题目

Teen Travel with Global Teen Ever thought about traveling in Italy?Or a teen travel program in Spain?Our summer travel program for teens is one adventure you cannot pass up.Experience Europe and tour Spain,France,Austria.Germany,Italy,or other European countries. Come to enjoy our summer travel program for teens that will have you touring and experiencing cultures unlike anything you have done before.For example,Teen Travel Italy gives you wonderful tours of splendid cathedrals, adventures in Italian history,and the experience of your young life that you don't want to miss!Teen travel p在一次医疗事故中，医生错误的将B型血输入A型血的病人体内，造成病人的上肢静脉内出现了大量的红细胞聚集团．这些红细胞团最有可能堵塞病人的（ ）A．脑部毛细血管B．肺部毛细血管C．肾小球毛细血管D．胃部毛细血管