日语2级是个什么程度?等级是怎么算的?

页面:/news/view-2150143/ | 耗时:0.9404 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2150143 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2150143 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2150143 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1117834,1457121,1303802,970476,1275211,1104491,1118402,1090068,1089199,1096565,1170864,721937,490398,1122154,3512680,1304861,715395,1100615,1106922,1098681,1096651,1122419,3224742,2028196,1122236,1102750,1113111,1092408,738190,2218235) ORDER BY field (ArticleID,1117834,1457121,1303802,970476,1275211,1104491,1118402,1090068,1089199,1096565,1170864,721937,490398,1122154,3512680,1304861,715395,1100615,1106922,1098681,1096651,1122419,3224742,2028196,1122236,1102750,1113111,1092408,738190,2218235)