Human facial expressions differ_____from those of animals in the degree to which they can be controlled

and modified.[ ]

 A. sufficiently    

B. deliberately      

C. normally        

D. absolutely

在填制《入境货物报检单》时，不能在“贸易方式”一栏中填写的是（ ）。

A．来料加工

B．无偿援助

C．观赏或演艺

D．外商投资