单词:meter-kilogram-second-apmere system of unit
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UNIT 5 Overcoming Obstacles Part I Pre-Reading Task Listen to the recording two or three times and then think over the following questions: 1. What happened to the singer? 2. What helped her pull thro
Unit 9 DIALOGUE I If I Had the Chance to Travel in Space A: If I had the chance, I would take a trip through the entire solar system. It's been my long-cherished dream since childhood to be able to vi
by Jason Marshall We use a lot of math words in our day-to-day lives without really understanding what they mean or where they come from. For example, prefixes like mega, giga, and tera that we use to describe computer hard drive sizes (think megabyt
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
For nearly 130 years, the worlds scientists have used a singular small, metal cylinder to define the exact weight of a kilogram. But that is about to change. The cylinder was made in 1889 of platinum and iridium metals. It is called the Grand K. The
Unit 3 Text A Pre-reading Activities 1. Before you listen to the passage, predict the words that are missing in the printed version of the passage. Then when you hear the passage, mark where you hear
UNIT 17 The Vegetables and Fruits We Need\n [au:]第十七单元 我们需要的蔬菜和水果\n [00:06.78]Dialogue\n [au:]对话\n [00:09.21]1 Look and read the dialogue. Then complete the dialogues.\n [au:]1 看一看、读一读对话。然后完成
[00:01.75]Unit 11 Story [00:05.96]Let's make a cake. [00:09.41]Read me the recipe,Mocky. [00:11.92]What do we need? [00:13.85]We need flour,eggs,milk,sugar and butter. [00:19.74]Tell me the first step. [00:23.04]Put three kilograms of flour into a bo
一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 ir-(放在同辅音词根前)表示不,无 irrational = ir + rationa
A North Korean cheering squad was making the rounds at the Pyeongchang Winter Olympics on February 10, 2018, attracting a lot of interest. The cheering squad has been seen supporting the athletes in the men's short track speed skating 1,500 meter pre
unit 103 付停车费 dialogue 英语情景对话 A:Sorry to bother you, but do you have change for a one? A:对不起打扰了,能换一元的零钱吗? B:I'll have to look. What do you want it for? B:我得看看。你要用来做什么? A:I
[00:00.00]Exercise 1.3 [00:11.00]Work it out [00:12.55]I can do the high jump. [00:15.15]You can run fast. [00:18.29]He can throw the shot put. [00:21.27]She can do the long jump. [00:24.34]I cannot do the high jump. [00:27.32]I cannot do the 1500-me
[00:02.45]Unit 5 Sports and Games [00:07.48]Lesson 17 [00:12.21]Exercise 1.1 [00:15.21]For boys ,there are ten events over two days. [00:19.46]On the first day there is the 100-meter race, [00:23.77]the long jump, the shot put, the high jump and [00:
[00:00.22]Unit 4 Food [00:05.37]Lesson 15 [00:09.63]Exercise 1.2 [00:13.40]Good morning.What do you need ? [00:16.13]Hi.How much are the apples ? [00:19.34]Apples are two dollars fifty cents a kilogram. [00:22.97]And how much are the tomatoes ? [00:2
Section B Forty-Three Seconds over Hiroshima On a brilliant summer's morning in 1945, Kaz Tanaka looked up into the sky over Hiroshima and saw the beginning of the end of her world. She was eighteen.
《英语流行话题阅读:语境识词3500》Unit73:“Sex”这个词怎么了?
Most of the winners on the fifth full day of competition at the Beijing Olympics will come from sports not widely followed. But as VOA's Jim Stevenson reports from the Chinese capital, their victories will mean as much as the gold medals claimed in
DAVID GREENE, HOST: So every time you weigh something, whether it's coffee or bananas - I'm not sure what you're weighing - you might be doing it in pounds - well, whatever you're doing, you're unknowingly relying on a global system of measurement th
Including the start of the Olympic football tournament two days before the Opening Ceremonies, the Beijing Olympics have reached the halfway point of scheduled competition. VOA's Jim Stevenson has this preview of the action Friday, which is highligh
echo n.回音 vt.重复 I heard vague echoes of someone's footsteps. 我隐约听见有某人脚步的回音。 Our teacher echoed what the report stated. 我们老师把报告上写的东西重述一遍。 sweat vi.出汗 n.汗 I sweat a lot on hot