正确答案: C

扑灭电器、图书档案等火灾最适宜的灭火器是液态二氧化碳灭火器

题目:学习化学的目的并不在于要成为化学家,重要的是善于用化学知识去分析、解决生产生活中的问题。从化学的角度看,下列说法中正确的是

解析:C

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举一反三的答案和解析:

  • [单选题]Dannydidallkindsofthingstomakethebaby______.
  • stopcrying


  • [单选题]24. The sentence "Your answers are welcome. " means " ________ ".
  • You are welcome to discuss the questions with us

  • 解析:24.A【解析】倒数第二段提出了两个问题,可见最后一段话是为了让读者参与讨论.

  • [单选题]BThe world is not only hungry,it is also thirsty for water. this may seem strange to you,since nearly 75% of the earth is covered with water. But about 97% of this water is sea water.Man can only drink and use the other 3% fresh water that comes from rivers,lakes,under-ground and other places. And we cannot even use all of that,because some of this fresh water has been made dirty.
  • The amount of fresh water is really very small.

  • 解析:26.A【解析】由第一段的描述可知,人类只有3%的、 淡水可以利用。

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