已知方程3x2n+3+5=0是一元一次方程,则n=( )
﹣1
----How did you _________ your vacation?
-----It’s ___________. Everything was really interesting.
A.like, boring
B.think of, boring
C.like, wonderful
D.think of, wonderful
重要的会计电算化档案应准备双份,可以存放在相同的地方。( )