三个连续奇数,若中间一个为n,则它们的积是[ ]
A.6n3﹣6n
B.4n3﹣n
C.n3﹣4n
D.n3﹣n
答案:C
The last thirty years _____ the greatest number of laws stopping our rights and progress. Until today we have reached a stage _____ we have almost no rights at all.
A.saw; which
B.see; where
C.are seeing; in which
D.have seen; where
连锁企业跨国经营的动机是什么?