随机变数的平均数

英语博客：Lake Chelan.

A change is as good as a rest is a common saying in England. And that's what I've been having. It's summer, the children are out of school, our routine is up in the air(1), and we've been getting out of town. Have you noticed? I haven't been talking

发表于:2018-12-06 / 阅读(146) / 评论(0)

英语博客 A cup of English

北师大版高中英语模块11--Unit31(2)-4

[00:01.45]3 a) Answer as many of the questions [00:05.49]on the recording as you can. [00:07.47]Write the answers in a random order [00:09.55]on a piece of paper, [00:11.08]not in the same order as in the recording. [00:16.30]1. Write down the name o

发表于:2018-12-13 / 阅读(195) / 评论(0)

北师大版高中英语模块11(选修)

爆笑英语口语第119期:在美国不要干的事!

Language Points 1.call out random numbers when someone is counting. 2.don't use punctuation. 3.reply to a long chat message with a k. 4.talk in a baby voice 5.click a ballpoint pen continuously 6.borrow someone's pen and then chew it 7.after taking a

发表于:2018-12-26 / 阅读(195) / 评论(0)

爆笑英语口语

2010年ESL之日常生活 06 Guessing a Number

06 Guessing a Number GLOSSARY contest a competition; an event where many people participate to try to winsomething * The contests first-place winner will win a new car, and the second-place winnerwill win a new bicycle. guess an answer that one provi

发表于:2018-12-26 / 阅读(228) / 评论(0)

2010年ESL之日常生活

英语沙龙:Random Thoughts-Party

Random1) Thoughts-Party Last night,pressured by well－intentioned friends,for the first time in months,I came out of writers seclusion and attended a cocktail party which is another word for a social gathering.So there I was,trapped in a crowded roo

发表于:2019-01-01 / 阅读(234) / 评论(0)

英语沙龙

Random acts of kindness

Jennifer: Hello and a very warm and friendly welcome to the first 6 Minute English of 2013. My name is Jennifer and with me in the studio for today's programme is Callum. Happy New Year! Callum: Hi Jen - happy New Year! Jennifer: Have you made any Ne

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六分钟英语

SSS 2008-08-08

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Ever been woken up by the sound of the refrigerator compressor kicking on? Well, such clumsy heat exchange units featuring long metal coils may be on their way out. Becaus

发表于:2019-01-08 / 阅读(158) / 评论(0)

Scientific American(八)月

SSS 2008-03-19

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Ants are known for working together, operating as a unit for the good of the colony. But not so fast, say researchers from the Universities of Leeds an

发表于:2019-01-08 / 阅读(200) / 评论(0)

Scientific American(三)月

VOA标准英语2010年-More US Companies Refuse to Hire Smoke

Americans who smoke are beginning to feel unwanted as federal laws prevent them from smoking in public buildings The World Health Organizations says smoking is considered a high risk factor in six of the eight leading causes of death worldwide. Medic

发表于:2019-01-08 / 阅读(144) / 评论(0)

VOA标准英语2010年(二月)

VOA慢速英语2009年-Economics Report - Nobel Recognizes Resear

This is the VOA Special English Economics Report. Economists usually study markets. Now, two Americans have won the Nobel Prize in economics for not studying markets. They will share almost one and a half million dollars for their analysis of econom

发表于:2019-01-11 / 阅读(168) / 评论(0)

VOA慢速英语2009年（十）月

女生找老公的30个标准：每条都不能赞同更多

1. Makes you feel safe 1.安全感 2. Completely trusts you 2.完全信任你 3. Truly appreciates everything you do 3.完全感激你做的一切 4. Is a good laugh 4.好玩有意思 5. Says 'I love you' when he feels it 5.感到爱你的时候就表达

发表于:2019-02-01 / 阅读(126) / 评论(0)

阅读空间

每日一词【891】random：随机、任意的

今天我们要学的词是random。 Random, 是随机、任意的意思。The firefighters have to undergo a random drug test once a year, 消防队员每年要接受一次是否服用毒品的抽查。The boxer refused to submit random blood tests

发表于:2019-02-03 / 阅读(143) / 评论(0)

英语每日一词

学个词Learn a Word 第891期 Random

发表于:2019-02-03 / 阅读(128) / 评论(0)

英语单词荟萃

29 Ways to Carry Out Random Acts of Kindness Every Day

29 Ways to Carry Out Random Acts of Kindness Every Day The time has come when we cannot just rely on others to make the world a better place each one of us has to do our bit. It is therefore time for people to be more and more aware about their Perso

发表于:2019-02-07 / 阅读(149) / 评论(0)

阅读空间

大纲重点词汇复习

第一讲a-c, 第二讲d-h, 第三讲i-o, 第四讲p-s, 第五讲t-z 词汇复习第一讲a-c 1. 识记词汇 1. Some of the old traditions have been ____ as time goes by. [A] abandoned [B] abolished [C] absorbed [D] abused 2. You cant gain ____ to t

发表于:2019-02-13 / 阅读(144) / 评论(0)

实用英语

生活中常见的8个习俗精讲

Youre talking to your native English-speaking friend about your recent breakup and how depressed you are when suddenly he turns toward you and says Dont worry about it man, girls like that are a dime a dozen! You then stare at your friend in confusio

发表于:2019-02-19 / 阅读(115) / 评论(0)

英语口语

英语口语：生活中常见的8个习俗精讲

发表于:2019-02-19 / 阅读(123) / 评论(0)

英语口语

听播客学英语 32 没关系

You have probably come across the English word matter. It is one of those difficult words that seem to mean different things in different contexts. An easy way to learn words like this is to memorise a few common expressions which contain them, and t

发表于:2019-02-19 / 阅读(132) / 评论(0)

听播客学英语

托福常用词汇表

发表于:2019-02-25 / 阅读(165) / 评论(0)

英文语法词汇

英文摇滚歌曲：Random Eyes - Tell me

Can you see it in my eyes? The emptiness Looking for a reason Is it time for the last goodbye? What if I don't know this game? What if I don't care? What if I want to know the reason why? Tell me Do you still believe The sun will rise again? To hold

发表于:2019-03-02 / 阅读(257) / 评论(0)

英文摇滚歌曲

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calibration current of reference ballast