最小平方法

by Jason Marshall The last article about how to use math to send encrypted messages ended with a bit of a cliffhanger. The good news is that you will soon find out how the story ends. But, as I warned last time, the bad news is that that isnt going t

发表于:2018-12-07 / 阅读(70) / 评论(0) 分类 数学英语

[ti:UNIT 2 On the Train Lesson 13] [0:00.469]UNIT 2 [0:01.946]On the Train [0:03.474]Lesson 13 [0:05.506]What Are You Doing? [0:08.091]THINK ABOUT IT! [0:10.267]What is your favourite game? [0:12.886]Why? [0:14.364]Do you like babies? [0:16.560]Why o

发表于:2018-12-13 / 阅读(141) / 评论(0) 分类 河北教育初中英语(初中起点)七年级下册

Patterns 模型 A pattern has lines or shapes, and it is a kind of design. 模型有线条或形状,是一种设计。 Where can we find a pattern? 我们从哪里能找到模型呢? Think about a chessboard. 想想棋盘吧。 The chessboard has

发表于:2018-12-13 / 阅读(48) / 评论(0) 分类 与美国小学生一起学英文第6册

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(115) / 评论(0) 分类 Scientific American(二)月

Let's learn how to play the game of checkers. Two players choose one color of the round disks known as checkers. In this particular game, the checkers are red and black. There are 12 black checkers and 12 red checkers. The checker board consists of 6

发表于:2018-12-28 / 阅读(49) / 评论(0) 分类 中级类英语听力

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(410) / 评论(0) 分类 2017年VOA慢速英语(六)月

UNIT 17 How Many Squares Are There?\n [au:]第17单元 有多少个正方形?\n [00:07.50]Dialogue\n [au:]对话\n [00:09.70]Look and listen. Then read and act in groups.\n [au:]看和听。然后分组朗读和表演。\n [00:15.63]Mr Chen: How ma

发表于:2019-01-09 / 阅读(189) / 评论(0) 分类 广州版金太阳小学英语三年级上

UNIT 18 Lets Go Further\n [au:]第18单元 拓展学习\n [00:04.56]Story Time\n [au:]故事时间\n [00:06.94]Look and listen. Then read and act out the story.\n [au:]看一看,听一听。然后朗读和表演这个故事。\n [00:12.86]Mr Leo: L

发表于:2019-01-09 / 阅读(165) / 评论(0) 分类 广州版金太阳小学英语三年级下

[00:06.69]Unit 4 [00:08.29]What a big school! [00:11.10]Lesson 24 [00:13.43]Revision [00:15.79]Listen, Read and Say [00:18.95]Look! This is my school. [00:21.88]There are three buildings in it. [00:24.15]The tallest one is the teaching building. [00:

发表于:2019-01-09 / 阅读(129) / 评论(0) 分类 快乐英语第六册

[ti:UNIT 5 Li Ming Goes to Canada Lesson 37] [0:00.707]UNIT 5 [0:02.295]Li Ming Goes to Canada [0:04.909]Lesson 37 [0:07.118]Mr. Wood's Lesson [0:09.734]THINK ABOUT IT! [0:11.283]What is the weather like in your city today? [0:15.000]What is the temp

发表于:2019-01-09 / 阅读(196) / 评论(0) 分类 河北教育初中英语(初中起点)七年级下册

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver

发表于:2019-01-11 / 阅读(168) / 评论(0) 分类 英汉幽默故事选读

By Carol Pearson Washington 08 January 2008 New technology makes surgery safer, shortens recovery time and leaves no scars. Both physicians and patients are pleased with the results. VOA's Carol Pearson has more. Maria Viruet recently had her gallbla

发表于:2019-01-31 / 阅读(118) / 评论(0) 分类 VOA标准英语2008年(一月)

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver handle the situation, we wondered. Straight-faced,

发表于:2019-02-03 / 阅读(102) / 评论(0) 分类 趣味英语

并不只有汉语才会把形状变成我好方这类的习语的(这并不是习语好嘛!) 方,square,在英语里的出镜率可是高得惊人呢。 今天,双语君就来盘点一下英语里那些让人方了的表述。 Square 方形 to

发表于:2019-02-04 / 阅读(57) / 评论(0) 分类 英文语法词汇

The latest app that's sweeping the web is the fiendishly addictive, and surprisingly difficult, Kuku Kube. 最新颜色辨识应用程序Kuku Kube正在席卷网络,它像恶魔般使人上瘾,并且难度惊人。 It has been designed to put you

发表于:2019-02-04 / 阅读(59) / 评论(0) 分类 阅读空间

在新托福阅读的考查中,每篇文章必会出现一类题,叫做Insert Text Questions,即插入句子题(简称插入题)。考试中,考生会遇到一句话,问该句插入文中哪里最合适。如下面例题: The raising of l

发表于:2019-02-13 / 阅读(69) / 评论(0) 分类 托福英语

And in the local square, what would we see. 在广场上,我们会看到一些景象。 Well, in western countries often you won't see anyone other than young people, 在西方国家,我们通常不会在广场上看到年轻人以外的任何人,

发表于:2019-02-13 / 阅读(54) / 评论(0) 分类 TED演讲国际问题篇

This accomplished, however, he turned round-when, good heavens; what a sight! Such a face! 不过,他把绳子解开后,转过脸来,啊,老天爷;多怕人呀!这样一张脸! It was of a dark, purplish, yellow color, here and there stuck over with

发表于:2019-02-17 / 阅读(43) / 评论(0) 分类 白鲸记

Even as it was, I thought something of slipping out of the window, but it was the second floor back. 就在这种情况下,我还是想要从窗口跳出去,可是,窗子是开在二层楼的后背,没法跳。 I am no coward, but what to make of thi

发表于:2019-02-17 / 阅读(58) / 评论(0) 分类 白鲸记

知识点讲解: 1、中文意思一样 insist persist 2、两个词长得像 special specialty 3、长得像+中文意思一样 technique technology ① Technique 方法、技巧 Hes a great basketball player. He has flawless technique. 他是位很

发表于:2019-02-21 / 阅读(85) / 评论(0) 分类 每天三分钟学英语
学英语单词
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ante post
appendices epoophori
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auxiliary unit budget
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be amazed at
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Democracin
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Guichón
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Polcortolon
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Venezuelan monetary unit
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wind erosion prediction model
y-chromosome