尿液从形成到排出体外的过程,下列哪一个叙述是正确的( )
A:肾脏→输尿管→尿道→膀胱
B:肾脏→膀胱→输尿管→尿道
C:肾脏→输尿管→膀胱→尿道
D:膀胱→肾脏→输尿管→尿道
比-5小-7的数是____;比0小-3的数是____.
All the athletes _______ the nice service during the London Olympics.
— How many students are there in your school?
— students, I think.