答案:A,考查介词用法辨析.结合句意"为下星期三下午安排一次约会"可知,即make an appointment for next Wednesday afternoon.同学易错选为on,以为在某天下午应用介词on,但句意并非在下周三下午才做预约,而是说现在就约,把时间约在周三下午.故用介词for. 故选:A.
214486.(2020•西安中学•高二下期中)
Much ____ his surprise, the moment he went into the classroom, every one stood up clapping to congratulate him ___ winning the first prize.( )
220238.(2017•西电中学•高二上一月)
People should be cautious ______their personal information when surfing the Internet so as to prevent certain computer viruses ______ it.( )