单项选择题
A．offer good wages but no interest B．give you only a small income C．give you lots of interest but little money D．are unrewarding in any way
A．avoids the need for reading faster B．is not the same as pacing C．may seem unworkable at first D．helps you to remember your page number
A．destroyed the United States B．changed some American values C．was not important in the United States D．brought people more leisure time with their families