【简答题】成人尿量低于( )ml/24h称为少尿,低于( )ml/24h称为无尿,大于( )ml/24h称为多尿。
【单选题】数据通信系统中,用来衡量传输介质可靠性的指标为__________。
【单选题】如果需要外宾的年龄,下列哪种问话方式是比较礼貌的? ( )
C.
Tell me your age please
【单选题】To speed up the ________ of letters, the Post Office introduced automatic sorting.
【单选题】Why do farmers give drugs to their animals?
A.
To speed up the growth of animals.
B.
To make the animals fatter.
C.
To make the animals'meat fit to eat.
D.
To make the animals'meat rich in nutrients.