高度聚合分子构造

UNIT ELEVEN [00:11.28]She goes to work by bus.Tony is writing a letter to his pen-friend. [00:22.75]He is answering his pen-friend's questions. [00:29.52]2 Octber 1995 Dear David, [00:39.44]Thank you for you letter.Here are the answers to your questi

发表于:2018-12-13 / 阅读(317) / 评论(0) 分类 小学综合英语3A

UNIT FOUR [00:03.21]Can I have a bowl of soup?Picture 1. [00:12.41]Peter,Tony and Jenny are playing waiters.Peter is the waiter. [00:23.93]Tony and Jenny are ordering their food.Picture 2. [00:35.71]Can I have a bowl of soup,please?No,I'm sorry. [00:

发表于:2018-12-13 / 阅读(320) / 评论(0) 分类 小学综合英语3A

UNIT SIX [00:12.49]Birthday presents Picture 1. [00:19.36]What do you want for your birthday,Mum? Oh,I don't know,dear.Picture 2. [00:34.77]Do you want any cakes? No,thank you,dear.Picture 3. [00:49.14]Do you want any flowers? No,thank you,dear.Pictu

发表于:2018-12-13 / 阅读(395) / 评论(0) 分类 小学综合英语3A

UNIT SEVEN [00:14.79]Which one do you want?Picture 1. [00:22.94]Can I have an apples? I like apples. Yes,of course.Picture 2. [00:38.77]Which apple do you want?The big one,please. [00:46.52]I don't want the small one. Gogo!You're greedy!Picture 3. [0

发表于:2018-12-13 / 阅读(350) / 评论(0) 分类 小学综合英语3A

UNIT NINE [00:07.78]Lily and Susie go to school every day.Picture 1. [00:19.64]Lily and Susie go to school every day.They are in the same class. [00:31.43]They sit together every day.Picture 2. [00:41.87]It is eight fifteen.Lily and Susie are having

发表于:2018-12-13 / 阅读(344) / 评论(0) 分类 小学综合英语3A

UNIT TWO [00:12.20]Gogo can fly.Picture 1. [00:20.24]What can Gogo do,Tony? I don't know.Picture 2. [00:32.63]What can you do,Gogo? I can dance.Picture 3. [00:45.56]That's very good,Gogo. Can he sing?Picture 4. [00:57.94]Can you sing,Gogo? Yes,I can.

发表于:2018-12-13 / 阅读(378) / 评论(0) 分类 小学综合英语3A

Unit 1 [00:27.95]The donkey and the pekinese [00:32.71]There was a merchant who had a Pekinese dog. [00:37.98]It was like a toy. [00:41.14]The Dekinese lived in the merchant's house, [00:45.90]slept on his bed, sat on his lap and lived an easy life.

发表于:2018-12-13 / 阅读(383) / 评论(0) 分类 小学综合英语6A

UNIT TEN [00:18.49]Ten apples.Picture 1. [00:25.76]A B C STORE.Picture 2. [00:34.53]One carrot.Picture 3. [00:42.55]Two lemonsPicture 4. [00:52.19]Three bananas. Picture 5. [01:00.73]Four sweets.Picture 6. [01:11.97]Five eggs.Picture 7. [01:22.13]Six

发表于:2018-12-13 / 阅读(344) / 评论(0) 分类 小学综合英语1A

Unit 11 [00:43.70]The school bag [00:47.18]Last monday,Peter,Patsy John and Annie were at the bus stop. [00:55.93]A bus arrived. One of the boys picked up Annie's school bag. [01:07.76]'Hey!Annie said.'That bag is mine.' [01:14.14]'No,it isn't,'the b

发表于:2018-12-13 / 阅读(364) / 评论(0) 分类 小学综合英语4A

Tokyo Electric Power Company says up to 120 tons of highly radioactive water may have leaked out of the crippled Fukushima Daiichi nuclear plant. Masayuki Ono is a spokesman for the company, which operates the nuclear plant. We followed correct proce

发表于:2018-12-19 / 阅读(225) / 评论(0) 分类 英闻天下

The operator of Japan's crippled Fukushima nuclear plant is reporting around 300 tonnes of highly contaminated water has leaked from a storage tank. Masayuki Ono is the general manager of the Tokyo Electric Power Company. He says the puddle that has

发表于:2018-12-19 / 阅读(172) / 评论(0) 分类 世界各地新闻集锦

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(218) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(214) / 评论(0) 分类 Scientific American(四)月

I once took part in a vodka tasting contest, in which participants tried to tell an expensive brand from a cheap one. I dont recall the exact outcome, for obvious reasons. But I do know that several people swore they could taste the difference. Well,

发表于:2019-01-02 / 阅读(208) / 评论(0) 分类 60秒科学

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(248) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science, I am Karen Hopkin. This will just take a minute. I once took part in a vodka tasting contest, in which participants tried to tell an expensive brand from a cheap one. I dont recall the exact outcome, f

发表于:2019-01-08 / 阅读(226) / 评论(0) 分类 Scientific American(六)月

Nanostructure Promotes Blood Vessel Growth U.S. researchers have developed a new way to promote the growth of blood vessels which potentially could improve treatment in diabetes, organ transplants, stroke, and heart attack. The veins and arteries tha

发表于:2019-01-14 / 阅读(223) / 评论(0) 分类 VOA标准英语2011年(八月)

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(267) / 评论(0) 分类 2016年Scientific American(十)月

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

发表于:2019-02-07 / 阅读(204) / 评论(0) 分类 英语新闻

标题配对题在雅思阅读考试中一直以来都占据重要地位,对于初涉雅思的学生来说尤其困难。虽然该题型在最近的考试中比重有所降低,但是由于其每个选项只能被选一次导致大片连环错的可

发表于:2019-02-20 / 阅读(274) / 评论(0) 分类 雅思英语
学英语单词
alarm bolt jumper
amaethons
Apra Harbor
aquaba
article of average quality
basal process
bifidated
billpayer
board rules
bosoes
branches to amygdaloid body
Burra
Byromville
carpetweeds
carprifoliaceae
certification of nationality
clean b/l
companion way cover
contact current
death by lightning
dendrolagus lumholtzi
deuterium lamp
didcap
dynamic level
enamo(u)r of
endoscopic insertion tube
enfeebling
feeding the meter
final recovery efficiency
fixed point wave observation
freely rotating polymer chain
gaucherie
GM_prepositional-phrases
graded insulator
ground indicator
group company
guarantee load
hemihedral
hypowakefulness
iamily
individual footing foundation
internet multicasting service
jabirus
jairus
kanius
Legionellaceae
lsnv
lycopodium laxum presl.
malformation crys
mannish
menziesia ferrugineas
microlin
more-important
multicyclic landscape
Netanyahu, Benjamin
nickel ferrite
non - executive directors
nontax liability
Nylfrance
order per second
para-amino-salicylate
part number(P/N)
physy
Pleiospilos
polyneme hypothesis
pop rock
Porges-Meier reagent
positive-displacement expansion engine
postoptic
prescription drug
presentation program
QF (quality factor)
quimbo
quinnipiac university
region of escape
reverse valve rod
rhabdosomes
rottle
scatter pin
scoutplane
sej
select type command
serzone
setipinna taty
sideryl
silver phosphate glass
Sipunculidae
sociology of art
Special List or Manifest
stubbed shoulter
take ground
teledactyl
tiffing
turnstyle
ungentrified
urban residents
ventricosity
VINES
VTOL aircraft
weight losing material
woid
works up to