法确认最低限度的道德义务,对社会价值观进行道德整合,这是法对哪种文明发挥的促进和推动作用?()
A.物质文明
B.精神文明
C.政治文明
D.生态文明
参考答案:B
Jack likes to make people ______ and play jokes ______ his friends. [ ]
A. laugh ; on
B. to laugh ; on
C. laugh ; with
D. to laugh ; with
570000÷1900的值是( )
A.3000
B.300
C.4000
D.400