“国破山河在,城春草木深。感时花溅泪,恨别鸟惊心。”抒发了杜甫对唐都长安遭安史之乱破坏的悲怆情怀。他的诗,语言精炼凝重,艺术技巧高超,被后人称为( )
A:医圣
B:书圣
C:诗圣
D:诗史
There's no ticket left for Lang Lang's piano concert. you your sister can go to it.
1×7=____ 7×6=____
2×7=____ 7×7=____
3×7=____ ____×7=56
____×7=28 7×____=63
7×____=35 7×10=____
在Rt△ABC中,∠C =90°,sinA=45,则cosB的值等于( )