Which of the following is more important in determining the amount of free surface that will be produced?（）.

A.Outside temperature

B.Dewpoint of the outside air

C.Dewpoint of the air in the cargo hold

D.Temperature of the cargp

进行各种定性免疫实验测定时的质控要点有（）

A.强阳性质控品

B.弱阳性质控品

C.阴性质控品

D.试剂盒的阴性、阳性对照

E.以上都是