沉积水成岩

But even if there had been water, life doesn't start overnight. Even a simple microbe is the product of complex chemical systems that take millions of years to evolve. Had the water lasted long enough

发表于:2018-12-07 / 阅读(104) / 评论(0) 分类 火星生命

“And so with Magellan we’ve got the first chance, one of the first chances, ok, to really get a complete map and view of it.” The Venusian landscape has a desert-like appearance, but it’s a go

发表于:2018-12-07 / 阅读(107) / 评论(0) 分类 寻访外星人

有声名著之双城记 CHAPTER VIII Monseigneur in the Country A BEAUTIFUL landscape, with the corn bright in it, but not abundant. Patches of poor rye where corn should have been, patches of poor peas and beans, patches of most coarse vegetable sub

发表于:2018-12-14 / 阅读(147) / 评论(0) 分类 有声名著之双城记

Time now for business news. There was plenty of bad news on the economic front yesterday. Stock prices slid while the cost of a barrel of oil rose by more than two dollars and forty cents. One reason for the moves was a steep drop in the value of the

发表于:2018-12-17 / 阅读(169) / 评论(0) 分类 2009年NPR美国国家公共电台7月

Park's Hardware The rumor proved all too bitterly true: Park's Hardware, a downtown institution of Orono, Maine, since 1898, would be closing. Word spread quickly. Locals cajoled, cross-examined, and pleaded with Lin, the owner of the store, to no av

发表于:2018-12-28 / 阅读(238) / 评论(0) 分类 跟希哥学英语

JEFFREY BROWN: Next: The home of one of golf's most prestigious tournaments, the Masters, admits women for the first time. Ray Suarez has the story. RAY SUAREZ: One of the most exclusive private golf clubs in the country, Augusta National, has been u

发表于:2018-12-31 / 阅读(126) / 评论(0) 分类 PBS访谈社会系列

After I took office as mayor of a small Kentucky city, an unfortunate incident precipitated some hateful phone calls to my home. One night while I was conducting a city-council meeting, my wife answer

发表于:2019-01-03 / 阅读(123) / 评论(0) 分类 英汉幽默故事选读

U.S. Ambassador Alexander Laskaris, the Deputy Commander for Civil-Military Engagement at United States Africa Command, or AFRICOM, held high-level meetings in Freetown, Sierra Leone, earlier this month as part of a series of engagements across West

发表于:2019-01-03 / 阅读(306) / 评论(0) 分类 VOA标准英语2018年(五月)

Break-ups are never easy. Whether you were just dating or married, with or without kids, it hurts when a relationship ends. To spend time grieving is perfectly natural and healthy but there comes a time when your heart yearns to be healed. The follow

发表于:2019-01-08 / 阅读(111) / 评论(0) 分类 英语小短文

Break-ups are never easy. Whether you were just dating or married, with or without kids, it hurts when a relationship ends. To spend time grieving is perfectly natural and healthy but there comes a time when your heart yearns to be healed. 分手从来

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 英语阅读理解

Lesson Twenty 听力部分 Dialogue Completion: Listen to the tape repeatedly and try to complete the following dialogues, using the exact words or phrases that you hear on the tape. A A: Please ______________ for the ______. B: Cynthia C-H-A-R-L-T-O

发表于:2019-01-14 / 阅读(190) / 评论(0) 分类 王强口语 第二册

A railroad train was rushing along at almost lightning speed. 火车近乎闪电般飞奔疾驰, A curve was just ahead, beyond which was a station where two trains usually met. 前方有一处拐弯,拐弯过去通常是两列火车交汇站台。

发表于:2019-01-17 / 阅读(94) / 评论(0) 分类 美国语文第五册

Zhou Yahui, chairman of the online gaming company Kunlun, has agreed to a divorce settlement with his wife Li Qiong, the company announced last Tuesday. 网游公司昆仑上周二宣布,该公司董事长周亚辉和其妻子李琼达成了离婚协

