（58）Which traversal method for a binary tree does the following Pascal code
illustrate?（ ）。
Procedure traverae(p:pointer);
Begin
If p<>nil
then begin
traverse(p↑.left);
process(p);
traverse(p↑.right);
end
end;
A) preorder B) postorder C) reorder D) inorder
（59）Which of the following statements is true regarding simple sort techniques?
（ ）。
A) exchange sort if frequently referred to as a bubbnle sort .
B) exchange sort is the least expensive.
C) if random data are in an array that is to be sorted ,an insertion sort will
give then best performance for large elements with small sort items .
D) both insertion sort an selection sort require O(n) moves.
(60) What is the definition of a path?（ ）。
A) A sequence of vertices and the edges formed by each successive pair of
vertices.
B) A walk with distinct vertices.
C) A walk with distinct edges.
D) None of the above
（61）how many equal valuable relation does set E process?（ ）。
E= {0,1,2}
A) 3 B) 4 C) 5 D) 6
（62）Software Engineering Economy is an effective part of software engineering,
which of the following content is the research content of software engineering
economy?（ ）。
Ⅰ.Estimation of software development cost
Ⅱ.Earn & Cost analysis of software development
Ⅲ.Adjustment of software development progress
A) Ⅲ only B) Ⅱ and Ⅲ C) Ⅰ and Ⅱ D) all
（63）Which of the following statements is correct?（ ）。
A) The definition phase results in the Software Requirements Specification.
