乘法结合律

EXPLORATIONS - Outlaws and Lawmen of the Wild West, Part 2 By Paul Thompson Broadcast: Wednesday, January 21, 2004 (THEME) VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with EXPLORAT

发表于:2018-12-01 / 阅读(192) / 评论(0) 分类 Explorations

The World was an orange when I went to school, 我上学的时候,世界对我来说就像一个橙子, and there were only three things I can remember that I ever learned for sure that the Dutch children wore wooden shoes, 我记得只有三个细

发表于:2018-12-04 / 阅读(120) / 评论(0) 分类 美国学生世界地理教材

[00:00.00]Man Is Altering the Balance of Nature [00:05.68]The balance of nature is a very elaborate [00:09.66]and very delicate system of checks and counterchecks. [00:13.60]It is continually being altered as climates change, [00:16.66]as new organis

发表于:2018-12-07 / 阅读(74) / 评论(0) 分类 晨读英语美文60篇

by Jason Marshall In past articles weve talked at length about three of the big four traditional processes used in basic arithmetic: addition (see also How to Add Quickly), subtraction, and division. However, for one reason or another, we havent yet

发表于:2018-12-07 / 阅读(67) / 评论(0) 分类 数学英语

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(61) / 评论(0) 分类 CNN2009年(五)月

2 The Village School 乡村小学 By Charles Dickens Little Nell looked round the room as she took her seat. There were a couple of forms, notched and cut and inked all over; a small deal desk perched on four legs, at which no doubt the master sat, a

发表于:2018-12-28 / 阅读(60) / 评论(0) 分类 陈冠商英语背诵文选合集

8. Books 书籍 The good books of the hour, then, --I do not speak of the bad onesis simply the useful or pleasant talk of some person whom you cannot otherwise converse with, printed for you. Very useful often, telling you what you need to know; ver

发表于:2018-12-28 / 阅读(34) / 评论(0) 分类 陈冠商英语背诵文选合集

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(73) / 评论(0) 分类 听一分钟英文-M

I look up the book itself and fill out a call slip for it. But I also want to read about papermaking at Kelmscott. The catalog is confusing. I go back to the desk to ask for help. As I explain to the woman what I am trying to find, she glances over m

发表于:2019-01-01 / 阅读(86) / 评论(0) 分类 时间旅行者的妻子

DCC Data Country Code 数据国家号码(3位) DCC Digital Cross Connect 数字交叉连接 DCCE Digital Cell Center Exchange 数字小区中心交换机 DCCH Dedicated Control CHannel 专用控制信道

发表于:2019-01-03 / 阅读(88) / 评论(0) 分类 电信英语

It's used to change the scene. 它被用来转换话题。 So for example, this Sally person says, 比如说,这个萨莉说, So I need to find people to chill with and Jake says, Haha,you could write a dissertation about Haha too, but we don't h

发表于:2019-01-18 / 阅读(52) / 评论(0) 分类 TED演讲商业篇

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(73) / 评论(0) 分类 纯正英语一分钟

ERIC WESTERVELT, HOST: Think of all the numbers you've encountered today - the clock in your smartphone, maybe the date on your calendar, the numbers on that highway sign. And those are just the ones you can see. It's easy to take numbers for granted

发表于:2019-01-24 / 阅读(82) / 评论(0) 分类 英语语言学习

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(72) / 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(51) / 评论(0) 分类 英文语法词汇

我原来曾经给我的一个同学改作文,发现她经常写一些让我感觉哭笑不得的句子。 例如: At the first glance, the argument seems sound, but with a further look, I find it problematic. 前半句是忠实引用,后半

发表于:2019-02-09 / 阅读(88) / 评论(0) 分类 GRE作文

But when they really get pushy, people really get pushy, I say, I do it because you do it for your kid. 但是当他们变得有进取心时,我们就会变得更有进取心,我说:我这样做就像你们为自己的儿子做的原因一样。

发表于:2019-02-13 / 阅读(69) / 评论(0) 分类 TED演讲国际问题篇

There was an important anniversary this week. Forty years ago, on 15 February 1971, Britain changed its currency, that is, its money system. This is what happened. When I was a child in the fifties and sixties, Britain had a wonderfully complicated c

发表于:2019-02-19 / 阅读(73) / 评论(0) 分类 听播客学英语

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(110) / 评论(0) 分类 实用英语

Being good at mathematics may be entirely pre-destinedyou either have it or you don't, a new research has found。 And those who find the numbers never add up shouldnt feel too dim mathematical talent does not appear to be linked to all-round intelli

发表于:2019-02-25 / 阅读(90) / 评论(0) 分类 实用英语
学英语单词
0757
abelianness
accelerating pump jet
acpi
Amancey
arithmetical invariant
Bahaist
barrel bridge screw
bearwald
benzoxazine
binary merge
binding ability
career preparation
caromel
cc'
Chonemorpha megacalyx
Clerodendron cyrtophyllum Turcz.
cloud seeding agent
commercial gothic letter
comprehensive auditing manual
converge
course surface
dicentrics
differential phase test
direct-current selection
direction indicators
distortion error
down-stream
eddy-current tube test
episio-
equilibrium reflux boiling point
escape line
essential hazard
estrus duration
ex plant
exhaust-valve
fibre optic faceplate cathode ray tube
fire proofing fibre
Floribbean
frieder
giaunt
glycochemist
gnidilatidin-20-palmitate
groff
hand laced behind neck
heat-control
heterodisomy
hired acceptance
hydrops folliculi
icthyoid
integument
jet lubrication
joody
key confirmation
Kinel'-Cherkasy
laughability
lining burn-back
long horned caddisfly
magnetic drum module
manufactured goods for daily use
metes
neurosigns
newissue
nicetin
nonfussy
odd field
ODI
oxygen therapy unit
Paeonia sinjiangensis
paired cross
parallel seat
phoney-baloney
pickup cylinder
portoure
qdii
quadrature modulated chrominancesignal
qualifyings
Rosyth
schuilingite-(Nd)
semiconductor diode laser
septum mucosa deptessor
shutter drum
shuyster
sowdear
spritzers
step slot
strip-poker
stub tuner
Stygian
sunny side up
sunscalds
support files
Tazlarovo
technical amendments
thymol iodide
time base code
Tokkoite
tool coupling
transverse fin
treasury chest fund
unqualitied
Wang Jing Wei