A.gd@163.corll
B.1243@qq.corn
C.gdafdsa%126.com
D. lasdfjkl#sohu.cm
[单选题]是正确的E-mail地址。A.Webmaster@ceiaec.orgB.Web master@ceiaec.orgC.https://www.ceiaec.orgD.https://www.ceiaec.org
[单选题]______是正确的E-mail地址。A.mailto:Webmasterl@ceiaec.orgB.Wmailto:masterl@ceiaec.orgC.https://www.ceiaec.orgD.https://www.ceiaec.org/
[单选题]______是正确的E-mail地址。A.mailto:Webmaster@ceiaec.orgB.Wmailto:master@ceiaec.orgC.https://www.ceiaec.orgD.https://www.ceiaec.org/A.B.C.D.
[单选题]是格式正确的E-mail地址。A.web master.rkb.gov.CnbB.webmasterrkb.gov.CnC.https:\\WlCc3q.Rkb.gov.CnD.https://www.Rkb.gov.Cn
[单选题]()是正确的E-mail地址。
[单选题]( )是正确的E-mail地址。A.mailto:Webmaster@ceiaec.orgB.Wmailto:master@ceiaec.orgC.h
[单选题]下列E-mail地址中,书写格式正确的是( )。A.zhangqiang@sina.com.cnB.zhangqiang,@sina.com.enC.zhangqiang@,sina.com.cnD.zhangqiangsina.com.cn
[单选题]下列E-mail地址合法的是( )A.shjkbk@online.sh.cnB.shjkbk.online.sh.cnC.online.sh.cn@shjkbkD.cn.sh.online.shjkbk
[单选题]下列E-mail地址合法的是( )。A.shjkbk@online.sh.cnB.shjkbk.online.sh.cnC.online.sh.cn@shjkbkD.cn.sh.online.shjkbk
[单选题]下列()是合法的E-mail地址。A . mnetwork@ecjtu.jx.cnB . online.jx.cn@mnetworkC . mnetwork.ecjtu.jx@onlineD . mnetwork.ecjtu.sh.c