A、a book review
B、the preface of a book
C、the postscript of a book
D、the concluding part of a book
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试题解析
B[解析]通过第二段首句This book is written for the intelligent student or lay person whose acquaintance with sclence is superficial.及最后一段首句We have also tried to make the book entertaining as well as informative.容易推断本文是一本书的前言。故B 正确。