19．C。考查动词词义辨析及语境理解。这些想做的事就像他们离开的工作一样变得索然无味了。此处lost失去；chose选择；left剩下、离开；quit停止。leave work 离开工作岗位。故选C。

　　20．B。考查名词词义辨析及语境理解。就像那个一月的孩子一样，他们又去寻找新的玩具了。此处pets宠物；toys玩具；friends朋友；colleagues同事。和一开始的例子一样。说明老人和小孩子一样没有长性。把老人比作孩子，那孩子玩的东西就是玩具了。故选B。

　　（2017·山东卷)第二节：完形填空（共20小题；每小题1分，满分20分）

　　阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡将该项涂黑。

　　I used to be a very self-centered person, but in the past two years I have really changed. I have started to think about other people__36__I think about myself. I am happy that I am becoming a__37__person.

　　I think my __38__started when I was at Palomar College. At first, I just wanted to get my__39__and be left alone. I thought I was smarter than everyone else, so I hardly ever__40__ to anyone in my classes. By the end of my first semester, I was really__41__. It seemed as if everyone but me had made friends and was having fun. So tried a(n)

　　__42__. I started asking people around me how they were doing, and if they were having trouble I__43__ to help. That was really a big__44__for me. By the end of the year, I had several new friends, and two of__45__are still my best friends today.

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