
The ______ controls the cursor or pointer on the screen and allows the user to access commands by pointing and clicking.
A．graphics
B．printer
C．program
D．mouse
礼法之争
