题目内容：

阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。

Will 1. matter if you don't take your breakfast? Recently a test 2. (give) in the United Sates. Those tested included people of different 3. from 12 to 83. During the experiment, these people were given all kinds of breakfasts, and sometimes they got 4. breakfast at all. Special tests were set up to see 5. well their bodies worked and when they had eaten6.certain kind of breakfast. The results show that if a person eats a proper breakfast, he or she will work with better effect 7. if he or she has no breakfast. This fact appears to be 8. (especial) true if a person works 9. his brains. For example, if a student eats fruit, eggs, bread and milk before going to school, he will learn more quickly and listen with10. (much) attention in class.