已知圆Ol与圆O2的半径分别为3和5,且圆Ol与圆O2相切,则O1O2等于( )
2或8
Is this watch _____ you wish to have _____?
A.the one; it repaired
B.that; repaired it
C.the one; repaired
D.which; repaired it
冷哮的治疗主方是()
A.麻黄汤
B.射干麻黄汤
C.小青龙汤
D.大青龙汤
E.定喘汤