哪一年,美国人以栈桥连陆方式在加利福尼亚距海岸200多米处打出了第一口海上油井,它标志着海上石油工业的诞生?()
A. 1896
B. 1906
C. 1916
D. 1936
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在判断导线的控制条件时,所使用的档距是()
A. 控制档距
B. 临界档距
C. 允许档距
D. 代表档距
目前,天然石材饰面板的常用施工方法是干挂安装法o
A. 正确
B. 错误
在F[x]中,(x-3)2=x2-6x+9,若将x换成F[x]中的n级矩阵A则(A-3I)2=A2-6A+9I.
A. 正确
B. 错误
What best explains why the banking industry is ready to take advantage of an integrated network infrastructure?()
A. Many banks are still connecting via dial-up.
B. Many banks need to consolidate departments and resources.
C. Many banks find themselves with an obsolete branch infrastructure.
D. Many banks need back-office process streamlining.