六级练习2012.05.06 physical, chemical, something, only, substance

Rebecca949

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 (3)__________________, and most people say a good cry makes them feel better. Many scientists, therefore, believe that crying somehow helps us cope with emotional situations.

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susan.sui

1.you lose on the spots to funs
2. washing and refusing irritating stuff out
3.produce tears in response to emotions

yueyinxin

回复 1# Rebecca949


    答案

riverfeng

楼上还厉害，看到了我似乎看到了答案。
1、you lose the substance defends
2、washing this eyess' attended stuff out
3、produce tears in respond of emtions

wyj333333

楼上很厉害
看看答案