单项选择题
A. Risk identification
B. Purchasing insurance
C. Assessment of outcomes
D. Assessment of probabilities
单项选择题 ( )is not the advantage of GERT (Graphical evaluation and review techniques)as compared with PERT (project evaluation and review techniques).
单项选择题 The length of the IPv6 address is ( ).
单项选择题 A ( )is a software that provides a method of communication between two electronic devices over the World Wide Web.