六级练习2016.06.27
[audio]http://sound.yywz123.com/tingbbs/cet6/cet620160627.mp3[/audio]Why do we cry? Can you imagine life without tears? Not only do tears keep your eyes lubricated, they also contain a substance that kills certain bacteria so they can’t infect your eyes. Give up your tears, and (1)_________________________.
Nobody wants to give up the flood of extra tears you produce when you get something physical or chemical in your eyes. Tears are very good at (2)______________________.
Another thing you couldn’t do without your tears is cry from joy, anger or sadness. Humans are the only animals that (30__________________, and most people say a good cry makes them feel better. Many scientists, therefore, believe that crying somehow helps us cope with emotional situations.
**** Hidden Message ***** you lose this defence
watching your staff out
produce tears in thus emotion
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