[单项选择]Managing risk and documenting them is very important in project planning process. You are in the process of defining key risks, including constraints and assumptions, and planned responses and contingencies. These details will be included in the（）
A. project management plan
B. project baseline
C. risk response plan
D. risk baseline

The history of civil engineering is a very important story in the development of civilization. Civil engineers began practicing their profession four thousand years ago.Every great civilization, Egyptians, Minoan, and Roman, for instance, had the civil engineers. What is left of their work is proof that they were intelligent. These engineers of the ancient world built entire cities. They de signed systems of pipes which supplied fresh water. They built water pipelines for farmlands as well as bridges of great length. The ruins of the structures tell us much about the work of early engineers.
Consider the pyramids of Egypt. They are evidence that some of the earliest engineers had great scientific ability. They are also proof that those engineers could make lasting works of art and des(gm Although they lived thousands of years ago,the Egyptian engineers used very exact measurements. The base of the largest pyramid, the great pyramid near Gizeh,comes to within inche
A. people began practicing civil engineering in order to become professional engineers
B. civil engineers began putting their knowledge into practice
C. there appeared civil engineers by profession
D. civil engineers got more involved in their profession