Every day you answer questions-dozens, even hundreds of them. How do you find the answers to questions? How can you be sure your answers are correct? Scientists use questions to learn about things. Scientists have developed a way of helping make sure they answer questions correctly. It is called the scientific method. The scientific method can help you find answers to many of the questions you are curious about. What kind of food does your dog like best? Is your sister more likely to help you with your homework if you say please? Can throwing a dead snake over a tree branch make it rain? The scientific method can help you answer these questions and many others. Stephen Kramer's invitation to think like a scientist, illustrated by Felicia Bond's humorous and appealing pictures, will receive enthusiastic response from young readers, scientist and nonscientist alike.
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浏览了下,一般般。这里有在线版http://greenteapress.com/thinkcpp/thinkCScpp.pdf
评分浏览了下,一般般。这里有在线版http://greenteapress.com/thinkcpp/thinkCScpp.pdf
评分扫盲。
评分喜欢这个系列的书, 浅显易懂, 适合打发时间.
评分扫盲。
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