生态递阶模型

[00:03.89]You will hear three pieces of recorded material. [00:08.75]Before listening to each one, [00:12.90]you will have time to read the questions related to it. [00:17.55]While listening, [00:20.72]answer each question by choosing A, B, C or D. [

发表于:2018-12-03 / 阅读(193) / 评论(0) 分类 最新版英语听力教程

[00:03.50]You'll hear three pieces of recorded material. [00:08.18]Before listening to each one,you'll have [00:11.94]time to read the questions related to it. [00:16.38]While listening,answer each question by choosing A,B,C or D. [00:21.97]After lis

发表于:2018-12-03 / 阅读(173) / 评论(0) 分类 最新版英语听力教程

[00:03.68]You'll hear three pieces of recorded material. [00:08.33]Before listening to each one,you'll have time to read the questions related to it. [00:14.71]While listening,answer each question by choosing A,B,C or D. [00:21.55]After listening you

发表于:2018-12-03 / 阅读(243) / 评论(0) 分类 最新版英语听力教程

[00:03.81]You'll hear three pieces of recorded material. [00:08.67]Before listening to each one, [00:12.12]you'll have time to read the questions related to it. [00:16.98]While listening,answer each question by choosing A,B,C or D. [00:23.04]After li

发表于:2018-12-03 / 阅读(244) / 评论(0) 分类 最新版英语听力教程

[00:28.50]You'll hear three pieces of recorded material. [00:33.36]Before listening to each one, [00:36.91]you will have time to read the questions related to it. [00:42.06]While listening,answer each question by choosing A,B,C or D. [00:48.33]After

发表于:2018-12-03 / 阅读(262) / 评论(0) 分类 最新版英语听力教程

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 even It's even colder than yesterday.

发表于:2018-12-05 / 阅读(168) / 评论(0) 分类 每日攻克5词

Exhibit Highlights Butterfly's Beauty, Diversity, Value to Ecosystem Flying Canvases They are gentle, colorful creatures that move with grace and flair. And in a warm and humid enclosure at the Smithsonians National Museum of Natural History in Washi

发表于:2018-12-08 / 阅读(194) / 评论(0) 分类 VOA标准英语2013年(三月)

This is Scientific Americans 60-second Science. Im Karen Hopkin, This will just take a minute. Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand, or the back of your knee, or behind your ears? Pr

发表于:2018-12-24 / 阅读(148) / 评论(0) 分类 Scientific American(五)月

[00:03.58]You will hear three pieces of recorded material. [00:08.15]Before listening to each one,you'll have time to [00:12.59]read the questions related to it. [00:16.25]While listening,answer each question by choosing A,B,C or D. [00:22.13]After l

发表于:2018-12-27 / 阅读(238) / 评论(0) 分类 最新版英语听力教程

[00:05.69]Before listening to each one,you will have time to read [00:10.14]the questions related to it. [00:13.90]While listening,answer each question by choosing A,B,C or D. [00:20.24]After listening, [00:23.41]you will have time to check your answ

发表于:2018-12-27 / 阅读(244) / 评论(0) 分类 最新版英语听力教程

[00:28.50]You'll hear three pieces of recorded material. [00:33.18]Before listening to each one,you will have time to [00:38.14]read the questions related to it. [00:41.80]While listening, [00:44.67]answer each question by choosing A,B,C or D. [00:50

发表于:2018-12-27 / 阅读(247) / 评论(0) 分类 最新版英语听力教程

中文 英文 缩写 分发表 Distribution List DL 分发接口 distribution interface 分发型业务 distribution service 分割振铃 split ringing 分机 extended station/extension 分机号 exte

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 电信英语

Half Duplex Half duplex is a transmission path capable of transmitting signals in both directions, but only in one direction at a time. HDLC high-level data link control Header The header is control i

发表于:2019-01-03 / 阅读(208) / 评论(0) 分类 电信英语

Asian Carp now outnumber native fish in many areas of the United States and their expansion particularly threatens the fragile ecosystems of the Great Lakes. In an effort to control algae growth, catfish farmers in the southern United States introduc

