This passage most probably is( ).A.a book reviewB.the preface of a bookC. the postscript o

This passage most probably is( )．

A．a book review

B．the preface of a book

C． the postscript of a book

D． the concluding part of a book

答 案：B
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。