癌症的综合康复原则（）
A.乐观心态
B.平衡的膳食
C.适当锻炼
D.吸烟喝酒
参考答案：A, B, C
支付系统有哪些联接方式（）。
A.直联
B.间连
C.集中接入
D.分散接入
What was unusual about the Article of Confederation? What was the struggle at the Constitutional Convention? How was the conflict solved?
