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『资料评论』  点击这里发表或查看更多评论 好评率:- 差评率:100.00%
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 □ hao hexiangj <11-18 22:19>
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 □ [差评]注意,内容不是物质的量的,是物质分类的,是上传错了吗,我白花了3个点数1.碳酸钠在生产生活中应用广泛,它属于 A.酸 B.碱 C.盐 D.氧化物2.下列有关物质的分类正确的是 A.混合物:空气、矿泉水、水银 B.碱:BaOH2、Cu2OH2CO3、NH3·H2OC.盐:硝酸钠、氯化铵、纯碱 D.氧化物:H2O、#8194Csrtao <11-4 16:22>
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 □ 使用blddlb <9-2 15:7>
"; document.write(htxt); function sendhp() { $.get("http://www.e-huaxue.com/sendgoodbad.asp", { id: "30384515", gb: "g" }, function(data){ viewpp(data); }); } function viewpp(data) { if(data.substring(0,3)!="err") { var dpsj = data.split(","); var good = parseInt(dpsj[0]); var bad = parseInt(dpsj[1]); $("#hpp").html(GetPercent(good,good+bad)); $("#cpp").html(GetPercent(bad,good+bad)); } else { alert("只有下载过此资料的会员可以发表评价!"); } } function GetPercent(num, total) { num = parseFloat(num); total = parseFloat(total); if (isNaN(num) || isNaN(total)) { return "-"; } return total <= 0 ? "-" : (Math.round(num / total * 10000) / 100.00 + "%"); } function sendcp() { $.get("http://www.e-huaxue.com/sendgoodbad.asp", { id: "30384515", gb: "b" }, function(data){ viewpp(data); }); }