气层放射性;大气中的放射性,气载放射性

[00:01.00]New Standard English Senior High Student's Book 3 [01:25.95]Model 1 Europe [01:30.09]Reading and Vocabulary [01:31.59]Great European Cities [01:34.13]PARIS [01:35.61]Paris is the capital and largest city of France, [01:40.75]situated on the

发表于:2018-12-04 / 阅读(356) / 评论(0) 分类 外研社新标准高中英语必修(1-4)

THE MAKING OF A NATION - American History: Life in the 1970s and '80s STEVE EMBER: Welcome to THE MAKING OF A NATION -- American history in VOA Special English. I'm Steve Ember. This week in our series, we look back at some of the social issues and c

发表于:2018-12-07 / 阅读(165) / 评论(0) 分类 2012年VOA慢速英语(一)月

发表于:2018-12-11 / 阅读(174) / 评论(0) 分类 VOA标准英语2014年(三月)

[00:00.00]Unit 2 [00:05.20]She is very,very good. [00:09.85]Activity 1 [00:14.89]Listen and repeat. [00:21.13]cake [00:23.98]name [00:28.84]radio [00:33.78]dad [00:38.43]have [00:42.27]stand [00:45.22]China [00:50.18]machine [00:54.91]Christmas [00:5

发表于:2018-12-12 / 阅读(149) / 评论(0) 分类 新标准小学英语活动用书6册(一年级起点)

[00:00.00]Module 3 [00:25.60]Unit 3 [00:32.76]Yes,I do. [00:37.69]Activity 1 [00:44.07]Listen and repeat. [00:51.12]get up [00:57.47]have breakfast [01:06.82]go to school [01:16.46]have lunch [01:26.60]go home [01:36.55]have dinner [01:46.50]do homew

发表于:2018-12-12 / 阅读(150) / 评论(0) 分类 新标准小学英语活动用书3册(一年级起点)

Unit 4 I want to be an actor. SECTION A [00:07.13]Activity 1b.Listen and number the people [1-3] in the picture above. [01:00.13]Activity 2a.Listen and number the pictures[1-3] below. Activity 2a.Listen and number the pictures[1-3]below. [02:02.04]Ac

发表于:2018-12-13 / 阅读(306) / 评论(0) 分类 新目标初中英语七年级

[00:23.48]STARTER UNIT 1 [00:27.32]Hello!I'm Amy. [00:31.37]Section A Activity 1b [00:37.30]Listen and number the names you hear [1-5]. [00:44.38]conversation 1 [00:48.04]Beth:Hello,Eli.Good morning. [00:52.58]Eli:Good morning,Beth. [00:55.93]convers

发表于:2018-12-13 / 阅读(312) / 评论(0) 分类 新目标初中英语七年级

UNIT 3 What's this in English? [00:06.40]Section A Activity 1b [00:12.15]Listen and circle the things you hear. [00:17.11]conversation 1 [00:20.77]A:What's this in English? [00:24.22]B:It's a ball. [00:27.38]conversation 2 [00:31.01]A:What's this? [0

发表于:2018-12-13 / 阅读(282) / 评论(0) 分类 新目标初中英语七年级

UNIT 2 [00:03.81]Nice to meet you! [00:07.34]Section A [00:10.79]Activity 1b [00:15.05]Listen and circle the names you hear. [00:20.22]Jhon:Good evening,Amy. [00:23.77]Amy:Good evening,John [00:27.30]Amy:This is Jhon.This is my father, George And my

发表于:2018-12-13 / 阅读(327) / 评论(0) 分类 新目标初中英语七年级

Health Report - Brains Gain From Physical Activity by Older People This is the VOA Special English Health Report. Increasing evidence suggests that being active can reduce a person's risk of dementia. Dementia is the name for the effects of Alzheimer

发表于:2018-12-16 / 阅读(137) / 评论(0) 分类 2011年VOA慢速英语(七)月

This is Scientific America's Sixty-Second-Science. I am Steve Mirsky. Got a minute? Some interesting electrical activity in the clouds of ash drifting around Europe as a result of that Icelandic volcano. Models predicted that electrical charge should

发表于:2018-12-24 / 阅读(164) / 评论(0) 分类 Scientific American(五)月

Health Report - With Physical Activity, No Need to Be an Olympian This is the VOA Special English Health Report. Watching the Olympics probably made some people feel a little guilty about not exercising. The truth is, if physical inactivity were a sp

