社会生产关系是指人们在生产资料所有制基础上形成的,并在社会生产过程中发生的()等关系的总和
A.生产
B.流通
C.消费
D.交换
E.分配
参考答案:A, C, D, E
如果a=b-1(a、b为自然数),a和b的最大公约数是______,最小公倍数是______.
It was with great courage ______ the boy told the truth _______ he had stolen the money.
A.which; that
B.when; what
C.as; that
D.that; that