如下图所示的事例中,通过热传递的方式改变物体内能的是

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问题:

如下图所示的事例中,通过热传递的方式改变物体内能的是

考点:内能的概念
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数据流程图的四个基本组成要素是数据加工、数据存储、数据流和______。

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Water is (41) important of all the things we (42) and drink. Not many people understand this, (43) it’s quite true. The human body (人体) can go (44) food for a long time, but two (45) three days without water can usually (46) people die.
Many people don’ t understand how much water the human body needs to work well and many people do not drink (47) , even (48) hot weather.
Our body is (49) water, about 65% to 75%, ff we do not have enough water, we’ll (50) tired and many will get ill. So you see, how important water is to us all.

[A] very [B] more [C] the most

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关于超常儿童的研究中最为著名的研究是()

A.弗里曼的研究

B.加登纳的研究

C.罗宾森的研究

D.特曼(Terman)的研究

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信托基金、社会保障基金以及证券投资基金等特定用途的资金都可以开立专用存款账户。 ( )

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CRH2型动车组一、二级检修作业时,侧窗玻璃更换()内,禁止洗车。

A、36h

B、24h

C、42h

D、48h

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