级数的减法

people appear to born to compute. The numerical skills of children develop so early and so inexorably that it is easy to imagine an internal clock of mathematical maturity guiding their growth. Not long after learning to walk and talk, they can set t

发表于:2018-12-12 / 阅读(98) / 评论(0) 分类 英语小短文

You Do the Math Hello and welcome to Words and Their Stories from VOA Learning English. On this program we explain how to use common expressions in American English. We also explore the origins of these expressions. Where do they come from? Today we

发表于:2018-12-16 / 阅读(176) / 评论(0) 分类 2016年VOA慢速英语(十)月

Good Morning, at the CNN center here in Atlanta, I m Melissa Long, with a look at some of the stories that are happening Now In The News on this Wednesday morning. It's a big day for US automakers. Bankruptcy appears all but certain for General Moto

发表于:2018-12-20 / 阅读(100) / 评论(0) 分类 CNN2009年(五)月

When I was a kid I was top of the class in maths. I was really good at mental arithmetic and doing sums. Things were easy back then, It was all addition and subtraction, multiplication and division. I knew my times tables like the back of my hand. Th

发表于:2018-12-28 / 阅读(107) / 评论(0) 分类 听一分钟英文-M

19.childrens numerical skills people appear to born to compute. The numerical skills of children develop so early and so inexorably that it is easy to imagine an internal clock of mathematical maturity guiding their growth. Not long after learning to

发表于:2019-01-02 / 阅读(449) / 评论(0) 分类 英语范文背诵20篇

I still tend to move my fingers, almost subconsciously, when doing arithmetic. Well, that might not be so strange, according to research published in the May 8th issue of the journal Science. The report says that math and movement through space use

发表于:2019-01-02 / 阅读(153) / 评论(0) 分类 60秒科学

This is Scientific Americans 60-second Science, Im Cynthia Graber. This will just take a minute. I still tend to move my fingers almost subconsciously when doing arithmetic. Well, that might be not so strange according to research published in the Ma

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(五)月

The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s

发表于:2019-01-08 / 阅读(116) / 评论(0) 分类 英语小短文

EDUCATION REPORT - After 40 Years, Calculators in School Still Add Up to Debate By Nancy Steinbach / Broadcast: Wed, 7 Nov 2007 16:00:00 UTC This is the VOA Special English Education Report. Can you do the math: What is one hundred times four, divid

发表于:2019-01-11 / 阅读(80) / 评论(0) 分类 VOA慢速英语2007年(十一)月

When I was a kid I was top of the class in maths. I was really good at mental arithmetic and doing sums. Things were easy back then, It was all addition and subtraction, multiplication and division. I knew my times tables like the back of my hand. Th

发表于:2019-01-21 / 阅读(120) / 评论(0) 分类 纯正英语一分钟

Coverage 险别 A:I am calling to discuss the level of insurance coverage you've requested for your order. 我打电话是想讨论您所要求的订单保险额的级别。 B:I believe that we have requested on amount twenty-five percent above the i

发表于:2019-01-23 / 阅读(98) / 评论(0) 分类 外贸英语一点通

Say it with us: Kids today have it sooooo easy. A new smartphone app will do their math homework for them, provided it's not too complicated. PhotoMath by microblink uses a phone's camera to solve equations and then teaches you the step-by-step metho

发表于:2019-02-02 / 阅读(114) / 评论(0) 分类 阅读空间

add v.(to)加,增加;补充说,又说 解析:addition n.加,加法;附加物 additional a.附加的 subtraction n.减法 division n.除法 multiplication n.乘法 数学plus 加 / minus 减 add up t

发表于:2019-02-03 / 阅读(90) / 评论(0) 分类 英文语法词汇

WASHINGTON, Jan. 28 (Xinhua) -- The U.S. economy expanded by an annual rate of 3.2 percent in the fourth quarter of 2010, partly boosted by personal consumption and exports, the Commerce Department(商务部) reported Friday. U.S. real gross dome

发表于:2019-02-03 / 阅读(98) / 评论(0) 分类 英语新闻

Q: Lately I have struggled to get out of bed despite waking up a decent time to go to my lab (I'm a grad student), the end result being I fall asleep again and end up going in about 11.5 hours later than I really want to. How do I make myself actuall

发表于:2019-02-06 / 阅读(145) / 评论(0) 分类 阅读空间

Children's Numerical Skills People appear to be born to compute. The numerical skills of children develop so early and so inexorably that it is easy to imagine an internal clock of mathematical maturity guiding their growth. Not long after learning t

发表于:2019-02-17 / 阅读(170) / 评论(0) 分类 双语有声阅读

The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s

发表于:2019-02-25 / 阅读(177) / 评论(0) 分类 双语有声阅读

New Words 新单词 concrete adj. 具体的 addition n. 加 subtraction n. 减 multiplication n. 乘 division n. 除 frequently adv. 频仍地 withdraw v. 掏出 formula n. 公式,程式 plus prep. 加 minus prep. 减 compound v. 合成 times n. 倍

发表于:2019-02-25 / 阅读(148) / 评论(0) 分类 实用英语

China's State Council Information Office has held a policy briefing conference, and Huang Shouhong, who is in charge of the drafting of the Government Work Report, underlined the key methods of supply-side reforms. From the industry level, supply-sid

发表于:2019-02-25 / 阅读(151) / 评论(0) 分类 cctv9英语新闻2016年

The ways successful people defeat procrastination. 成功人士战胜拖延的方法。 They give up. 他们会放弃 Just because you already poured hours into a project, doesn't mean you need to finish it. This is known as the sunk cost fallacy. Th

发表于:2019-03-06 / 阅读(152) / 评论(0) 分类 英语听力广播—Listening
学英语单词
acne sebacee cornee
aculeate
acute angles
adjustable short circuit termination
alto cumulus cumulogenitus
anointings
Aougoundou, L.
artistic merit
assassinment
back-flow velocity
balloon-berry
beiliner
bertoluccis
bhindis
Bombyx mori single nuclear polyhydrosis virus
brahimis
bronchioloalveolar carcinoma
caret browsing
Carl August
chalasia of cardia
cochliobolus zeae
colo(u)r TV transmitter
comfortable environment
component of computer system
confused swell
control air dehumidifier
countercurrent mixing
crankpin bush
Cypridae
disciplinary board
display generator
drapolenes
drought index
ecliptic coordinates
energy doubler
extendibles
fibrinolytic purpura
firing zone
fission hole
food supplement
funding system
global-awareness
graded bench terrace
grofe
Harrysmithia dissecta
heelboard
hell-weed
high pedestal jib crane
historical development of hybrid
hurds
i am so sorry
integrative social contracts theory
invariant curve
isomarte
jet-stream whirl
kiepert
Lattimore
Leos
line fo equal scale
low silicon rail steel
lump sum purchase
m.a.f.i.a
Manzullo's tests
minimum detectable signal power
miracia
multiple jack
myelin globules
NDPBs
non agency station
non-inclusions
p'u t'ao hsien tzu
patently
pending the issuance of licence
plumbers
polaly
pulse-duration modulation-frequency modulation
push rod holder
put one's finger into another's pie
radio-telegraph transmitter
reprotonate
riedinger
simplex
single-beam oscilloscope
solar flare hazard
Sonneratia
sparing grain
spinal injuries
Stephanocare
sterile solution
subscleral sclerectomy
sulci obturatorius
supe up
survey for boundary verification
therethroughout
tissue flow and turnover theory
traffic monitoring system
vair
Vitus Behring
vortex amplifier
water melons
wearry
wire-armoured