I get older I get more optimistic

单选题】_I get older I get more optimistic.
A、As
B、Because
C、For
D、That
正确答案：A
4【判断题】Traditionally,all the members of an extended family lived in the same area.
正确答案：√
5【判断题】In post _industrial societies like the united states ,even the nuclear family in changing.
正确答案：√
8章
1【单选题】Almost _of all American families are single parent families.
A、0.2
B、0.1
C、0.15
D、0.25
正确答案：A