单元检测(四).语言知识及应用(共两节，满分45分)第一节完形填空(共15小题；每小题2分，满分30分)阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。Learning experiences happen to us throughout our lives.Not long ago，I had one that I would like to _1_.I was going to Marblehead with my sailboat team.The team was racing down the highway at 85 mph when we realized we were _2_.Luckily，we saw a rest area ahead.I had a brand new $20 bill.I was so _3_because I had never had that kind of cash before.But spending it on _4_seemed like
