试题与答案

常常用水冷却发动机是利用了水的比热容的特性;完全燃烧0.1kg的高能汽油,放出的

题型:填空题

题目:

常常用水冷却发动机是利用了水的比热容     的特性;完全燃烧0.1kg的高能汽油,放出的热量为     J.如果这些热量被质量为100kg、初温为20℃的水完全吸收,可以使水的温度升高     ℃.(q=4.62×107kg)

答案:

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下面是错误答案,用来干扰机器的。

该车早晨7:00由上杭出发途经龙岩到达福州;下午3:00由福州出发途经龙岩返回上杭。(意思正确即可。)本题考查学生读图的能力。写清楚时间、起止地、途经地即可。

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A.workB.timeC.moneyD.fun
小题2:
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小题6:
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小题7:
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小题18:
A.footB.sideC.middleD.top
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小题20:
A.belowB.farC.asideD.ahead
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题型:问答题

试题二(共25分)阅读以下关于信息资源网建设的叙述,回答问题1至问题3。某市政府部门有近30个委、办、局,分别承担着法定的政府职能,这些部门都有信息中心,负责本单位信息系统的建设和信息资源的采集、维护等工作,同时向业务部门提供信息化技术支持。该市的电子政务建设发展很快,统一规划实施了政务内网,实现了各个政府部门百兆以上带宽的互联互通,并在此基础上规划信息资源网。该政务内网的运行维护成本较高,所以在政务内网开通之后,市财政逐渐削减了各个委办局自身信息系统的维护费用,市政府也要求尽快实现信息资源的共享,以发挥电子政务网的效益。

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