洛特卡 沃尔泰拉模型

[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(218) / 评论(0) 分类 最新版英语听力教程

[00:05.49]Part A Directions: [00:09.33]For Questions 1~5,you will hear a narrative. [00:13.69]While you listen,fill out the table with the information you've heard. [00:19.36]Some of the information has been given to you in the table. [00:24.01]Write

发表于:2018-12-03 / 阅读(198) / 评论(0) 分类 最新版英语听力教程

[00:00.00]Questions 15-18 are based on the following News Report. [00:31.40]You now have 20 seconds to read Questions 15-18. [00:38.16]W:In the twentieth century numerous new nations have been formed. [00:46.21]Though their peoples often enjoy [00:50

发表于:2018-12-03 / 阅读(217) / 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(202) / 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(276) / 评论(0) 分类 最新版英语听力教程

[00:32.81]Directions: [00:35.76]For Questions 1-5,you will hear an introduction about [00:40.83]the achievements of Steven Spielberg. [00:45.37]While you listen,fill out the table with the information you've heard. [00:50.55]Some of the information h

发表于:2018-12-03 / 阅读(228) / 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(273) / 评论(0) 分类 最新版英语听力教程

[00:03.58]You will hear three pieces of recorded material. [00:08.33]Before listening to each one,you will have [00:12.41]time to read the questions related to it. [00:16.85]While listening,answer each question by choosing A,B,C or D. [00:23.41]After

发表于:2018-12-03 / 阅读(275) / 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(289) / 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(185) / 评论(0) 分类 每日攻克5词

[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(253) / 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(259) / 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(267) / 评论(0) 分类 最新版英语听力教程

The same mathematical models used to study the hunting range of lions have many other applicationsthey describe the flight patterns of honeybees. And now researchers say these math models can help explain the stability of gang territories and pattern

发表于:2019-01-08 / 阅读(188) / 评论(0) 分类 Scientific American(七)月

Experts: Zika Could Infect 93 Million in Americas 专家称Zika病毒或每年感染9300万美洲人 Health experts have a new warning about Zika virus. They say the virus will keep spreading before the Zika epidemic finally ends. 健康专家有一个

发表于:2019-01-12 / 阅读(235) / 评论(0) 分类 2016年VOA慢速英语(八)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(153) / 评论(0) 分类 英语每日一词

The U.S pleaded to deepen cooperation with South Korea and Japan on deterring the North Korean nuclear threat. President Obama also met with China's President on the sidelines of a nuclear security summit in Washington. A police traffic camera caught

发表于:2019-02-07 / 阅读(160) / 评论(0) 分类 英语新闻

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(189) / 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(144) / 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(224) / 评论(0) 分类 英语新闻
学英语单词
-stomatous
45s
a three-step process
ABM (automated batch mixing)
acrosses
aluminized
Amussiopecten
antenna excitation
antiparabema
arith.
arizona white oaks
Austin Moore prosthesis
authentication state
auxiliary absorber
B.f.s.l
Banach manifold
bankers' bank
benzoylketene
bluff work
Brahmo Samaj
brown madder alizarin
can dryer
capacitance of conductor
chloroisobutane
cluster weapon
command socialism
complex material
Cuban itch
Cuneometatarsal
Daeheuksando
decimus junius juvenaliss
Diospyros balfouriana
DORV
double action pedal
doxed
drape structure
drawn by
edit dump
erecting drawing
even-par swap
extra fine fit
false uniqueness effect
filmings
harbry
high temperature effects
high-pressure science
illiberalizing
ilyssa
impinguating
interactive debugging
interlinear spacing
isometric change
JGA
katutura
mahilda
march period
maximiliano
megasporocytes
microelectrode system
neon-helium recovery plant
nicholas iis
nutritionalist
nvm
photoisomerisations
photosequences
physiological isochronism
pummeloes
racialisations
radices levistici
saturation type
sectionising
shepsters
sienese
sketch out
soft-budget
soil environment
spiralled water hose
squawk ducks
standard body cross
strong phoneme
strontium thiosulfate
take the measure of someone's foot
tang
task fleet
tetrakosanes
thorazine
time index
tnes
total net worth
transmission-line inductance
transposition block
transverse coast
trase
trudging
truisms
turbridge
ulothrix zonata thur.
unipolar lead of electrocardiogram
variable-geometry turbocharger
ventana
Westerburg
Wigner force