有提及曾经有专门介绍该政治家的书出版。据此可知，在介绍的五个政治领导人中，写撒切尔夫人的书最多，故C项正确。

　　2．Which writer was once a politician?

　　A．Ben Pimlott. B．Charles Moore.

　　C．John Campbell. D．Roy Jenkins.

　　答案与解析：D　考查细节理解。根据第四段第一句"Jenkins writes as a politician as well as a historian, analyzing Churchill's historic moves from the opinions of one who had also spoken in the Commons"可知，詹金斯是一位政治家，也是一位历史学家，故D项正确。其他作者都没有被提及曾经是政治家。

　　3．What's the author's purpose of writing the passage?

　　A．To introduce some histories on elections.

　　B．To recommend some books on leaders.

　　C．To tell some mysteries about historians.

　　D．To think highly of some famous leaders.

　　答案与解析：B　考查目的意图。通读全文可知，本文主要介绍了五本有关改变历史的世界伟人的传记，书的作者是掌握这一伟人的第一手资料者，文章具体介绍了作者姓名、出版时间、书的内容等。据此可知，本文旨在推荐一些关于政治领导人的书籍，故B项正确。

　　B

"Clothes­swapping" is an activity which has become increasingly popular among American women. At a clothes swap event the women can give away unwanted clothing and get something different in return.