完形填空。 I am a team leader in an insurance company．We are going through a lot of changes right now,which is __1__ much stress for all of us． A few weeks ago I was having a day so __2__ that I even doubted if I had the ability to do this challenging work,and was about ready to change to a less stressful job __3__．Something happened that day changed my way of __4__,and I am so appreciative of this young lady．I want to let her know that the small act __5__． On the top of my cubicle (工作隔间) I have a small collection of lighthouses (灯塔) to let people know where I am sitting __6__ my team members have to find me for emergencies． That day I came into the office and was about to get the day __7__ when Crystal came over．I asked if she needed anything．She said,"I __8__ you something．" I looked at her with a __9__ look and said,"Well,thank you,but why __10__ you buy me anything?" I had never spoke to this young lady __11__．She said,"Every day I stand up and look across the __12__ and see your lighth ouses．Then I feel I am not alone and I encourage myself that there are always __13__ things in life．I saw this on the way to work and thought __14__ would like it．I wish it would have the same __15__ as your lighthouses do．" In her hand she had a small globe with a lighthouse and a ship on it．I gave her a hug and __16__ her．I don't think she knows how much that small act of __17__ changed my day:I remained __18__ the rest of the day． For anyone that reads this,I hope you remember,no matter what the __19__ is,you could change someone's day,__20__ even his views on life．