多项选择题

6 Android服务分为哪两种，从提供者的角度？

A．网络服务
B．自定义服务
C．硬件服务
D．系统服务

<上一题目录下一题>

热门试题

单项选择题

According to the writer, what is causing the 'torment of e-mail' (ParA.5) described in reports?A.The persistence of advertisers.B.Problems caused by computer viruses.C.The attitude of those receiving e-malls.D.Lessons learnt from dealing with junk mall.

A.5)
B.The
C.
B.Problems
D.
C.The
E.
D.Lessons
F.

单项选择题

公开招标中发布招标公告的时间不得少于（）日。 A 3 B 4 C 5 D 6

相关试题