a. 沉淀物覆盖的

Covered Bridges Make River Crossings a Treat Its fall in the United States, the season when millions of Americans take to country roads to check out pumpkin patches, apple-cider stands - and covered bridges. These structures stand year-round, of cour

发表于:2018-12-16 / 阅读(363) / 评论(0) 分类 VOA标准英语2012年(十月)

This is Scientific America's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its hot to research life in extreme environments. There are organisms that thrive in boiling hot thermal vents and in toxic stews. These extremophiles, as

发表于:2018-12-24 / 阅读(373) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

发表于:2018-12-24 / 阅读(414) / 评论(0) 分类 Scientific American(九)月

Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl

发表于:2018-12-24 / 阅读(372) / 评论(0) 分类 Scientific American(十一)月

台湾籍旅美老师今天交给我们的句子是: When I was a kid, my understanding of the seasons was that December and January were cold and covered with snow. 在我小时候,我对季节的理解就是十二月和一月份很冷,白雪覆

发表于:2018-12-25 / 阅读(319) / 评论(0) 分类 留美老师带你每日说英文

(MA) Look at our topographical map and you'll see that the middle third of the North American continent --- from the Rocky Mountains almost to the Mississippi River --- is pretty flat. This is the Great Plains. This kind of area is sometimes called

发表于:2018-12-30 / 阅读(393) / 评论(0) 分类 托福听力短文

About 110 million years ago, a large plant-eating dinosaur covered with sharp points walked the land. Called a nodosaur, it is now the best example of its kind ever found. This new species of dinosaur is being called a one-in-a-billion discovery. Rec

发表于:2019-01-02 / 阅读(410) / 评论(0) 分类 2017年VOA慢速英语(五)月

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? During the last ice age our problem was too little carbon. Unlike today where too much carbon is causing global warming. Past glacial ages occurred partly because

发表于:2019-01-08 / 阅读(421) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Farmers fertilize their fields to get the maximum meal from their crops. But the effects of these loads of nitrogen and phosphorous extend beyond the field and past

发表于:2019-01-08 / 阅读(408) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(422) / 评论(0) 分类 Scientific American(四)月

Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known

发表于:2019-01-14 / 阅读(381) / 评论(0) 分类 VOA标准英语2012年(十月)

Will Your Prescription Meds Be Covered Next Year? Better Check! DAVID GREENE, HOST: If you're regularly taking prescription medication, you might want to check with your insurance company to see if those medications will be covered next year. The two

发表于:2019-01-17 / 阅读(357) / 评论(0) 分类 2016年NPR美国国家公共电台8月

What then of manned space exploration? 那载人的空间探索呢? The government recently announced plans to return to the moon by 2024. 美国政府最近宣布了2024重返月球的计划。 The successful conclusion of that mission will result

发表于:2019-01-18 / 阅读(390) / 评论(0) 分类 TED演讲商业篇

The 9/11 terrorist attack in New York not only killed people. It also killed local businesses, too, as many residents and companies moved out of the devastated area. 10 years on things are finally recovering. One Chinese restaurant has been part of t

发表于:2019-01-19 / 阅读(367) / 评论(0) 分类 世界各地新闻集锦

The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式,现在,人类不

发表于:2019-01-26 / 阅读(500) / 评论(0) 分类 经济学人综合

The first human inhabitants(居民 ) of North America settled at least 2,500 years earlier than the people previously identified as the first Americans. So say archaeologists, who have unearthed a trove of stone artifacts belonging to the early A

发表于:2019-01-31 / 阅读(347) / 评论(0) 分类 英语新闻

CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University

发表于:2019-02-06 / 阅读(392) / 评论(0) 分类 英语新闻

首先,我建议同学们不要上完辅导班就去参加考试。虽有趁热打铁之说,但是我相信绝大部分同学在上课期间已经把大部分的精力用于听讲和记笔记了,回家之后基本上就直奔安乐窝了。能够

发表于:2019-02-14 / 阅读(444) / 评论(0) 分类 雅思英语

Saying Good-bye to Cambridge Again --by Xu Zhimo 再别康桥 徐志摩 Very quietly I take my leave As quietly as I came here; Quietly I wave good-bye To the rosy clouds in the western sky. The golden willows by the riverside Are young brides in the

发表于:2019-02-18 / 阅读(457) / 评论(0) 分类 阅读空间

世界本没有长难句,修饰成分多了,便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候,多思考,一个句子为什么这么长,常见的修饰成分到底有哪些?

发表于:2019-02-18 / 阅读(460) / 评论(0) 分类 托福英语
学英语单词
abortations
alloantiserum
alpine-touring
anise cookie
Atha's alloy
backstyle
barometric condenser
blast-resistant design
bomb plot
brush block
bulk shielding test
Campestre-et-Luc
Carcinides
career-preparation
carry shift
cavitation hysteresis
Celtiberian
chirpse
closure fitting
cobaltous perchlorate
core-sand moulding
corpuscle of Grandry
counter attack
counterrotation
coxsone
Davidsonian
debris-flow
deck tackle
depacking
desplechin
dingwalls
driven transmitter
dual channel universal interface
electric reser
encephalitis virus
eoqc (european organization for quality control)
exclusive to
expansion loss
extracapsular
go and eat coke
heat dam
hypsophobia
inference to the best explanation
innocent bystander
inspection of risk
insulation ability
introduced
ionic surface active agent
jala
lacrymatories
long-time running
lord macaulays
low-noise line
marine environmental pollution damage
marine invertebrate zoology
market stable
mechanized assemblytechnique
mesosilicate
micromagnet
Morelli method
nanowatt integrated circuit
net balls
non-aqueous system
nua
pantropical
parcel post insurance
Phomin
pin vice
pipettes
Potenza, Fiume
powder sample plate
power quality evaluation
pressed the flesh
Priorums
propheromone,prepheromone
radiating far-field region
RMUI
romers
Saorstat Eireann
scare campaign
scarificato
shiver in one's shoes
sightly
single-mast s/r machine
sirio
spinasaponin
subarcuated
symmetry centre
systemizer
tank training
therapeutic tattoo
tikkanen
top-down integration
traction current
ultimate noise performance
urostyles
vagina
variable input price
wadi
Willesborough
yukked
zygopodia