【简答题】A.Only humans respond to emotions by shedding tears. B.Only humans shed tears to get rid of irritating stuff in their eyes. C.Only human tears can resist the invading bacteria. D.Only human tears can ...
【简答题】A.Only humans respond to emotions by shedding tears. B.Only humans shed tears to get rid of imitating stuff in their eyes. C.Only human tears can resist invading bacteria. D.Only human tears can disch...