第2题: [单项选择]The secret agent kept looking back because he was afraid of ______. A. followed B. being followed C. having followed D. having been followed 参考答案:B 答案解析:of是介词，其后接动名词。由于follow和主语he是被动关系，所以用动名词的被动式。D项是动名词的完成被动式，表示此动作与主语是被动关系且先于谓语动作发生，不符合本题题意。
第10题: [单项选择]Older citizens in the United States vote more regularly than younger ones, particularly when local and state issues are being considered.（ ） A. cast their ballots B. run for office C. criticize the government D. give their opinions 参考答案:A
第22题: [单项选择]完成意大利面条图的四个步骤为（） A. 绘制等比例图；标注重点区域；巡视流程；记录运行的时间与距离 B. 巡视流程；标注重点区域；记录运行的时间与距离；绘制等比例图 C. 巡视流程；绘制等比例图；记录运行的时间按与距离；标注重点区域 D. 绘制等比例图；巡视流程；记录运行的时间与距离；标注重点区域 参考答案:A
