7-12 美国航空航天局成功试飞超高音速喷气机

NASA Successfully Tests Hypersonic 1 Jet Three years after its first test flight ended in an explosion, NASA on March 27 successfully launched an experimental jet that the agency believes reached a re

数学英语 08 How to Make Box and Whisker Plots

图片1 图片2 图片3 by Jason Marshall Weve now talked about several different useful ways for looking at and understanding a group of numbers. The mean, median, and mode are great for determining the average value, and last time we learned that t

TED演讲 第8期:从20马赫的滑翔机到蜂鸟无人机的感想(3)

That's an unnatural act for a rocket. 这对于火箭来说，不是一种自然的行为。 The third stage has a camera. 第三次发射，火箭上有一个摄像机。 We call it rocketcam. 我们称之为火箭摄像机。 And it's pointed at th

TED演讲 第7期:从20马赫的滑翔机到蜂鸟无人机的感想(2)

40 years later, aero experts coined the term transonic. 40年后空气动力学专家创造了跨音速这个术语。 They debated, should it have one S or two? 他们争论这个术语应该用一个S，还是两个S? You see, they were having trou

【健康】体检结果正常-Normal Test Results

A: I was wondering if you have my test results in. B: I didn't see anything out of the ordinary, but I want you to log onto our website for a printout of all of the details. A: So, basically, I am OK? B: If there were any major problems, I would alwa

自考英语（二）60讲 Lesson 34

本讲为 2006 年下半年新的教学内容，请对照教材，练习册和语法书听录音！ 1. They also load and unload hot, heavy metal forms used in machines casting automobile and truck fr

5-11 慈母颂

Mother Machree There's a spot in my heart which no colleen may own; There's a depth in my soul never sounded or known; There's a place in my memory my life that you fill; No other can take it no one e

地道英语在线听-Top of the Range 最具水准

John: This is Real English from BBC Learning English. Im John. Jean: And Im Jean. John: Today were going to look at words and phrases that have recently become part of the English language. Jean: 在我们的Real English地道英语节目当中，我们会来学习一

晨读英语美文60篇六级33

Mother Machree 慈母颂 Theres a spot in my heart which no colleen may own; Theres a depth in my soul never sounded or known; 在我心中有那么一隅， 任何少女也不能占据。 它埋在我灵魂的深处， 我从不声张从不表露。

VOA慢速英语--四个年轻人致力于让世界更美好

Four Young People Who Make the World Better 四个年轻人致力于让世界更美好 What can technology do to make your world better? Four young people are starting new businesses to answer that question. Mateusz Mach Eighteen-year-old Mateusz Mac

VOA慢速英语2014 Young Technology Expert Works to Stop Car Thefts

Young Technology Expert Works to Stop Car Thefts Kenya is East Africas largest economy. Its capital Nairobi is growing quickly. But so is the citys crime rate -- the Nairobi Metropolitan Crime Observatory says thieves steal an average of 10 cars each

原版英语对话：Normal Test Results(1)

A: Hi, I was wondering if you have my test results in. B: I didnt see anything out of the ordinary, but I want you to log onto our website for a printout of all of the details. A: So, basically, I am OK? B: If there were any major problems, I would a

原版英语对话：Normal Test Results(3)

A: Hi, I think I was supposed to call for my test results today. B: If you go onto our website and put in your password, you can access your test results. A: Are you saying that there werent any problems? B: I will always have you come in for a discu

原版英语对话：Normal Test Results(2)

A: Hello, could you tell me my test results? B: Your results are posted on the website. Just put in your password and you can see the exact numbers. A: Are you saying that all my results were normal? B: We always contact you by phone to come in if th

三八妇女节英语诗歌-慈母颂

2010年3月8日是三八妇女节，给自己的母亲或者女性朋友送上一首英语诗歌-《慈母颂》作为祝福，给她们一个意外的惊喜和慰问吧。为大家收集了几首 英语诗歌祝福语，祝福全天下的女性朋友们

飞行员英语900句 第2期:基本通话术语(2)

Expedite climb to FL190. 21.加速上升到高度190。 Climb to FL280 expedite until passing FL180. 22.上升到高度280，快速通过高度180。 Unable to expedite climb due weight. 23.由于重量原因不能加速上升。 Descending immediate

英语听力：自然百科 行星旅行指南：火星 Mars—8

Before we take this giant leap, we need to be able to carry everything needed for a three-year -round trip with us. This is a much larger effort than getting to the moon. Its the Apollo mission on steroids. At this point we know at least as much as t

PBS高端访谈:为什么许多女兵的回归家庭生活之路如此艰难?

GWEN IFILL: After serving in Iraq and Afghanistan, many veterans face an uphill battle finding work in civilian life. There's been an increase in efforts to help ease their transition, but one segment of the veteran population is often overlooked. Sp

新西兰英语 523 Population statistics

Statistics New Zealand collects population numbers every year from 1st October to the end of September. The latest figures show that New Zealands population on September 30th was 4,414,400. This is equal to 0.06% of the worlds population. We have 33,

万物简史 第245期:马斯特-马克的夸克(17)

At least the names for the two main possible culprits are entertaining: they are said to be either WIMPs (for Weakly Interacting Massive Particles, which is to say specks of invisible matter left over from the Big Bang) or MACHOs (for MAssive Compact