数学英语 23 What are the Range and Standard Deviation?

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

新概念英语第三册lesson 37 The Westhaven Express

Lesson 37:The Westhaven Express 开往威斯特海温的快车 Listen to the tape then answer the question below. 听录音，然后回答以下问题。 What was the mistake the author made? We have learnt to expect that trains will be punctual. Afte

新概念英语第二册lesson 37 The Olympic Games

Lesson 37 The Olympic Games 奥林匹克运动会 First listen and then answer the question. 听录音，然后回答以下问题。 When was the last time this country hosted the Olympic Games? The Olympic Games will be held in our country in four ye

纯正地道美语(外教讲解)187：夏令时间

A:Did you set your clock forward for daylight savings time? B: What? Why do we have to do that? A: Well, at the start of the spring we usually have more daylight in the mornings and less in the afternoon. This is basically due to our position on the

商务口语第10讲:出差(1)

1.Airport pick-up 接机 A:Anybody picks you up at the airport? B:My secretary arranged it. I just hope the chauffeur will show up. A：有人去机场接你吗？ B：我的秘书安排了，我只是希望司机能到。 2. Book a hotel 订酒店 A: Who booked the hotel for you? B

英文书摘精选 Why Was Greenwich Standard Time Created?为什么要确立格林威治标准时间?

Imagine getting on a train at twelve noon and heading out on a four-hour trip to another town. 设想一下：您正乘坐一辆中午12点整出发的火车前往另外一个城市，路途耗费4个小时。 Youd expect to arrive at four oclock in

英语听力文摘 English Digest 658 为何要确立格林威治标准时间？

Why Was Greenwich Standard Time Created? Imagine getting on a train at twelve noon and heading out on a four-hour trip to another town. Youd expect to arrive at four oclock in the afternoon, right? But before the last few decades of the 19th century,

英语语法：121 Daylight-Saving Time

by Mignon Fogarty Many parts of the world are moving from standard time to daylight-saving time (also called summer time) this week, so I thought it would be a good time to talk about the phrase daylight-saving time and time in general. The original

英语语法：41 Daylight-Saving Time

Grammar Girl here. Many parts of the world are moving from daylight-saving time (also called summer time) to standard time this week, so I thought it would be a good time to talk about the phrase daylight-saving time and time in general. Most usage g

VOA标准英语2010年-Guam Braces for Military Buildup

Residents on the Pacific island of Guam are bracing for big changes. Four years from now, the U.S. military plans to transfer thousands of Marines from the Japanese island of Okinawa. The move is part of a larger military realignment in the region an

VOA慢速英语2012 Economics Report - How Gold Became the Gold Standard for Trade

Economics Report - How Gold Became the Gold Standard for Trade 经济报道 - 黄金是如何成为贸易金本位的？ This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 The best example of something

VOA标准英语2013--US to Send Missile Defenses to Guam

US to Send Missile Defenses to Guam As the rhetoric from the North has become louder, so have the warnings from U.S. military leaders that they are prepared to respond to any action from Pyongyang against the United States and its allies. The Pentago

美国文化脱口秀 第683期:用time difference形容时差 那你就错啦!

时差 说起时差大家或许立马会想到： Time difference 但它只能用来描述地理上的时间差异： What's the time difference between New York and Shanghai? 纽约和上海时差多少？ 谈到具体的时差，中文里会说快、

VOA双语新闻 Damaged US Nuclear Sub Returns to Guam

A U.S. Navy nuclear-powered attack submarine, under heavy escort, has arrived back at its home port of Guam after a fatal accident at sea. 美国旧金山号核动力攻击潜艇在发生致命事故以后，在严密的护航之下返回在关岛的基

7.2-magnitude earthquake hits southwest of Guam

WASHINGTON, Aug. 13 (Xinhua) -- A major 7.2-magnitude earthquake struck southwest of U.S. territory Guam on Saturday local time, the United States Geological Survey reported on its website. The quake occurred at 7:19 a.m. on Saturday local time (2119

Sub-Standard Electronics Donated to Africa Causing Pile Up o

Sub-Standard Electronics Donated to Africa Causing Pile Up of E-Waste The safe disposal of unwanted computers, printers, mobile phones, and other electronics, collectively known as e-waste, is a growing problem across Africa. The world produces more

通用商务：用简单英语谈生意－订单篇(2)

(97) A: Do you usually buy in large quantities? B: Our standard order is 500cases at a time. A: We can handle an order that size very easily. B: We'll let you know the next time we need to place an or

美国研究生入学考试会考到的统计题型

GRE 中容易考到的统计题型主要就有以下七种 1。mode（众数） 一堆数中出现频率最高的一个或几个数e.g.modeof1,1,1,2,3,0,0,0,5is1and0 2。range（值域）一堆数中最

美国文化脱口秀 第285期:美国旅游有哪些坑?

有了10年超级签证，美国旅游真方便。今天，听Jenny和Spencer的实用指南。帮你省时、省力、又省钱，避免美国旅行的坑。 关键词： Travel in the States: 去美国旅行 Timezones: 时区 There are 6 timezones

商务英语常用缩略语表（三）

S no option offered 无期权出售 S split or stock divided 拆股或股息 S signed 已签字 s second; shilling 秒；第二；先令 SA semi-annual payment 半年支付 SA South Africa 南非 SAA special arbitrage account 特别套作账户 SAB s