[化] 数均分子量

by Jason Marshall In recent articles, weve talked about two methods of calculating average values, the mean and the median, and weve talked about some everyday uses for them such as how to use median averaging to get better photos. But thats not all

发表于:2018-12-07 / 阅读(264) / 评论(0) 分类 数学英语

Directions: Study the following graph carefully and write an essay in which you should 1) analyze the graph, and 2) give your comments on the trend. In recent years there has been a dramatic rise in the cell phones, which are now essential to mi

发表于:2018-12-18 / 阅读(155) / 评论(0) 分类 英语作文

A lot of people have had impacted third molars. Third molars produce a lot of chronic pain. Alan Mann, a Prinston University physical anthropologist at the annual meeting of the American Association for the Advancement of Science in Boston on Februar

发表于:2018-12-24 / 阅读(189) / 评论(0) 分类 Scientific American(二)月

Have you been having some trouble getting some digits lately when you ask a girl out? Maybe you should check what music is playing. Thats what French psychologists found. They published their research in the journal Psychology of Music. First the res

发表于:2018-12-24 / 阅读(211) / 评论(0) 分类 Scientific American(六)月

Is it necessary to have cavities in the baby teeth repaired? 乳牙蛀成了洞还有必要补上吗? If the baby teeth are going to fall out, I don't think that it matters if they become decayed. 如果乳牙是要脱落的,我想蛀了也没有关

发表于:2018-12-27 / 阅读(221) / 评论(0) 分类 口腔临床英语对话

Has Earths Gravitational Pull Been Changing? 地球的引力改变过吗? Don, why are you slouching? Dont you know its bad for you? 唐,为啥你无精打采?你不知道这对你不好? Did you know that about 200 tons of debris strike the

发表于:2018-12-28 / 阅读(147) / 评论(0) 分类 初学者听力文摘精选

by Jason Marshall In the last few articles, weve talked about decimals and how theyre related to fractions through the process of division. Now, its time to turn our attention to some practical applications of these tools. Up first today were talking

发表于:2019-01-02 / 阅读(304) / 评论(0) 分类 数学英语

by Jason Marshall In the last article, we learned that there are several ways to calculate the average value of a sample of data. We focused on one such method, the arithmetic mean, and used it to calculate the average number of potato chips in a bag

发表于:2019-01-02 / 阅读(258) / 评论(0) 分类 数学英语

A gunman in Texas shot and killed 26 people in a church in the small community of Southerland Springs, Texas on Sunday. At least 20 people were injured in the shooting. Victims included children and the elderly. The suspected gunman is also dead. The

发表于:2019-01-03 / 阅读(219) / 评论(0) 分类 2017年VOA慢速英语(十一)月

Mass School Shootings Mostly in Small US Towns In the United States, mass school shootings are most likely to happen in small towns and suburban areas. One example is the shooting last week at a high school in Santa Fe, Texas. Ten people died in the

发表于:2019-01-03 / 阅读(237) / 评论(0) 分类 2018年VOA慢速英语(五)月

第21课 借物 A:I'm looking for some background information on mass media technology. Where can I get it? A:我要找些关于大众传媒技术的背景资料。去哪儿能找到? B:Mass media and journalism are all in the section with number

发表于:2019-01-11 / 阅读(263) / 评论(0) 分类 新概念英语口语宝典第一册

C Isn't Average in All Schools Any More Theres an old, but often-played, song by the late Sam Cooke whose lyrics go, in part: Now I don't claim to be an A student But I'm trying to be. And so are millions of other American children each school term.

