题目内容
太阳辐射能主要集中在 [ ]
2021-08-15
A.红外光区
B.紫外光区
C.波长大于0.76微米的可见光区
D.可见光区
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='18580' and id < 1593798 and id<>'1593798' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='18580' and id > 1593798 and id<>'1593798' order by id asc limit 5