客观存在是词义形成的根本依据,所以词义具有客观性。( )
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在软件项目中,技术风险威胁到要开发软件的质量及交付时间,而(49)不属于技术风险。
A. 采用先进技术开发目前尚无用户真正需要的产品或系统
B. 软件需要使用新的或未经证实的硬件接口
C. 产品的需求中要求开发某些程序构件,这些构件与以前所开发过的构件完全不同 D.需求中要求使用新的分析、设计或测试方法
When Jazz came into being at first, it soon became popular and was accepted by the upper-class.
A. Y
B. N
C. NG
After the baseball season the baseball fans may still talk over the scores and plays and get together to have some matches themselves.
A. Y
B. N
C. NG
A.Doctor and patient.B.Passenger and bus driver.C.Teacher and student.D.Customer and m
A. Doctor and patient.
B. Passenger and bus driver.
C. Teacher and student.
D. Customer and merchant.