並前往http://md1.mdhs.tc.edu.tw/tp/teacher/TE1192/%E6%95%99%E5%AD%B8%E9%80%B2%E5%BA%A6/5.%20%E7%B5%B1%E6%B8%AC%E6%95%B8B%E8%80%83%E5%8F%A4%E9%A1%8C-Unit5%E6%8C%87%E6%95%B8%E8%88%87%E5%B0%8D%E6%95%B8%E5%8F%8A%E5%85%B6%E9%81%8B%E7%AE%97s.pdf
