按照车辆退役有关规定，哪类消防车使用12年的可以不强制报废？（_爱下问搜题

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问题单项选择题

按照车辆退役有关规定，哪类消防车使用12年的可以不强制报废？（）

A.登高平台消防车

B.抢险救援车

C.供气车

D.水罐或泡沫车

答案

参考答案：A

选择题

下列原子团的符号及化合价均没有错误的是（　　）

A．硝酸根NO₃-2价

B．碳酸根CO₃-1价

C．铵根NH₄+1价

D．硫酸根SO₃-2价

单项选择题

35．Applications put computers to pratical business (1) , but below the (2) it’s the heart of an operating system—the kernel that provides the technical wizardry to juggle multiple program, connect to networks and store (3) . A traditional kernal provides all the functions for applications. The kemal (4) memory, I/O devices and parcels out processor time.
The kernel also supports security and fault (5) , which is the ablity to recover automatically when parts of the system fail.

(3)

A．balance

B．growth

C．production

D．reduction