<?php
$arr = file("word/food.txt");
mt_srand((double)microtime()*1000000);
print $arr[mt_rand(0,count($arr)-1)];
?>に気をながら有酸素<?php
$arr = file("word/exercise.txt");
mt_srand((double)microtime()*1000000);
print $arr[mt_rand(0,count($arr)-1)];
?>と無酸素<?php
$arr = file("word/exercise.txt");
mt_srand((double)microtime()*1000000);
print $arr[mt_rand(0,count($arr)-1)];
?>を<?php
$arr = file("word/keep.txt");
mt_srand((double)microtime()*1000000);
print $arr[mt_rand(0,count($arr)-1)];
?>していけば、<?php
$arr = file("word/diet.txt");
mt_srand((double)microtime()*1000000);
print $arr[mt_rand(0,count($arr)-1)];
?>は完璧という感じです。