Example 3
There are three kinds of b00k owners.The first has all the standard sets andbest-sellers-unread，untouched.The second has a great many books a few of themread through，mostof them were bought.The third has a few books Or many everyone of them dogeared and dilapidated，shaken and loosened by continual use，marked and scribbled in front to back.
作者将藏书者分为三类，条理十分清楚。
Example 4
Nowadays the news media mainly consists of radio，television and newspapers.Each type has its own advantages and disadvantages.
Newspapers are the oldest form for communicating the news.Today manypeople still begin their day by reading the morning paper while having breakfast，andend their day by reading the evening paper while having dinner.
The invention of the radio has had a tremendous influence on the world.It isable to bring up-to-minute news to distant places in a matter of seconds.Thus thedevelopment of the radio has made the world a smaller place.
Television is the most recently developed device for communication.It allows USto see as well aS to hear the news.The fact that it enables people to see visualimages has had a considerable effect on our perceptions of world event.
作者把新闻媒体分成三类：收音机、电视和报纸，并分别说明了各自的优缺点。
Example 5
Physical activities and intellectual pursuits are the two basic ways in which wespend our leisure time.
Physical activities give US the opportunities to strengthen our bodies and tosatisfy our competitive nature.The activities range from participation in strenuousspots such as running，football，or tennis。In addition，we can choose whether wewant to enjoy these activities as part of a group，for example，a football team，or insolitary pursuit，like spending a quiet afternoon fishing.Physical pastimes providewelcome and necessary breaks in our often sedentary lives，and alert US to ourphysical condition.
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