单项选择题

What does the man say is a drawback to the process of restoring books

A．It's very expensive.
B．It hasn't proven to be totally effective.
C．It can be damaging to some books.
D．It can't be used on books published before 1850.

<上一题目录下一题>

热门试题

单项选择题

What will the women probably do next

A．Get some books for the man to look at.
B．Ask the man to look over her notes.
C．Continue her research in the library.
D．Find more information on how books are preserve