题目

 _________ the Internet is bridging the distance between people, it may also break some families or cause other family problems.        A. As           B. If               C. While         D. Since      答案：C 请仔细阅读下列材料。 “迄今牛邑犹荒凉，居民生资惟榷场。马军步军自来往，南客北客想经商。” ——（宋）刘通请回答： （1）什么叫“榷场”？____________________________________________________________________ （2）“榷场”有何作用？____________________________________________________________________ （3）你如何看待诗中所云历史现象？____________________________________________________________________