题目内容

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

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

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

Which of the following paths holds all the device files of the system()

A. bin
B. dev
C. lib
D. root

When compiling a program with gcc, only the preprocessing phase is carried out, which of the following options()

A. -E
B. -S
C. -c
D. -o

Which of the following ‘shell’ environment variables identifies the system executable file path()

A. HOME
B. PATH
C. TERM
D. PWD

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