单词：sound insulation grading
单词：sound insulation grading 相关文章
A: What do you base our grades on? B: All of your coursework is important, including everything from attendance and homework to all of your test results for the semester. A: Does the final count the most? B: All of it is important; please just do you
英语情景对话-大学生活
A: I was wondering how you are going to calculate our final grades. B: Grades are based on many things: homework, attendance, quizzes, mid-term, and final. A: What counts the most? B: Actually I look at all of it and let's not forget class participat
英语情景对话-大学生活
A: How do you decide what grade we get? B: I look at many things: attendance, quizzes, and tests. A: What is the most important factor? B: Obviously I look for improvement as we go along, but I would like you to do your best from the beginning. A: Ho
英语情景对话-大学生活
(woman) Thank you. It's great to see so many of you interested in this series on Survival in Outer Space. Please excuse the cameras - we're being videotaped for the local TV stations. Tonight I'm going to talk about the most basic aspect of survival
托福听力短文
13 Skyscrapers and Environment In the late 1960's, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were widely criticized. Ecologists pointed out that a cluster of tall buildings in a
英语范文背诵20篇
In a landmark development within stem cell research, scientists say theyve used a cloning technique to make embryonic stem cells that match a patients DNA. The journal Nature highlights a study that shows the potential for using the technology to rep
2011年NPR美国国家公共电台10月
This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one
Scientific American(五)月
A: I was wondering how you are going to calculate our final grades. B: Grades are based on many things: homework, attendance, quizzes, mid-term, and final. A: What counts the most? B: Actually I look at all of it and let's not forget class participat
大学生活-College Life
雅虎新闻：为什么欧洲超市里的鸡蛋只放在普通货架上，而美国的鸡蛋则需要放在冷藏区？ 鸡蛋为什么要冷藏 Yahoo.com: Why is it that European eggs are stored on supermarket shelves while American eggs chill in t
双语趣听精彩世界
Broadcast: Jan 21, 2003 By Gary Garriott Drying food is a simple, low-cost way to keep food safe for eating. Drying removes water that small organisms use to break down food into other substances. Som
VOA2003（上）-社会广角
President Obama traveled to Montana today to promote his administration's health care initiative, telling an audience at a town hall meeting there that the news media may have bear some of the blame for overemphasis on scenes of angry protesters at
2009年NPR美国国家公共电台8月
From NPR News in Washington, Im Renita Jablonsky. President Obama is revising his health overhaul plan to add some Republican proposals. But as NPRs Julie Rovner reports, theyre not likely to win many new votes. Mr. Obama said the changes were prompt
2010年NPR美国国家公共电台3月
1. Toyota has announced it will recall more than 400,000 Prius and other hybrid vehicles around the globe to fix brake problems. This recall is the latest in a string of embarrassing safety problems at the world's largest automaker. This recall invol
美联社新闻一分钟2010(二月)
This is the VOA Special English Education Report. This week in our Foreign Student Series the subject is grades. Most American colleges and universities use the grading system of A, B, C, D and F. An A is worth four points, a B three points, a C two
VOA慢速英语2009年（三）月
French education 法兰西教育 Bac blues 会考后的忧伤 Moves are afoot to reconsider France's harsh grading system 法国正在考虑改革它苛刻的成绩评级制度 WARY of competition when it comes to global markets, the French embrace i
经济学人商业系列
Science and technology 科学技术 Astrochemistry 天体化学 The great test tube in the sky 空中的大试管 Space is one big chemistry set 宇宙是一个很大的化学装置 MOST people think of the empty space between the stars as being, wel
经济学人科技系列
BEIJING, March 4 (Xinhuanet) -- Well-educated and well-paid single Chinese women were at the forefront of a boom in travel by the country's women in 2010. According to the 2010 Trend Report of Women's Travel, the amount of travel by Chinese women inc
英语新闻
Grading of Final Exams 期末考试的打分 Here is a list of the ways professors here at the American University grade their final exams. 下面是美国大学的教授们给期末考试打分的方式。 Dept of Statistics 统计学系 All grades
英语小达人
Many houses in New Zealand are cold. Our traditional wooden house had no insulation. If you live in a house like that, you are paying for heat to escape from the ceiling, walls and under the floor. Insulation is made from material like wool or fibreg
新西兰英语