细菌指示物

Exercise 1-23; Syllable Count Test CD 1 Track 33 Put the following words into the proper category based on the syllable count intonation. Write the pattern number in the space provided. Check Answer Key, beginning on p. 193. Single Words l. stop __

发表于:2018-11-28 / 阅读(374) / 评论(0) 分类 美语口音训练第一册

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:05.20]1995 [00:07.51]Sleep is divided into periods of so-called REM sleep, [00:11.56]characterized by rapid eye movements and dreaming, [00:14.68]and longer periods of non-REM sleep. [00:17.50

发表于:2018-11-30 / 阅读(262) / 评论(0) 分类 历年考研英语完型填空

[00:00.00]1.May I ask you a little favor? [00:03.36]请你帮我个忙好吗? [00:06.71]2.Yes,please. [00:08.52]好的,请说。 [00:10.32]3.When can I catch the bus for Tianmu? [00:13.96]去天母的公共汽车我在哪里乘? [00:17.61]4.At

发表于:2018-12-05 / 阅读(244) / 评论(0) 分类 交通英语会话

Michael采用老犯人Charles的计策,递交过敏体质的人权申诉。监狱长和Michael一起搭建泰姬陵模型时,谈到这个用拖延时间来避免被转走的策略。 [00:07.49]Listen and Share [00:41.56]Michael [00:42.98]Charles [00:47.97]Michael [00:58.79]How are those allergies? [

发表于:2018-12-07 / 阅读(235) / 评论(0) 分类 纸牌屋第一季

STEVE INSKEEP, HOST: Some new parents have started giving their newborns what's being called a bacterial baptism. The idea is to try to help their babies develop healthy microbiomes, the collection of friendly bacteria that inhabit everyone's bodies.

发表于:2018-12-17 / 阅读(185) / 评论(0) 分类 2018年NPR美国国家公共电台10月

This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact

发表于:2018-12-24 / 阅读(168) / 评论(0) 分类 Scientific American(五)月

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(218) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(190) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(244) / 评论(0) 分类 Scientific American(一)月

序号 中 文 英 文 术语解释 缩写 来源 101 操作维护中心 Operation and Maintenance Center OMC YD/T 1221.1-2002 102 光分插复用器 Optical Add/Drop Multiplexer OADM YD/T 1205-2002 1

发表于:2019-01-08 / 阅读(227) / 评论(0) 分类 电信英语

Experts: Let Produce Dry Out to Avoid Bacteria American researchers say farmers should wait one day after a rain storm or watering their fields to harvest fresh fruits and vegetables. They say gathering the crops at least 24 hours after rainfall incr

发表于:2019-01-12 / 阅读(337) / 评论(0) 分类 2015年VOA慢速英语(七)月

Flatulence, or passing gas, is a normal daily phenomenon. 胀气,或者放屁,是正常的日常现象。 Most individuals, yes, that includes you, 大多数人,是的,这包括你, will make anywhere from 500-1500 milliliters of gas and ca

发表于:2019-01-17 / 阅读(222) / 评论(0) 分类 TED演讲教育篇

今天我们要学的词是indicator。 Indicator, 指示,信号。20国集团财长在巴黎开会并达成协议。 The agreement lays out a list of indicators that can be used to monitor the progress made by member countries in reducing imbalanc

发表于:2019-01-25 / 阅读(188) / 评论(0) 分类 英语每日一词

Girls waistlines have expanded by almost four inches in 30 years, figures show. 数据显示,女孩子的腰围在30年内将上升到约4英寸。 Rising levels of obesity mean that the average 11-year-olds waist is more than 27.6in, compared to 2

发表于:2019-02-03 / 阅读(199) / 评论(0) 分类 实用英语

Time again for our Website of the Week, when we showcase interesting and innovative online destinations. The World Bank lends money to promote development, and to help achieve its goals it collects a lot of data. For years, the World Bank has been on

发表于:2019-02-03 / 阅读(219) / 评论(0) 分类 VOA标准英语2010年(五)月

今天我们要学的词是indicator。 Indicator, 指示,信号。20国集团财长在巴黎开会并达成协议。 The agreement lays out a list of indicators that can be used to monitor the progress made by member countries in reducing imbalanc

发表于:2019-02-03 / 阅读(212) / 评论(0) 分类 英语单词荟萃

US scientists have stripped life back to its bare essentials creating a synthetic microbe with the absolute minimum genetic information needed to grow and reproduce. 美国科学家将生命的多余部分剔除,只留下最基本的要素,由此创

发表于:2019-02-05 / 阅读(214) / 评论(0) 分类 英语新闻

Chinese shares posted their biggest one-day fall in a month yesterday, with indices closing more than 6 per cent lower after a late sell-off. 中国股市昨天出现一个月来最大单日跌幅,在尾盘抛售之后,沪深股指收跌逾6%。

发表于:2019-02-06 / 阅读(233) / 评论(0) 分类 英语新闻

Six New Year's Resolutions Getting healthy need not be overwhelming. Here are six simple, straightforward ways to get on track toward optimum health in the new year. 1. Post It On the Fridge! Adopt the Anti-Inflammatory Diet The anti-inflammatory die

发表于:2019-02-17 / 阅读(237) / 评论(0) 分类 阅读空间

Bacteria are the oldest living organisms on the earth. 细菌是地球上最古老的生物。 They've been here for billions of years, and what they are are single-celled microscopic organisms. 它们已经存在数十亿年了,它们是单细胞微

发表于:2019-03-04 / 阅读(321) / 评论(0) 分类 TED演讲教育篇
学英语单词
a cloud on one's brow
airless injection
alaska-yukon
AlterNet
alum speck
bakelite cylinder
bank span
barrel of monkeys
battle through
be well-off for
beauxite
big-5 code
black redstarts
blende roaster
boll weevils
Celcure
cinematization
confineable
congenitalis
construction time limit
control spaces
cortical sensibility
Cyperus nipponicus
digital remastering
dive bombing
Divide-Tab
draft agreement
drop pawl
Duns Scotus
dyckman
electrical continuity
encumeada
European Convention
expectancy-value theory of motivation
flight trainer
gizehs
have lots of sides
holdt
huaquero
inductothermy apparatus
inter-offices
inundated
iodohydric
jewstone
kaoka b. (kau kau b.)
keying modulation circuit
kunsmiller
locally random set of numbers
magnetic neutron scattering
marginal information
match whole word only
modulation plan
motor-operated rheostat
Möng Hsat
neon spark tester
nonagenarians
normal emissivity
nuclear material safeguards
nugrass flatsedge
number of documents
ochoas
ordinary cause of trade
outbattling
outrigger pad
perfecter
pericladium
Pilgerodendron
pollens
poly-phenylalanine
process-related
quad core
reelining chair
release trunk
reproduce to scale
revisit rate
same-stores
seajacker
semins
septre
silent disco
speed well
sprott
stegodonts
stop a check
supremacist
swingbins
teston
three-dimensional geodesy
to distil
track lifting and lining tool
trussed frame
tussock type prairie
ultraviolet erythema
urea complex method
user processor
vaginal myoma
Veshkayma
VPDN
water cooking
whoop-de-doo
writing materials
Yahwe, Yahweh