並前往http://www.svcs-us.org/joomla/images/6_1_homework/wk1/%E6%BC%A2%E8%AA%9E%E6%8B%BC%E9%9F%B3%E8%88%87%E6%B3%A8%E9%9F%B3%E7%AC%A6%E8%99%9F%E5%B0%8D%E7%85%A7%E8%A1%A8.pdf