document.write ("<b>ÉÏһƪ</b>£º<a href='/DocHtml/1/Article_20131223273.html'>Book 6_U1_Welcome to the unit.ppt</a><br><b>ÏÂһƪ</b>£º<a href='/DocHtml/1/Article_20138223271.html'>Book 6_U1_Grammar and usage.ppt</a>")