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d.innerHTML = d.innerHTML + '<a class=\"download_word download_word_lb\" href=\"javascript:;\" id=\"vipdown\" onclick=\"showpay(2)\"><div class=\"download_card\"><div class=\"card_nr card_nr_lb\"><h4 class=\"card_bt\">生物与环境的基本关系</h4><div class=\"download_card_msg\">2　区域发展生态学基础 
&ensp;&ensp;&ensp;&ensp;阅读或者研究区域发展生态学的人员最好能具备生态学基础知识。 
2.1　生态学既是自然科学，又要重视其社会、文化与哲学含义 
2.1.1　经典生态学是一门自然科学 
&。下面小编给大家分享生物与环境的基本关系，希望能帮助到大家。 生物与环境的基本关系文档下载网址链接：</div></div><div class=\"download_card_btn download_card_btn_lb\"><div class=\"content_box_tj\"><span>推荐度：</span><img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\"></div><div class=\"downlod_btn_right demo_tc downlod_btn_right_lb\"><em class=\"downlod_icon\"></em>点击下载文档<span>文档为doc格式</span></div> </div></div></a>';
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