00-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
textjavascript"
id="
op_-754321868"
>
(adsbyoupeng=window.adsbyoupeng||[]).push({slot:-754321868,close_btn:off});
(function(){
vardoc=document,h=doc.getelementsbytagname(head)[0],s=docreateelement(script);
s.async=true;s.src=http:r.bxb.oupengscriptadsbyoupeng.js;
h&&h.insertbefore(s,h.firstchild)
})()
(第1页)
请关闭浏览器阅读模式后查看本章节,否则将出现无法翻页或章节内容丢失等现象。