毛泽东探索中国社会主义道路的重要意义是()
A. 标志着中国共产党开始摆脱单一的苏联模式
B. 开始寻找独立自主的适合中国国情的社会主义建设道路
C. 探索中正确的、有价值的思想观点和创造性的思考成为毛泽东思想的重要组成部分和中国人民的宝贵精神财富
D. 对我国社会主义建设取得很大成就起了指导作用
安全裕度的数值通常由被测零件的尺寸公差确定,一般取零件公差范围的10%,对于计量器具的不确定度u1,标准规定为u1=()A。
A. 0.90
B. 0.85
C. 0.95
D. 0.94
Application A holds an Update lock on a single row and application B is trying to read that row. If both applications are using isolation level UR, which of the following will occur?()
Application B will read the row.
B. Applications A and B will cause a deadlock situation.
C. Application B will wait until application A releases the Update lock.
D. Application A will be terminated so that application B can read the row.
A customer has an existing IBM System Storage DS8700 2-way model with 8 mega packs of 300 GB disks and 16 fibre ports. How many additional fibre ports and mega packs can be installed in the base frame()
A. 16fibre ports and 0 mega packs
B. 4fibre ports and 8 mega packs
C. 8fibre ports and 4 mega packs
D. 12fibre ports and 0 mega pack