本书包括初中、高中、大学六级、硕士水平、博士水平、各阶段英语教学及考试大纲规定的全部词组和托福、吉尔必考词组。本书按关键词排序，并给出关键词，利于理解和记忆；以字母排序的索引，方便查找。

Basketball is still a young game .It is over a hundred years old .In the year of 1891,a vertain vollege was having some trouble with its boy studenrs.The weather was bad .They had to stay imdoors .As they vould not take part im their usual outdoor sports ,the were unhapopy ,and some of them evcen got imto fights from time to time .