读一读，将序号标在括号内。

(     ) But I don't have any books about the flowers.

(     ) You can find out about the flowers in a book.

(     ) I want to find out about the flowers.

(     ) Let's go to the library.

(     ) OK,let's go.

( ) We can find a book about flowers there.

溃疡病急性穿孔的典型体征为

A．胃型
B．肠型
C．高调金属音
D．肝区叩击痛
E．板状腹