单向扩散试验

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.09]2002 [00:06.29]Comparisons were drawn between the development [00:08.71]of television in the 20th century [00:11.03]and the diffusion of printing in the 15th and 16th centuries. [00:15.7

发表于:2018-11-30 / 阅读(154) / 评论(0) 分类 历年考研英语完型填空

Text Alvin Toffler writes about the fact that technology is advancing much faster today than ever before in history. The symbols of technology are no longer factory smokestacks or assembly lines. As we are headed for the future, the pace will quicken

发表于:2018-12-04 / 阅读(133) / 评论(0) 分类 大学英语精读第三册

Millions of smallholder farmers in South and Southeast Asia are attempting to diversify beyond staple crops to increase their incomes, nutrition, and resilience in response to climate change and shifting market demand. Although they are potentially s

发表于:2018-12-08 / 阅读(116) / 评论(0) 分类 VOA标准英语2017年(二月)

This is the VOA Special English Health Report. Doctors currently identify autism disorders by observing behavior. Autism affects social and communication skills. It usually first appears in young children. Now, researchers in the United States think

发表于:2018-12-15 / 阅读(123) / 评论(0) 分类 2010年VOA慢速英语(十二)月

29. Boas felt that the culture of any society must be understood as the result of a unique history and not as one of many cultures belonging to a broader evolutionary stage or type of culture. 【分析】复合句。句子主干是Boas felt that。t

发表于:2018-12-30 / 阅读(91) / 评论(0) 分类 考研英语长难句讲解

30. Some attributed virtually every important cultural achievement to the inventions of a few, especially gifted peoples that, according to diffusionists, then spread to other cultures. 【分析】复合句。句子主干包含 attribute...to...结构

发表于:2018-12-30 / 阅读(109) / 评论(0) 分类 考研英语长难句讲解

Section A Directions:In this section,you will hear 8 short conversations and 2 long conversations.At the end of each conversation,one or more questions will be asked about what was said.Both the conversation and the questions will be spoken only once

发表于:2018-12-30 / 阅读(65) / 评论(0) 分类 英语六级听力练习集锦

2 What are the two speakers doing? [A] Walking down a hill [B] Climbing stairs [C] Discussing a trip

发表于:2018-12-30 / 阅读(90) / 评论(0) 分类 听听测测

3 Where are the two speakers? [A] In a restaurant [B] On a farm [C] At the man's home

发表于:2018-12-30 / 阅读(96) / 评论(0) 分类 听听测测

词条 含义 近义 further vt. 促进,增进 advance adj. 更多的,另外的 additional , extra fuse v. 熔合 combine , blend fused adj. 熔合在一起的 fusion n. 核聚变 n. 熔化;联合

发表于:2018-12-30 / 阅读(147) / 评论(0) 分类 王玉梅托福词汇配套MP3

在GRE写作中,全球化的概念考查非常高频,而且全球化的概念和影响在其他类型(例如科技、教育、政治以及文化类话题中也高频被调用),因此面对这个高频的主题素材,特为所有同学补充全球

发表于:2019-01-03 / 阅读(103) / 评论(0) 分类 GRE英语

Dante (Alighieri) 1265 -- 1321 The Italian poet Dante Alighieri wrote The Divine Comedy, the greatest poetic composition of the Christian Middle Ages and the first masterpiece of world literature written in a modern European vernacular. Dante lived i

发表于:2019-01-08 / 阅读(60) / 评论(0) 分类 GRE作文

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(140) / 评论(0) 分类 经济学人科技系列

GRE频道在此与大家分享新东方北京学校GRE名师韩冰老师为大家带来的有关on the contrary的讲解。 似乎 on the contrary 掀起了一阵轩然大波,很多小伙伴都过来问我,老师on the contrary 到底想怎么样,

发表于:2019-02-01 / 阅读(108) / 评论(0) 分类 GRE英语

Dangling bonds 悬挂键 Dark current 暗电流 Dead time 空载时间 Debye length 德拜长度 De.broglie 德布洛意 Decderate 减速 Decibel (dB) 分贝 Decode 译码 Deep acceptor level 深受主能

发表于:2019-02-05 / 阅读(103) / 评论(0) 分类 实用英语

Circulatory Function of the Liver While the liver is technically part of the gastrointestinal system, it also plays an important role in blood circulation. The liver has been called the antechamber of the heart because it collects and processes all o

发表于:2019-02-15 / 阅读(89) / 评论(0) 分类 英文语法词汇

BEIJING, Nov. 30 (Xinhuanet) -- Heading football frequently may cause brain damage leading to subtle but serious declines in thinking and coordination skills, a new study suggested as quoted by media reports Wednesday. Researchers used an advanced MR

发表于:2019-02-16 / 阅读(67) / 评论(0) 分类 英语新闻

Website uses an algorithm to predict when you will find The One (or whether you're destined to stay single). 有一个网站能利用某种算法来预测:你什么时候才能找到另一半(或者你注定只能单身一辈子了)。 It's a d

发表于:2019-02-17 / 阅读(58) / 评论(0) 分类 阅读空间

下周五要交论文,这周二要交工作报告,下个月1号要考试了好像我们的生活中总是有这样那样的期限。于是大家都努力赶在期限前完成该做的事。可是人都是有惰性的,就难免有拖拖拉拉的毛

发表于:2019-02-19 / 阅读(78) / 评论(0) 分类 英语口语

下周五要交论文,这周二要交工作报告,下个月1号要考试了好像我们的生活中总是有这样那样的期限。于是大家都努力赶在期限前完成该做的事。可是人都是有惰性的,就难免有拖拖拉拉的毛

发表于:2019-03-11 / 阅读(131) / 评论(0) 分类 实用英语
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