题目内容

选择和使用防冻液时应注意()。

A. 更换了散热器、热交换器、缸盖、缸垫,则不可再用旧冷却液
B. 不同类型的防冻液可以混用
C. 在使用过程中,水蒸气蒸发后,应补充软水
D. 废弃的防冻液不可再次使用

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简述水的灭火作用和它的适应性。

A customer has a requirement for Disaster Recovery for compliance within their industry. Theyhave an RPO of 4 hours and an RTO of 24 hours. Cost is a consideration. What is the most costeffective DR implementation?()

A. a disk-to-disk backup solution keeping all storage in the data center
B. a backup solution that includes magnetic tape that is shipped to an off-site storage facility
C. a less powerful copy environment at a hot site with asynchronous mirroring and cluster technology
D. an exact copy of the primary environment at a hot site with remote mirroring and cluster technology

胃大部切除术后,输出段梗阻可有()。

A. 剑突下持续烧灼痛,进食后加重,抗酸剂无效
B. 进食后心悸、出汗、恶心、腹泻
C. 上腹部突发剧痛、频繁呕吐、不含胆汁
D. 上腹饱胀、呕吐食物和胆汁
E. 右上腹突发剧痛、局部有腹膜刺激征

球会董事会与球会高层管理者之间是()的关系

A. 管理与被管理
B. 承包经营
C. 委托代理
D. 决策与执行

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