— What do you think of the concert?  

—        , it's not bad, though several songs are out-of-date.[ ]

A. All in all      

B. In the meanwhile

C. On average  

D. Above all

吸痰操作中，哪项做法不妥()。

A．病人头转向操作者

B．小儿吸痰时，导管应细

C．吸痰导管每次需更换

D．导管应上下移动，左右旋转

E．必要时检查口腔黏膜