发表于:2019-01-13 / 阅读(164) / 评论(0) 分类 VOA标准英语2010年(七)月

Kenya's ocean waters are home to five out of the world's eight species of turtles. All are classified as either endangered or critically endangered, and are threatened by poaching, fishing nets, development and pollution. The conservation groups Wata

发表于:2019-01-13 / 阅读(138) / 评论(0) 分类 VOA标准英语2010年(七)月

今天我们要学的词是role model。 Role model, 榜样。 For black women across the country, Michelle Obama is a new role model, 对于美国各地的黑人女性来说,米歇尔奥巴马是她们新的楷模。奥巴马当选美国总统后,

发表于:2019-01-31 / 阅读(133) / 评论(0) 分类 英语每日一词

BEIJING, May 12 (Xinhuanet) -- Italian archaeologists(考古学家) are digging the remains of Lisa Gherardini, a 16th-century woman who is widely believed to be the model for the famous portrait Mona Lisa, AFP reported on Wednesday. The team of hist

发表于:2019-02-08 / 阅读(175) / 评论(0) 分类 英语新闻

今天我们要学的词是role model。 Role model, 榜样。 For black women across the country, Michelle Obama is a new role model, 对于美国各地的黑人女性来说,米歇尔奥巴马是她们新的楷模。奥巴马当选美国总统后,

发表于:2019-02-18 / 阅读(132) / 评论(0) 分类 英语单词荟萃

An increasingly popular business model lets participating companies give to charity while making a profit. But the approach is blurring the lines between for-profit and not-for-profit organizations and raising questions about the real drivers behind

发表于:2019-02-19 / 阅读(207) / 评论(0) 分类 英语新闻

国务院总理李克强9月1日主持召开国务院常务会议。会议指出,建立分级诊疗制度(hierarchical medical system),是深化医改的重要举措,有利于促进优质医疗资源下沉,推进基本医疗卫生服务均等化

发表于:2019-02-25 / 阅读(145) / 评论(0) 分类 英文语法词汇
学英语单词
admirably
alphanumerical information
antiscarlatinal
arteriae coronaria sinistra
associative memory match
automatic optimization system
Balmung, Balmunc
bead thermister
bent trimmers
Berserkeley
Beveridge Reef
bidirectional optical network
black and white panchromatic roll
blood plasmas
botynge
calebassinine
carbofurans
centric lock
chamfraining
clostridial
colloquialising
come up for
conjunctival petechia
cost reimbursable contract
crude heat exchanger
dielectric constant detector
diethylpropion
display editing system
enaopthalmos
equipment reliability
equivalent period
front area of the plant
geodesic domes
glomuliferous
high-stomached
home wreckas
hurtest
hyperbrachycephaly
indicia of title
infiltration anesthesia
jimmal
junction motion
labyrinth gland packing
lee ho
light-harvesting center
lockboard
Luxembourg Monetary Institute
marketing contract
maudlinworts
midifying agent
Modred
natural granule
naturalisms
net necrosis
neutron-produced daughter
nitrogen oxychloride
non corporate
Novochlor
oil-fields
olefinic acid
organiser
paroxysmal hypertension
participation in the profit
Passader See
peieris instability
percarbonic acid
postrevolutionary
pouring truck
Pourthiaea villosa
put sheathe the sword
quite a different pair of shoes
rate agreement
reaction species
received processing program
red -spotted trout
rule against
Rushmore, Mount
sacrectomy
short-lived
slit membrane
small-engine
soft coke
standardized component
striking-energy
takasagohadra multifasciata
take-home
target client
test-pattern generat
the happy day
thielicke
thiocyanogen vaiue
time budget
time-variant parameter
true to ... name
ultraviolet photometer
unoprostone
used catalyst
usnea ogatai
variable manufacturing overhead expenses
war bride
wrote
wsf