4.One of the features of this textbook as mentioned in the last paragraph is that ____.

　　A)its users may be beginners of the English language

　　B)it can be used for different course arrangements

　　C)only advanced learners can benefit from it

　　D)its learners must spend at least 10 hours on it per week

　　5.The passage is most likely a part of ___.

　　A)a scientific paper

　　B)a preface

　　C)an interview

　　D)a news article

　　1.A)adds some new sections to most chapters對應原文第三段第一句New sections have been added to most chapters.

　　2.A) because a new syllabus had been introduced對應原文第二段第一句With the introduction of a considerably modified examination however, a large part of the earlier book has been rewritten so as to ensure adequate preparation for all sections of the new syllabus(大綱).

　　3.C)comprehension passages. 第二段末尾和第三段第一句都出現了comprehension passages, 第四段出現了reading passage, 種種跡象表明: 本書的主要組成部分是閱讀文章.

　　4.B)it can be used for different course arrangements. 參考最后一段.

　　5.B)a preface, 序言.