在等式y=kx+b中,当x=0时,y=-1;当x=-1时,y=0,则这个等式是[ ]
A.y=-x-1
B.y=-x
C.y=-x+1
D.y=x+1
答案:A
Parents _____ much importance to education. They will do their best to give their children that priceless gift. [ ]
A. attach
B. pay
C. link
D. apply
战评一般包括哪些内容?