单选题
______ are those programs that help find the information you are trying to locate on the WWW.
A．Windows B．Search Engines C．Web Sites D．Web Pages
【正确答案】
B
【答案解析】题目的大意是：搜索引擎是帮助人们在互联网上找到所需信息的程序。Windows：窗口，Search Engines：搜索引擎，Web Sites：网站，Web Pages：网页。