本书是张鑫友大学英语应试系列中的大学英语分级限时阅读训练的第6级。书中共选了80篇短文，文章的难易程度控制在大学三年级下学期和大学四年级上学期的水平，词汇量按2%-5%的量超出6级范围，每篇短文的单词量控制在250-400年内，要求读者每分钟阅读65个单词。

Practice 1 Solid-Fuel Rocket and Liquid-Fuel Rocket
练习、答案及详析
Practice 2 Statistics:It Development and Use
练习、答案及详析
Practice 3 Anglo Patrons' Influence on Hispanic and American Arts
练习、答案及详析
Practice 4 How Do Americans Become Wealthy?
练习、答案及详析
Practice 5 Oil Industry in Today's Norway
练习、答案及详析
Practice 6 Cacti
练习、答案及详析
Practice 7 Erosion: How to Do with It
练习、答案及详析
Practice 8 Animals Need Protection
练习、答案及详析
Practice 9 Herodotus-A Greatest Tourist
练习、答案及详析
Practice 10 Railroad Building in the 19th US
练习、答案及详析
Practice 11 Study of Hurricane
练习、答案及详析
Practice 12 Methods of Children's Education
练习、答案及详析
Practice 13 UFD
练习、答案及详析
Practice 14 Tunnel Building in New York
练习、答案及详析
Practice 15 G.W.Carver:His Work and Career
练习、答案及详析
Practice 16 Sortheasterners' Views on Universe
练习、答案及详析
Practice 17 A Portrait of Grandma Moses
练习、答案及详析
Practice 18 Two Men in Henry's Lunch-Room
练习、答案及详析
Practice 19 World's Wild Areas
练习、答案及详析
Practice 20 Construction，Savings and The Stock Exchange
练习、答案及详析
Practice 21 Tides
练习、答案及详析
……