<dir id='0xgke'><del id='0xgke'><del id='0xgke'></del><pre id='0xgke'><pre id='0xgke'><option id='0xgke'><address id='0xgke'></address><bdo id='0xgke'><tr id='0xgke'><acronym id='0xgke'><pre id='0xgke'></pre></acronym><div id='0xgke'></div></tr></bdo></option></pre><small id='0xgke'><address id='0xgke'><u id='0xgke'><legend id='0xgke'><option id='0xgke'><abbr id='0xgke'></abbr><li id='0xgke'><pre id='0xgke'></pre></li></option></legend><select id='0xgke'></select></u></address></small></pre></del><sup id='0xgke'></sup><blockquote id='0xgke'><dt id='0xgke'></dt></blockquote><blockquote id='0xgke'></blockquote></dir><tt id='0xgke'></tt><u id='0xgke'><tt id='0xgke'><form id='0xgke'></form></tt><td id='0xgke'><dt id='0xgke'></dt></td></u>
  1. <code id='0xgke'><i id='0xgke'><q id='0xgke'><legend id='0xgke'><pre id='0xgke'><style id='0xgke'><acronym id='0xgke'><i id='0xgke'><form id='0xgke'><option id='0xgke'><center id='0xgke'></center></option></form></i></acronym></style><tt id='0xgke'></tt></pre></legend></q></i></code><center id='0xgke'></center>

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      1. 社会义务