求大神帮忙找找语法错误或者单词拼写错误!就是纠错啦!

题目

求大神帮忙找找语法错误或者单词拼写错误!就是纠错啦!
Unit 5 Text B (A summary)
A professor of psychology at the university--Robert Emmons,PHD,did a experiment about the power of gratitude.He took three groups of volunteers to randomly concentrate on the following three things individually each week:hassles,things for which they were grateful,and ordinary life events.The result was that those who were grateful had more joys,more energy and a higher quality of life.Besides,they were becoming more optimism and more helpful toward others.
According to the results and analyses,we can do something to use all this science of gratitude in our lives.There are four suggestions:recording your thanks,seeing the patterns,catching the boomerang and seizing the moment.Believe it or not,the power of love gratitude is strong enough to make your life more lovely and wonderful.

答案

Unit 5 Text B (A summary)
A professor of psychology at the university--Robert Emmons,PHD,did 【an】 experiment about the power of gratitude.He took three groups of volunteers to randomly concentrate on the following three things individually each week:hassles,things for which they were grateful,and ordinary life events.The result was that those who were grateful had more joys,more energy and a higher quality of life.Besides,they were becoming more optimism and more helpful toward others.
According to the results and analyses,we can do something to 【use改成apply】 all this science of gratitude 【in改成to】 our lives.There are four suggestions:recording your thanks,seeing the patterns,catching the boomerang and seizing the moment.Believe it or not,the power of 【去掉love】 gratitude is strong enough to make your life become more lovely and wonderful.
楼主的summary写的很好啊,基本没什么错误.use改成apply只是建议,不是语法或逻辑错误