While we may think it feels good to complain，complaining has some bad effects associated with it.
Why isn't complaining beneficial？Research shows that it connects our brain with negativity.
（1）BBThis means that when we repeat a thought，negative or positive，the nerve cells form a bridge between each other to pass information in a higher speed.Therefore，the next time we have a similar type of thought，it is more easily passed. （2）EE
（3）AAA study shows that complaining causes the hippocampus （海馬體），which plays a vital role in problem-solving，to become smaller.
In addition to causing brain damage，complaining also releases a stress hormone：cortisol（皮質(zhì)醇），a kind of chemical the body produces when we meet with some danger.Constantly having a high level of cortisol results in high blood pressure，high blood sugar，and lower immunity （免疫力）．
The ill effects of our complaining aren't merely limited to ourselves：（4）DD We tend to mirror the moods of our friends.For this reason，we should be cautious about having stubborn complainers in our circle of companions.
The best way to deal with constant negativity is to develop a sense of gratitude.（5）FFResearch shows it lowers cortisol levels by 23 percent，as well as reduces blood pressure and blood sugar.It also decreases tiredness and depression.Gratitude is the perfect cure for complaining，a behavior that steals our brain power，happiness and physical well-being.
A.Yet the harmful effects don't stop there.
B.Our brain is designed to work efficiently.
C.they affect the working atmosphere as well.
D.they are likely to involve those around us，too.
E.This explains why certain thought patterns become habits.
F.Just like complaining acts as a poison，gratitude acts as a medicine.
G.Have you noticed that grateful people tend to enjoy others' company？
【考點(diǎn)】人與自我．
【答案】B；E；A；D；F
【解答】
【點(diǎn)評(píng)】
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發(fā)布：2024/4/20 14:35:0組卷：9引用：1難度：0.5
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