A-A+
This passage may be adopted fromA．a book revie
问题详情
This passage may be adopted from
A．a book review
B．the preface to a book
C．the lecture on a book
D．the advertisement of a book此题为多项选择题。请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：从文章最后半句…this book describes the effort中的this book可以判断出该篇文章是书的前言。
