A:I am certain he’ll make it.
B:That’s really tough.
C:Everything is going well with me.
D:Actually, there is no choice anyway.
读亚洲大陆沿30°N地形剖面示意图甲、亚洲大陆沿80°E地形剖面示意图乙,回答下题.
我国人口最少的省级行政单位是( )。
在△ABC中,a=80,b=100,A=45°,则此三角形解的情况是( )