— You should ________ smoking. It's bad for your health.

— But it's hard to go without a cigarette. [       ]

A. give in      

B. give out        

C. give off          

D. give up

生活质量评价最常用的方式是

A、采用标准化问卷进行评价 

B、实验室检查 

C、身体机能测量 

D、结合既往病史给予临床诊断结果 

E、健康自评