发表于:2019-01-08 / 阅读(163) / 评论(0) 分类 2012年VOA慢速英语(九)月

[00:00.00]Unit 3 [00:05.59]He's shy. [00:09.25]Activity 1 [00:14.60]Listen and point. [00:20.56]Then say. [00:23.90]What's he like?He's naughty. [00:30.07]What's he like?He's quiet. [00:37.93]What's he like?He's clever. [00:43.68]What's he like?He is

发表于:2019-01-09 / 阅读(274) / 评论(0) 分类 新标准小学英语活动用书6册(一年级起点)

[00:00.00]Unit 2 [00:05.20]I'm a little teapot. [00:08.93]Activity 1 [00:14.00]Listen and repeat. [00:20.14]nose [00:23.07]old [00:25.86]radio [00:28.79]dog [00:31.43]body [00:34.09]from [00:36.94]today [00:39.68]pilot [00:44.62]second [00:49.97]come

发表于:2019-01-09 / 阅读(249) / 评论(0) 分类 新标准小学英语活动用书6册(一年级起点)

Physical Activity Linked to School Achievement Pushing aside physical education to focus on academic subjects, such as math or reading, could have a negative impact on achievement, according to new reseach which finds physically-active students do be

发表于:2019-01-11 / 阅读(174) / 评论(0) 分类 VOA标准英语2012年(一月)

By Phuong Tran Dakar 15 January 2007 Rebels in Chad say they have seized a second town in the remote northeast as they resume low-intensity hit and run operations against the government. Government officials deny reports that Chadian soldiers have ce

发表于:2019-01-11 / 阅读(200) / 评论(0) 分类 2007年VOA标准英语(一月)

This is the VOA Special English Health Report. How active you are early in life may affect how able-minded you are late in life. That was the finding of a new study of cognitive impairment, or a loss in mental abilities. The study involved more than

发表于:2019-01-11 / 阅读(182) / 评论(0) 分类 2010年VOA慢速英语(七)月

[00:00.00] Unit 2 What were you doing when I came in? [00:06.64]Activity 1.Intonation:Listen and point. [00:16.30]Is it a question,an answer or a command? [00:22.33]1.on the table 2.Under the chair [00:31.66]3.in the box 4.next to the bed [00:43.15]5

发表于:2019-01-15 / 阅读(323) / 评论(0) 分类 北外版新标准小学英语第六册(三年级起点)

BEIJING, March 29 (Xinhua) -- Chinese President Xi Jinping on Wednesday stressed the importance of afforestation and urged people, especially the young, to understand and protect nature via tree planting activities. Chinese PresidentXi Jinpingtalks w

发表于:2019-02-05 / 阅读(207) / 评论(0) 分类 cctv9英语新闻2017年

A new study finds regular physical activity as a teenager may prevent cognitive impairment - a decline in mental abilities - decades later. Previous studies found that people who were physically active in later life were more likely to avoid mental d

发表于:2019-02-07 / 阅读(207) / 评论(0) 分类 VOA标准英语2010年(七)月
学英语单词
admicelle
alpha-endorphin
anti-submarine early warning system
atlantic ridleys
backward diagonal
balance accounts with somebody
Bihendula
bimastoid
binary zone plate
blared
blockin
booooom
bosjesman
bottle-nosed step
burn phone
bursa muscli poplitei
button your lip
capicolas
check-out counter
cobaltous pentathionate
code ringing
continuous message source
cubital interosseous bursa
cursest
D.D.Sc.
data plottor
detailed negotiation rounds
devils paw
diagnosticians
dipodand
dove-tail joint
dye-based
excentric
fixing moment
fluctuations trade
Furongian
general charge
Gentiana clarkei
genus Mitella
giulini
hairy heart
he who laughs last, laughs best
high voltage glow discharge lamp
Hoffman, Ernst Theodor Amadeus Wilhelm
Holmantag
hydrogen bridges
ibarra
inclusivenesses
incumbrance
Inner Sound
land structure
lightcraft
liquid ketones
littleneck
lunar stratigraphy
mahmoud ahmadinejad
make bail
mechanical Q-switch
Mesidicaine
metre full scale
Microturbo
mini-marts
mintages
miravirsen
multi-screw
myeloid tissue
myristonitrile
nutation sensor
office-hunter
osteochondritis ischiopubica
particle radius
patient rights
petaurids
Phenchlor
picked coal
Planum subcostale
plewd
price catalog
provitamin
pseudo-heavy media
pulmonia
Quick style
reaction correspondence
relapseth
rounded bilge
smart tool
sodomisers
structure of the labour force
Séguéla
tannal
the more
thick context
through kilometrage
toquillas
torque limiter
true vocal cord
two-channel disk phonograph sound reproduction
unattended standby time
unparks
variable parameters model
winged petiole
zinc-barium-lead glass