题目内容：

An index (索引) is usually at the end of a book. It tells us most of the topics the writer talks about in the book. The topics are usually listed from letter A to letter Z. Under each topic， there are some small topics， and we can find the page number after each small topic. Here is part of an index from a cookbook (烹调手册) ：

Potatoes          Salads              Sandwiches       Soups

dry 63          cabbage 125        apple and beef 161    bean 189

French fries 67  chicken egg 137       cheese 170         beef 192

new 82          fruits 139          chicken 172         carrot 196     .

sour 100         green 151          cold meat 182         chicken 220

1.The whole passage tells us about_________..

A. how to become a very good chef

B. what kind of food is very popular

C. how to use the index in a cookbook

2.If we are learning to make dry potatoes， we may turn to page_________.

A. 63         B. 220         C. 137

3.In this passage  the word "green" means a kind of_________.

A. color         B. salad          C. cookbook