题目内容

Which of the following is not included in the GNU toolchain()

A. GCC
B. GDB
C. LD
D. IDE

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When compiling a program with gcc, which of the following opens all warnings()

A. -w
B. -O
C. -g
D. -Wall

采用新方法测量铁含量时得到8个数据,采用t检验法计算得到的t值是1.67,而选定显著性水平为0.05时查表得到的t值是2.31,采用新方法是否引起了系统误差()

A. 没有
B. 是
C. 不能判断
D. 可能

1 一纳米等于()m

A. 十的负五次方
B. 十的负七次方
C. 十的负九次方
D. 十的负十一次方

Which of the following abbreviations is used to implement the breakpoint function of gdb()

A. n
B. i
C. b
D. l

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