A typical pie graph looks like a circular pie. The circle is divided into sections, and each section represents a fraction of the data. The graph is commonly used to show percentages;the whole pie represents 100 percent, so each piece is a fraction of the whole.

　　A pie graph might include a legend, or it might use icons or labels within each slice. This pie graph shows one month􀆳s expenses(See Graph 3).

　　Food $25

　　Movies $12

　　Clothing $36

　　Savings $20

　　Books $7

1. When used in a graph, a legend is　　　.

A. a guide to the symbols and colors

B. an introduction paragraph

C. the main idea

D. the data

2. What is the total number of students who earned a C or better?

A. 4. B. 6. C. 10. D. 20.

3. The bird covered the longest distance on　　　.

A. Day 1 B. Day 2 C. Day 3 D. Day 4

4. Which of the following cost Amy most?

A. Food. B. Books.

C. Movies. D. Clothing.

Ⅲ. 阅读补全(七选五)

　　根据短文内容, 从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Eyesight plays a very important role in our daily life. Every waking moment, the eyes are working to see the world around us. Over forty percent of Americans worry about losing eyesight, but it􀆳s easy to include steps into our daily life to ensure healthy eyes. Here are five suggestions for a lifetime of healthy eyesight: