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内容简介

A scintillating survey of sensational serpents, from blood-spewing West Indian boas to " flying" golden tree snakes.

One of the Step into Reading series, Penner's book offers the attraction of reading about a nonbabyish topic in an easy-to-read format. There are some flaws: the illustrations are only loosely related to the text and are not given geographical context, and the generalization "Mother snakes don't take care of their babies" is made to seem a "character" flaw. Still, the subject is bound to attract kids, and beginning readers will gain a sense of accomplishment from the reading as well as an increase in their knowledge of the subject.

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精彩书评

This slim introduction offers barely enough information to whet one's appetite. Penner opens with a brief explanation of how an Indian snake charmer "charms" a cobra, and alludes to snakes in mythology and ancient history. The minimal text then describes some of the major physical and behavioral characteristics common to all snakes?diet, various hunting and feeding methods, birth of young?and special characteristics of assorted species. Full-color drawings of 30 representative species from around the world accompany each page of text. While they are adequate depictions, those of humans are mediocre; most of the children look like short adults. Although the book is clearly written, it suffers from poor organization; topics are addressed in random order. Also, the coverage is superficial. Descriptions of anatomy, methods of locomotion, and growth and development are particularly sketchy. Patricia Lauber's Snakes Are Hunters (Crowell, 1988) and Seymour Simon's Snakes (HarperCollins, 1992) provide more in-depth information on the same subject; the latter title also offers superb photography that gives a truer sense of the nature of snakes.
--Karey Wehner, San Francisco Public Library
S-S-snakes! (Step into Reading， Step 3)[进阶阅读3：印度巨蛇] 英文原版 [平装] [5岁及以上] 电子书 下载 mobi epub pdf txt

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2。逆香农的信息定义

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非常适合少儿看的英语读物，很可爱，还很生动

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很好很好

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表征，需要至少二要素，一是对象，如事物或属性，文字，图形等－－客观，客体；二是脑，加工机器，品质不同、层次不同，加工制造（模仿还是创造）出产品不同－－真品和仿制品的差异。合计就是信源+信宿。表征的同一性差，不同的主体，对相同的客体会有差异极大的分歧，异议。

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其二，反映与标志、标识比较，定义域，内涵外延小一些。

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Wiener信息定义的逆：信息就是信息，信息是物质、能量、信息的标示。

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对于喜欢蛇的小朋友，这本书无疑是非常适合的

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满减买的，比书店便宜好多，越来越习惯于京东购物了。

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非常好的原版书，值得购买

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