问题详情

下列函数有界的是()


A、<img src=\""http:\/\/ccm2cdn.open.com.cn\/zyglpt\/PI\/EEBS\/2018\/1205\/PIjnjlgEEBS20181205152145460.png?Expires=3436154508&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=AsSNvS%2Buvomc4iWjhZKrMprkcSU%3D\"" title=\""图片.png\"" alt=\""图片.png\"">

B、<img src=\""http:\/\/ccm2cdn.open.com.cn\/zyglpt\/PI\/IACU\/2018\/1205\/PIsvdwaIACU20181205152158267.png?Expires=3436154523&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=zrH1pBKO7Un4sI8IY4m4%2FrGwajA%3D\"" title=\""图片.png\"" alt=\""图片.png\"">

C、<img src=\""http:\/\/ccm2cdn.open.com.cn\/zyglpt\/PI\/KGIA\/2018\/1205\/PIpziubKGIA20181205152211409.png?Expires=3436154534&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=y5A8hRmcwmpQ6OnY0lj5v89STsA%3D\"" title=\""图片.png\"" alt=\""图片.png\"">

D、<img src=\""http:\/\/ccm2cdn.open.com.cn\/zyglpt\/PI\/JETM\/2018\/1205\/PIeeqikJETM20181205152220995.png?Expires=3436154544&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=Ue2RnhDNPENIKUBIuEdlJQq3aT4%3D\"" title=\""图片.png\"" alt=\""图片.png\"">

时间:2021-07-17 18:30 关键词:

答案解析

B