漫漫求水路 英文原版小说 A Long Walk to Water 治愈 励志 苦难与希望的交错人生 青少年课外阅读 纽约时报畅销书

内容简介 From the creator of the wildly popular webcomic xkcd comes this hilarious and informative book of answers to important questions you probably never thought to ask. Millions of people visit xkcd.com each week to read Randall Munroe's iconic webcomic. His stickfigure drawings about science, technology, language, and love have a large and passionate following. Fans of xkcd ask Munroe a lot of strange questions. What if you tried to hit a baseball pitched at 90 percent of the speed of light? How fast can you hit a speed bump while driving and live? If there were a robot apocalypse, how long would humanity last? In pursuit of answers, Munroe runs computer simulations, pores over stacks of declassified military research memos, solves differential equations, and consults with nuclear reactor operators. His responses are masterpieces of clarity and hilarity, complemented by signature xkcd comics. They often predict the complete annihilation of humankind, or at le

Harry Potter is lucky to reach the age of thirteen, since he has survived the murderous attacks of the feared Dark Lord on more than one occasion. His hopes for a quiet school term concentrating on Quidditch are dashed, though, when a maniacal mass-murderer escapes from Azkaban, pursued by the soul-sucking Dementors who guard the prison. It's assumed that Hogwarts is the safest place for Harry to be. But is it his imagination that is making him feel eyes watching him in the dark, and should he be taking Professor Trelawney's ghoulish predictions seriously? These new editions of the classic and internationally bestselling, multi-award-winning series feature instantly pick-up-able new jackets by Jonny Duddle, with huge child appeal, to bring Harry Potter to the next generation of readers. It's time to PASS THE MAGIC ON .,

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learn&master系列专门用来巩固提高知识点，以简答题为主，单项训练配合。没有压力感的刷题模式，提高小朋友解题效率。每个主题有3个练习部分：1、认知概念 让小朋友认识数学概念，并对数学概念逐步理解。2、理解问题 通过考试式的习题，强化所学的概念并深化它们。3、拓展思维 拓展分析能力，思考能力解决更具有挑战性的问题。4、答案详解 配备详细解题答案，让孩子更加清晰知道解题思路。