Which of the following paths holds all the device files of the system()
A. bin
B. dev
C. lib
D. root
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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
家畜骨连接的类型可以分为()
A. 纤维连接
B. 软骨连接
C. 脊柱连接
D. 滑膜连接
以下属于单关节类型的是()
A. 腕关节
B. 肩关节
C. 寰枢关节
D. 膝关节