11. "The data is very astonished!" (“数据非常吃惊”?典型的没有学好现在分词和过去分词的区别，应该用astonishing-“让人惊讶的”。)
12. "At that time, I was studied at university." (“我那时候在大学里被研究?”你是小白鼠吗?应该是I was studying at university。)
13. "Traveling can enlarge our eyesight." (旅行能够拓宽我们的视力?应该是broaden our horizon吧。)
14. "Today, more and more people are getting old." (不是more and more people在变老，是everybody!只要你是地球人都在getting old的......)
15. -"Are you a student or are you working now?"
-"Oh, in my opinion, I am a student." (为什么要加in my opinion?难道别人都不承认你是学生?)
