—My mother has a backache in hospital —_________________.
A:
B:I'm sorry to hear that
C:I'm not feeling well
D:She'll be all right soon.
下图是小飞围绕“巴拿马人民斗争的最后胜利”制作的学习卡片,其中有一处与史实明显不符,此处是( )
(1)解方程:x2+4x-2=0(2)计算:27-12+155+6sin60°
环球网舆情调查中心就旅游宰客话题发起网络调查,结果见下图。调查结果说明 ( )