[数] 恒等态射

(woman) You may remember that a few weeks ago we discussed the question of what photography is. Is it art, or is it a method of reproducing images? Do photographs belong in museums or just in our homes? Today I want to talk about a person who tried

发表于:2018-12-05 / 阅读(74) / 评论(0) 分类 托福听力短文

[ti:UNIT 2 DNA Lesson 10 What Is DNA?] [0:02.300]UNIT 2 第二单元 [0:03.936]DNA [0:06.098]Lesson 10: 第10课: [0:07.918]What Is DNA? 什么是DNA? [0:10.668]THINK ABOUT IT! 想一想! [0:12.400] Do you and the students near you look the sam

发表于:2018-12-10 / 阅读(136) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

[ti:UNIT 2 DNA Lesson 15 Cloning Questions] [0:01.154]UNIT 2 第二单元 [0:02.876]DNA [0:05.935]Lesson 15: 第15课: [0:07.825]Cloning Questions 克隆问题 [0:11.631]To: 至: [0:12.419]jenny@compmail.ca [0:15.357]From: 来自: [0:16.233]Li-

发表于:2018-12-10 / 阅读(200) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

[ti:UNIT 2 DNA Lesson 13 Clones Are the Same] [0:00.788]UNIT 2 第二单元 [0:02.442]DNA [0:05.530]Lesson 13: 第13课: [0:07.106]Clones Are the Same 克隆人是一样的 [0:09.703]THINK ABOUT IT! 想一想! [0:11.155] You have a pet that you l

发表于:2018-12-10 / 阅读(179) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

By Nancy Steinbach Broadcast: October 29, 2003 This is Faith Lapidus with the VOA Special English Health Report. Some estimates say that one in as many as eighty-thousand of all births results in two

发表于:2018-12-15 / 阅读(237) / 评论(0) 分类 VOA2003(下)-环境与健康

[00:03.24]Nature and Nurture [00:07.63]Part Two [00:10.84]Listening-Centered Activities [00:15.16]Listening I [00:19.40]Exercise 1 [00:24.16]Directions: [00:27.58]Listen to the passage and answer the following questions. [00:33.80]Although twins have

发表于:2018-12-18 / 阅读(119) / 评论(0) 分类 新编大学英语听力浙大版

UNIT ELEVEN Part One Warm Up Dialogue 1 下面是典型的家庭主妇式的闲谈。 A: Are these your ⑴triplets? They’re ⑵beautiful! I’ve seen other babies who were nothing but skin and bone

发表于:2018-12-24 / 阅读(127) / 评论(0) 分类 4+1听力口语MP3

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 dream [ dri:m ] His dream of being a d

发表于:2018-12-30 / 阅读(71) / 评论(0) 分类 每日攻克5词

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 四六级词汇与结构练习

Katie Couric: For nearly 3 years, Matt and Christine Roe saw double with their identical twin daughters, and when doctors told them Christine was pregnant again, and this time with triplets, they simp

发表于:2019-01-06 / 阅读(64) / 评论(0) 分类 访谈录

This is Scientific Americans 60 Second Science, I am Rose Eveleth. Got a minute? Sound and touch may seem completely separate, except possibly when playing the game Operation. But it turns out that the two senses are actually quite entwined: a new st

发表于:2019-01-08 / 阅读(64) / 评论(0) 分类 Scientific American(五)月

As StoryCorps travels the country, it's helping Americans interview some of the most important people in their lives. Today, two women who can't imagine life without each other. Hi, I'm Janice Morris and Im Caroline Morris Satchell and we're identica

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 2006年NPR美国国家公共电台

[00:01.89]Unit 24 Society [00:05.41]2 Exercise 2 Listen to Thomas More's story [00:09.34]about Utopia.Check your answers to Exercise 1. [00:18.71]I was in Bruges on business [00:20.48]when I met this very interesting man. [00:22.62]He had travelled f

发表于:2019-01-10 / 阅读(125) / 评论(0) 分类 北师大版高中英语模块8(选修)

Science and technology 科学技术 The genetics of politics 政治遗传学 Body politic 人体政治 Slowly, and in some quarters grudgingly, the influence of genes in shaping political outlook and behaviour is being recognized 在某些方面,塑造

发表于:2019-01-28 / 阅读(62) / 评论(0) 分类 经济学人科技系列

Ever wonder what would happen if you stopped working out? A new study on identical twins published in th journal Medicine Science in Sports Exercise explores exactly that, and the results are dramatic. 想知道停止锻炼后会发生什么吗?一项

发表于:2019-02-01 / 阅读(126) / 评论(0) 分类 阅读空间

自信才能学习好

发表于:2019-02-05 / 阅读(48) / 评论(0) 分类 英语学习方法

identical adj.同一的, 同样的 解析:We are identical in our views of what should be done. 我们对于我们应该如何应付的意见是一致的。 These two designs are almost identical.这两

发表于:2019-02-06 / 阅读(51) / 评论(0) 分类 考研英语

Here is a photo of successful people: Successful people enjoy peace even through difficult circumstances. Rather than complaining about the troubles they meet, they adapt and enjoy life. Successful people like themselves. They are glad for their own

发表于:2019-02-19 / 阅读(49) / 评论(0) 分类 英语美文

神探夏洛克第一季第一集_16 我们在哪? Where are we? 你熟悉伦敦的大街小巷 你知道这是哪 You know every street in London. You know exactly where we are. 罗兰克尔专科学校 Roland-Kerr Further Education College. 为什么

发表于:2019-03-16 / 阅读(222) / 评论(0) 分类 神探夏洛克第一季

What Makes Beauty So Appealing? 是什么让美如此有吸引力 Every year the entertainment magazine People publishes a list of who it considers the most beautiful people in the world. How do the editors choose from the 7 billion people on Earth?

发表于:2019-03-16 / 阅读(1597) / 评论(0) 分类 2015年VOA慢速英语(十)月
学英语单词
allantoic epithelium
ammobium alatums
antispiral
aqua-robot
artificial intelligence bot
ascending sequence
Auro-Dri
baking paint
bench model
bespittle
bowstowre
bpu
burrings
canales facialis
captresses
carbide-tippeds
catenoids
cesium iron rocket engine
Cevus
chromous iodide
class mark
commanding point
Condover
counter-thoughts
credit standing
darla
date/time study phase ended
derp
discharge total pressure
drors
edmiston
First Lord of the Treasury
Frank Muir
genus Coccyzus
graded seal
grudziadz (graudenz)
had an influence on
Hail Mary pass
hapuka
holomict
holophytic nutrition
hopping job
Huschke's ligaments
Hypofritz
infect
insertee
intermediate shade
james,Henry(,Sr.)
jandyce
joint signature
juicin'
kearneysville
megabytes per second
minimal curve radius
modulating audio frequency
mussitant
National Symphony Orchestra
neurofibromatoses
non-ionizing
Ornopostol
outside stairway
parismina
Phaseolus coccineus L.
photodecompose
podospora argentinensis
point type speed control system
potato hollow heart
program generating system
pyrotechnic-flare parachute
residual analysis
respiration coefficient
Rhabditis-form
rigid guard
rope-drum
sabias
samarium buildup
sandy clay loam
savagious
secondary stratigraphic trap
self-inflammable
ship money
soft burnt brick
stupor mundi
sub hypothesis
superventricular
tax free
ternater
the footballer
theory of scattering
thumbsticks
to drop something
to enlarge
to say the least (of it)
transient acantholytic dermatosis
us oil
utilizer
vacate office
value conflicts
vanadium pentasulfide
what do you want, a cookie
Williamson Glacier
yankers