发表于:2019-01-13 / 阅读(179) / 评论(0) 分类 VOA标准英语2012年(五月)

By Gilbert da Costa Abuja 11 September 2006 Federal workers in Nigerian are bracing themselves for mass layoffs following a weekend announcement that some 15,000 workers are to be let go this month. Union officials are reacting angrily to the plan a

发表于:2019-01-31 / 阅读(275) / 评论(0) 分类 2006年VOA标准英语(九月)

By Barbara Schoetzau New York 20 April 2008 Pope Benedict XVI ended his six-day visit to the United States with a jubilant mass at the 57,000-seat Yankee Stadium. From VOA's New York Bureau, correspondent Barbara Schoetzau reports the leader of the w

发表于:2019-01-31 / 阅读(196) / 评论(0) 分类 VOA常速英语2008年(四月)

A-bomb, atomic bomb 原子弹 absorption 吸收 to accelerate 加速 accelerating chamber 加速室 accelerator 加速器 synchrocyclotron 同步回旋加速器 synchrotron 同步加速器 betatron 电子

发表于:2019-02-03 / 阅读(221) / 评论(0) 分类 英文语法词汇

WASHINGTON, Jan. 27 (Xinhua) -- The number of Americans initially applying for unemployment aid last week rose by 51,000 from the previous(以前的) week, the U.S. Labor Department reported Thursday. The Labor Department said that the advance fi

发表于:2019-02-06 / 阅读(284) / 评论(0) 分类 英语新闻

Study the following graph carefully and write an essay in which you should 1) analyze the graph, and 2) give your comments on the trend. In recent years there has been a dramatic rise in the cell phones, which are now essential to millions of people

发表于:2019-02-18 / 阅读(153) / 评论(0) 分类 英语作文

You might think that just one cigarette 'can't hurt'. But it could in fact cost a smoker almost 14 minutes of their life, according to new calculations. A new website has worked out how much time a smoker, alcoholic or a drug addict will lose, each t

发表于:2019-02-20 / 阅读(211) / 评论(0) 分类 英语新闻

BMI stands for Body Mass Index, and it's a way to estimate whether or not an adult is over or under weight for his or her height. No equipment is necessary. You can figure out your BMI at home with a calculator. You multiply your weight in pounds by

发表于:2019-02-23 / 阅读(187) / 评论(0) 分类 英语时差8,16

Remember seesaws? Those things were great. But there was often a problem. Suppose theres a big kid on one side and a smaller kid on the other side. The seesaw just stays in one position: big kid on the ground, smaller kid up in the air. No fun. After

发表于:2019-02-24 / 阅读(187) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
1.3-diphosphoglyceraldehyde dehydrogenase
access right terminal
anaplasmoses
automatic call simulator
bhabhas
blue-ink
bone dry gas
by-pass rotameter
cash discounts
cellarage
Cleisostoma rostratum
code names dictionary
conveying pipe
coyote-ugly
dart leader
data encoding system
data throughput
degree of exhaustion
diaphragm wall
digital archives
dollar averaging
eccentricity indicator
Encyclia
endoscopies
equipment for tomography
faurie
flask-like cells
fluobenzene
freedom of migration
genetic biochemistry
Gershwin
guiltware
handcrafter
homocamphoric acid
HTG
inactive character
inter-relation
Japanese Trading Company
ka'aba
Katsina State
knapping
land grading
laughing owls
lead hydrogen phosphite
letter frequency
littleflower cyrtanthus
lobosocytheropteron higashikawai
measuring plane method
microfibrillar
miller-urey
Mudeungsan
Myrsine
myxedematous
nanoantennae
nanomia
narrowing of intervertebral space
New Age Movement
nootka cypresses
nuclear tetrad
oscar-winnings
oxyntic
oxyphenylaminopropionic acid
p.f
piss and vinegar
plumed hydroid
polar chart
posterboy
pot flap
pretexes
proportional burner
public finacne
quaternion group
rattailed
redweed
reno-intestinal
rock star
Ryan's skin test
scene change
slowed-downs
Solu-Biloptin
sound radar
stenograppher
stryders
stuck pixel
sulfo-acid
swamp buggy
Swiss bank account
takifugu bimaculatus
technology application
terminal nerve
they've
timing-chain
took our colour from
transonic cascade
tucktoo
uncarnating
underbrush
variable time fuze
yokelish
zandunga
zone sampler
zygomaxillary