— This dress is too expensive. Do you have others? — Sorry, but that's the __________ one.
A:biggest
B:smallest
C:cheapest
D:longest
下列对货币的认识,正确的是( )
△ABC中,∠C=90°,AC=6,BC=8,△ABC的外接圆半径为R,内切圆半径为r,则R与r的比值是( )
请你为“推广普通话活动周”设计一条富有感染力的宣传语。