题目

If you wish to become a better reader , here are four important points to remember about rate , or speed , of reading : 1. Knowing why you are reading-what you are reading to find out–will often help you to know whether to read rapidly or slowly . 2. Some things should be read slowly throughout . Examples are directions for making or doing something , arithmetic problems , science and history books , which are full of important information . You must read such things slowly to remember each important step and understand each important idea . 3. Some things should be read rapidly t14．李芳同学在学习世界近代史时，惊奇的发现1804-1814年欧洲的政治版图发生了巨大的变化，对此，他百思不得其解。请你告诉他变化的主要原因（　　）A．英国资产阶级革命B．美国独立战争C．法国资产阶级革命D．拿破仑对外战争