echo (45==45); echo' '; echo (45=="45"); echo " "; echo (45==="45"); 结果是
echo (45==45); echo' '; echo (45=="45"); echo " "; echo (45==="45"); 结果是
The normal echo of the spleen is ( ) A: Strong echo B: No echo C: High echo D: Moderate echo is slightly lower than liver
The normal echo of the spleen is ( ) A: Strong echo B: No echo C: High echo D: Moderate echo is slightly lower than liver
显示用户的主目录的命令是( )。 A: echo $HOME B: echo $USERDIR C: echo $ENV D: echo $ECHO
显示用户的主目录的命令是( )。 A: echo $HOME B: echo $USERDIR C: echo $ENV D: echo $ECHO
显示用户的主目录的命令是什么( )。 A: echo $HOME B: echo $USERDIR C: echo $ECHO D: echo $ENV
显示用户的主目录的命令是什么( )。 A: echo $HOME B: echo $USERDIR C: echo $ECHO D: echo $ENV
程序运行输出结果: <?php echo 12.3 % 5.2; echo 12 % 5; echo -12 % 5; echo -12 % -5; echo 12 % -5; ?>
程序运行输出结果: <?php echo 12.3 % 5.2; echo 12 % 5; echo -12 % 5; echo -12 % -5; echo 12 % -5; ?>
下列shell脚本中的case语句,语法正确的是() A: case $1 in 1) echo "Monday" ;; 2) echo "Tuesday" ;; *) echo "Input error" ;; B: case $1 in 1) echo "Monday" ; 2) echo "Tuesday" ; *) echo "Input error" ; C: case $1 in 1) echo "Monday" ;; 2) echo "Tuesday" ;; *) echo "Input error" ;; esac D: case $1 in 1) echo "Monday" ;; 2) echo "Tuesday" ;; *) echo "Input error" ;; end
下列shell脚本中的case语句,语法正确的是() A: case $1 in 1) echo "Monday" ;; 2) echo "Tuesday" ;; *) echo "Input error" ;; B: case $1 in 1) echo "Monday" ; 2) echo "Tuesday" ; *) echo "Input error" ; C: case $1 in 1) echo "Monday" ;; 2) echo "Tuesday" ;; *) echo "Input error" ;; esac D: case $1 in 1) echo "Monday" ;; 2) echo "Tuesday" ;; *) echo "Input error" ;; end
以下程序运行结果是: <?php echo ceil(0.6)." "; echo ceil(0.4)." "; echo ceil(5)." "; echo ceil(5.1)." "; echo ceil(-5.1)." "; echo ceil(5.9)." "; ?>
以下程序运行结果是: <?php echo ceil(0.6)." "; echo ceil(0.4)." "; echo ceil(5)." "; echo ceil(5.1)." "; echo ceil(-5.1)." "; echo ceil(5.9)." "; ?>
显示用户主目录的命令是什么? A: echo $HOME B: echo $USRDIR C: echo HOME D: echo $env
显示用户主目录的命令是什么? A: echo $HOME B: echo $USRDIR C: echo HOME D: echo $env
Linux系统中,如何在系统文档中找到关于echo这个命令的所有说明 A: man echo B: which echo C: locate echo D: apropos echo
Linux系统中,如何在系统文档中找到关于echo这个命令的所有说明 A: man echo B: which echo C: locate echo D: apropos echo
php输出拼接字符串正确的是( ) A: echo $a+”hello” B: echo a+ C: echo $a.”hello” D: echo ‘{$a}hello’
php输出拼接字符串正确的是( ) A: echo $a+”hello” B: echo a+ C: echo $a.”hello” D: echo ‘{$a}hello’