Smell the flowers before you go to sleep and you may just _____ sweet dreams.

A. keep up with

B. put up with

C. end up with

D. catch up with

出现精索静脉曲张的是（）

A．肾癌 

B．膀胱癌 

C．睾丸肿瘤 

D．前列腺癌 

E．前列腺增生