21. He gave up his job in the big company and slowed down his ________ of life to stay with his family more and enjoy life better.

A. altitude       B. journey      C. attitude       D. pace

22. Your report is wonderful. However, it only shows the ________ of your project. I need some more details.

A. insurance    B. headline      C. outline       D. schedule

23. Although online deals are convenient, many people do not want to buy things online because they are not always _______. People are afraid of being cheated.

A. dusty       B. reliable       C. stubborn       D. loose