[化] 无规聚合物

[00:01.45]3 a) Answer as many of the questions [00:05.49]on the recording as you can. [00:07.47]Write the answers in a random order [00:09.55]on a piece of paper, [00:11.08]not in the same order as in the recording. [00:16.30]1. Write down the name o

发表于:2018-12-13 / 阅读(117) / 评论(0) 分类 北师大版高中英语模块11(选修)

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(76) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(86) / 评论(0) 分类 Scientific American(一)月

Random1) Thoughts-Party Last night,pressured by well-intentioned friends,for the first time in months,I came out of writers seclusion and attended a cocktail party which is another word for a social gathering.So there I was,trapped in a crowded roo

发表于:2019-01-01 / 阅读(144) / 评论(0) 分类 英语沙龙

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(87) / 评论(0) 分类 60秒科学

Jennifer: Hello and a very warm and friendly welcome to the first 6 Minute English of 2013. My name is Jennifer and with me in the studio for today's programme is Callum. Happy New Year! Callum: Hi Jen - happy New Year! Jennifer: Have you made any Ne

发表于:2019-01-07 / 阅读(170) / 评论(0) 分类 六分钟英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 Scientific American(九)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Ever been woken up by the sound of the refrigerator compressor kicking on? Well, such clumsy heat exchange units featuring long metal coils may be on their way out. Becaus

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 Scientific American(八)月

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Ants are known for working together, operating as a unit for the good of the colony. But not so fast, say researchers from the Universities of Leeds an

发表于:2019-01-08 / 阅读(104) / 评论(0) 分类 Scientific American(三)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(135) / 评论(0) 分类 Scientific American(四)月

Americans who smoke are beginning to feel unwanted as federal laws prevent them from smoking in public buildings The World Health Organizations says smoking is considered a high risk factor in six of the eight leading causes of death worldwide. Medic

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 VOA标准英语2010年(二月)

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(59) / 评论(0) 分类 2016年VOA慢速英语(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(138) / 评论(0) 分类 VOA标准英语2016年(二月)

今天我们要学的词是random。 Random, 是随机、任意的意思。The firefighters have to undergo a random drug test once a year, 消防队员每年要接受一次是否服用毒品的抽查。The boxer refused to submit random blood tests

发表于:2019-02-03 / 阅读(73) / 评论(0) 分类 英语每日一词

今天我们要学的词是random。 Random, 是随机、任意的意思。The firefighters have to undergo a random drug test once a year, 消防队员每年要接受一次是否服用毒品的抽查。The boxer refused to submit random blood tests

发表于:2019-02-03 / 阅读(58) / 评论(0) 分类 英语单词荟萃

29 Ways to Carry Out Random Acts of Kindness Every Day The time has come when we cannot just rely on others to make the world a better place each one of us has to do our bit. It is therefore time for people to be more and more aware about their Perso

发表于:2019-02-07 / 阅读(73) / 评论(0) 分类 阅读空间

第一讲a-c, 第二讲d-h, 第三讲i-o, 第四讲p-s, 第五讲t-z 词汇复习第一讲a-c 1. 识记词汇 1. Some of the old traditions have been ____ as time goes by. [A] abandoned [B] abolished [C] absorbed [D] abused 2. You cant gain ____ to t

发表于:2019-02-13 / 阅读(70) / 评论(0) 分类 实用英语

Can you see it in my eyes? The emptiness Looking for a reason Is it time for the last goodbye? What if I don't know this game? What if I don't care? What if I want to know the reason why? Tell me Do you still believe The sun will rise again? To hold

发表于:2019-03-02 / 阅读(187) / 评论(0) 分类 英文摇滚歌曲
学英语单词
acanthium
acroporas
alcohol amnestic disorders
ARQ
automated purchasing system
bar stool
bismuth oxyiodopyrogallate
blined lead
Body Centered
building department
by pass rotameter
call shenanigans
camel wool
cardinal altitude
Chinese magnolia
clavaceratubae
clinogram
confess the corn
constricted gas discharge
cugat
cultist
delivery chamber
diaphram plate
dichotomizations
doberai
domuss
emboiled
emong
encrypting router
equiviscous temperature
eutectophyric structure
exclusive fishing zone
Galilean satellite
gas displacement efficiency
get it made
goldfried
gracilises
hackled
hard-wired system
hidaka
high-desert
Holroyd R.
Homo sapiens
ICBP
impermeater
interior conduit
ivory-towerish
Jadādiīyah
jolt squeeze rotalift moulding machine
Jomada
lump hammer
Luy's segregator
macrosomia
magnesium potassium sulfate
malignant dysentery
merwin
mesial pit
Monowe
nablock
non-friction
nonlocking key
nonunion wage rates
open square strand passes
osteokine
otse
out-working
perivascular nerve endings
permission denied
phosphoramidon
placenta membranacea
Pont Houphouët-Boigny
powderize
presprouting
price earnings ratio
punctuation words
reblowing
rice narrow brown leaf spot
rotary boiler
rox
scintillation fast neutron fluxmeter
scorel
scriving
seclere
semblances
semicustomized
seralbumin
slit-type mask
spittle bug
square-loop core
tactical aeromedical evacuation
thallium trisulfide
topping up
train apparatus
transmitter receiver limiter
truthsman
turmeric powder
unstriped muscle
valve flap
versaclimber
wet-weather
zerbers
zircaloy cladding