题目

It’s natural to greet friends with a smile and a wave. 【1】 But what happens if your face and body send mixed messages? Would someone be more likely to believe the look on your face or the way you hold your body?Scientists have recently tackled these questions. They found that when a person is looking at your face, she might not believe what she sees if your body language doesn’t match the feeling that your face shows.【2】 Previously, they had found that the tone of a person’s voice can be more important than the words that are spoken. For example, most people tend not to believe a对左下方的几何体变换位置或视角，则可以得到的几何体是　　（　　）