Passage One
Using the program developed at the University of California at Berkeley, the papers are checked by ______.
A．printing and looking carefully at the hundreds of papers on the internet
B．searching many web pages and comparing words used
C．asking the students where they got the information in the paper
D．comparing all the papers which are turned in by the students
参考答案：B
解析：
[分析]： 特定信息的找寻和判断。 根据题干中专有名词定位到原文相关处信息A hundred million Web pages on the Internet are searched．The top 20 search engines are used for the search可知该项目使用最好的20多个搜索引擎搜索上亿个网站，而且Every sentence that was aword-for-word match with another sentence either found on the Internet or within our database is coded即对每个句子中的每个词都进行比照，将比照一致的地方编注。由此可见，B项内容与原文意思相符，是正确的。[解题关键] 掌握同义词替换是解题的关键。原文中A hundred million、match分别与B项中many和comparison相对应。
