题目内容：

任务型阅读：阅读下面短文,根据短文内容,完成下列各题。

Vegetables are good for health .People around the world eat a lot of vegetables every day. What vegetables do you like to eat? Would you like to eat a root(根)? You probably often eat them. People and animals eat many kinds of roots. Most roots that people eat are usually called root vegetables. A root vegetable is what we call vegetables that grow underground.

A carrot is one type of root vegetable. It is the orange, edible root of the carrot plant. Many people like to put it in salad. A turnip is another root vegetable. It is a member of the cabbage family. Turnips are usually eaten boiled, steamed, roasted, fried, pickled, or even raw. Although some people do not consider potatoes to be a vegetable, they are a root vegetable. People like to eat them mashed, boiled, and fried. Sweet potatoes, yams, beets, and leeks are some other root vegetables that people like to eat.

1. What is a root vegetable?

A root vegetable is _____________.

2.What vegetable family does a turnip belong to(属于)?

It belongs to_______________.

3.What does the underlined world “they” refer to?

It refers to________________.

4.How many types of root vegetables are mentioned in the passage?

In the passage, _________ kinds of root vegetables are mentioned.

5.What is the passage mostly about?

It is mostly about______________.