The weather turned out to be very good, _______ was more than we could expect.
A:what
B:which
C:that
D:It
“日出江花红胜火,春来江水绿如蓝”,诗中使江水变绿的生物是( )
下列各句中,没有错别字的一项是( )
(1)解方程:x2+4x-2=0(2)计算:27-12+155+6sin60°
下列不是健康的生活方式的是( )