发表于:2019-02-01 / 阅读(137) / 评论(0) 分类 阅读空间

A doctor was having an affair with his nurse. Shortly afterward, she toldhim she was pregnant. Not wanting his wife to know, he gave the nurse asum of money and asked her to go to Italy and have the baby there. But how will I let you know the baby is

发表于:2019-02-05 / 阅读(109) / 评论(0) 分类 趣味英语

The head of the Arab League has expressed concern about the decision of the International Criminal Court's chief prosecutor to seek an arrest warrant for Sudan's president. As Derek Kilner reports from VOA's East Africa bureau in Nairobi, the Arab L

发表于:2019-02-06 / 阅读(106) / 评论(0) 分类 VOA标准英语2008年(七月)

By Lisa Bryant Paris 17 September 2007 U.S. Treasury Secretary Henry Paulson sounded an upbeat note on the world economy Monday, despite the recent turmoil roiling the markets. Paulson's remarks came during a trip to Paris. Lisa Bryant has more from

发表于:2019-02-06 / 阅读(195) / 评论(0) 分类 2007年VOA标准英语(九月)

Chinese nationals became the largest foreign buyers of US homes last year as they pour billions into American real estate, seeking safe offshore assets, according to a new study. 根据一项最新研究表明,中国人去年成为了美国房地产的

发表于:2019-02-07 / 阅读(87) / 评论(0) 分类 英语新闻

作文话题:The best way to teach is to praise positive actions and ignore negative ones. The recommendation presents a view that I would agree is successful most of the time, but one that I cannot fully support due to the all or nothing impressio

发表于:2019-02-09 / 阅读(97) / 评论(0) 分类 GRE作文

After I took office as mayor of a small Kentucky city, an unfortunate incident precipitated some hateful phone calls to my home. One night while I was conducting a city-council meeting, my wife answered the phone. Is this the home of Bert May, the ma

发表于:2019-02-18 / 阅读(140) / 评论(0) 分类 趣味英语

一、rather than用作连词,连接两个平行结构。既可以表示主观愿望上的决择,与其宁可,也可以表示客观程度上的差异,与其说是不如说是。例如: 1、接代词 1)I,rather than you,should do the work.

发表于:2019-02-20 / 阅读(103) / 评论(0) 分类 英文语法词汇
学英语单词
acne-vulgaris
albrittons
American Bulldog
anomorphic zone
arthrotus adbominalis
asarum crassusepalum
ASPD
b. f. p.
biosocially
blank reciprocal lattice
Breda virus
butyrosin
card-like
celomic
channel lease
cierne klacany
co-riparian
condolore
cytosine
deflavorizing machines
Derris caudatilimba
deterministic safety assessment
direct vision spectroscope
disk (disc)
economic slack
engaged side
enprison
erd
esteban
executive control statement
extern
feom
final clearing
four-tone telegraph system
garden strawberry
Ghadīr, Khawr
grease the palm of
group knot
group network
hanash
healthy condition
heart shaped hoe
holandric gene
hospital staff
hurly
in ... view
joint though
Junglinster
Leavisian, Leavisite
list processing program
manual steering force
means of proof
multipolar neurons
nay
neutron mirror
nondomain
nonhousehold
nonpolarizable
nursing interventions
octaloops
of myself
one side tapered grinding wheel
originator/recipient address (o/r address)
out on loan
payroll software
phase-to-earth overvoltage per unit
pilot cable
polychromise
preases
pressure deviation
pulse-electromagnetic force
reasonings by elimination
repeated bending test
resonance rayleigh scattering
Rosa giraldii
salinas pueblo missions national monument
self-driven instrument
self-ventilated
serveth
shilf
side-tracking
sink unit
soap scum
soft macro
sowdan
spacecrew
spring collet
stationary guide
steering gear ratio
step budget
sterk
sweep-second hand
television console
third service
tool rest
topsy-turvier
unit reference code
video display unit
visualization(in computer graphics)
worddeaf
X-opac
zelkova tree