A:锋面雨
B:地形雨
C:台风雨
D:对流雨
△ABC中,角A,B,C所对的边分别为a,b,c,已知sinA+sinC=psinB且 ac=14b2 .若角B为锐角,则p的取值范围是( )
—What's your __________ jobs?
—They are doctors.
计算:a3÷a=____.