问题描述：
[多选]
linux系统中，以下显示结果相同的是（）。
A．echo The current working path is $PWD．
B．echo The current working path is $PWD． Echo hello
C．echo "The current working path is $PWD．" Echo hello
D．echo The current working path is `pwd`．
E．cho Thcurrent working path is $PWD． Echo hello
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答案解析：无
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