题目

Either you or one of your students ______ to attend the meeting that is due tomorrow. A. are                       B. is                       C. have                      D. be 答案：B 解析: 考查主谓一致的用法。Either …or…. 连接两个主语，按就近原则来确定谓语的单复数。One of your students 谓语应用单数形式。谁发明了活字印刷术？比欧洲早多少年？ [　　] A．李春　700多年B．蔡伦　200多年 C．毕昇　200多年D．毕昇　400多年