普遍型的社会保险基金筹集模式的理论依据为（）
A.俾斯麦
B.亚当·斯密
C.马克思
D.贝弗里奇
参考答案：D
出第二恒磨牙
A.6岁
B.7～8岁
C.12岁
D.18岁以后
E.20～30岁
It is reported that great efforts made to ________ the case have paid off.[ ]
A. run into
B. look into
C. run after
D. look after
