software design is a (111) process．It requires a certain (112) of flair on the part of the designer.Design can not be learned from a book．It must be practiced and learnt by experience and’study of existing systems.A well (113) software system is straightforward to implement and maintain，easily (114) and reliable.Badly (115) software systems，although they may work are (116) 2 to be expensive to maintain，difficult to test and unreliable．

A．create

B．created

C．creating

D．creative

一般风险预警信号，主要包括（）。

A.企业外部环境风险预警事项

B.企业财务状况风险预警事项

C.企业内部经营管理风险预警事项

D.担保风险预警事项

E.企业及企业管理者信誉风险预警事项