单选题
Human facial expressions differ from those of animals in the degree to which they can be______controlled and modified.(2003年中国科学院考博试题)
【正确答案】
A
【答案解析】解析:本题是说人可以有意地控制和改变表情。四个选项中,A项“deliberately有意地”符合题意。其他三项“consequently结果;originally最初:absolutely绝对”都不正确。