Faces, like fingerprints, are unique. Did you ever wonder how it is possible for as to recognize people ______ Yet a very young child—or even an animal, such as a pigeon-can learn to recognize faces. We all take this ability for granted.
A. Even a skilled writer probably could not describe all the features that make one face different from another.
B. Like the human face, human personality is very complex.
C. But we can easily tell the" good guys" from the" bad guys" because the two types differ in appearance as well as in actions.E. Bookworms, conservatives, military types-people are described with such terms.F. We also tell people apart by how they behav