The chimney vomited a cloud of smoke.

[问答题]He stopped to smoke.

[单选题]C．loud computing is a type of Internetbased computing that provides shared computer processing resources and data to computers and other devices on demand. Advocates claim that cloud computing allows companies to avoid upfront infrastructure costs. C

[名词解释] 昙点（cloud point）

[试题]At a basic level, cloud computing is simply a means of delivering IT resources as (71).Almost all IT resources can be delivered as a cloud service: applications, compute power, storage capacity, networking,programming tools,even communication services

[试题] At a basic level, cloud computing is simply a means of delivering IT resources as(71) Almost all IT resources can be delivered as a cloud service: applications, compute power, storage capacity, networking, programming tools, even communication servic

[试题] At a basic level, cloud computing is simply a means of delivering IT resources as（71）．Almost all IT resources can be delivered as a cloud service: applications, compute power, storage capacity, networking, Programming tools, even communication servic

[判断题] LVCC（Lenovo Virtual Cloud Client Solution）是由联想自主研发的终端到云端一体化的企业云计算解决方案。A . 正确B . 错误

[单选题]The fire _______ a lot of smoke but little damage was done.A． gave awayB． sent offC． sent upD． gave off

[单选题]The smoke [obscured]the moon.A.darkenedB.heldC.blackenedD.prevented

[单选题]The smoke [obscured]the moon.A.darkenedB.heldC.blackenedD.prevented