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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(65) / 评论(0) 分类 Scientific American(十二)月

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(82) / 评论(0) 分类 数学英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(80) / 评论(0) 分类 Scientific American(十)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(73) / 评论(0) 分类 2014年ESL之商务英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(八)月

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

发表于:2019-02-17 / 阅读(44) / 评论(0) 分类 英语听力练习题
学英语单词
and/nor gate
aspella mauritiana
bejumbled
brazilienses
bread-boards
bromidum
buccolingual
Butler theory
caustic-baryta
cement concrete mark
change in colour
circulating water system
clamp strap
cloud droplet-size distribu-tion
cost categories
cottarpinning
coupled test panel
data services
Davis, David
deflowing
delay slot
Dem'yana Bednogo, Ostrov
dibigulates
diffractional pulse height discriminator
dilucidates
disperged
distance from aft perpendicular to center of gravity
duration gap
dysosmic
entreat
estimation interval
Euroflock shearing tester
fibre fractionation
field results
file assignment table
first epistle of paul the apostle to the thessalonianss
Fourier transform nuclear magnetic resonance
full dressing ship
geometric mean estimator
gill membrane
Gyrocotylidae
gyroflywheel
hafussi bath
incompatibity
indapyrophenidone
inquisitorious
iprotiazem
jawing
Joyceans
lacertus m. recti (oculi) lateralis
legislative body
lesher
linear reactant
lower core structures
Lungwebungu
macadamias
maple key
mismarks
moiraine
monotransrepressor
nek
neonatal development
Nerillidae
nonosmium
nontippers
official quotation
offshore drilling island
oil level gage
on-load refueled reactor
open the sluices
operating area
outcrier
overdiluting
pilot vertigo
pipe gripper
police special
polygenic character
quarter century
reaching out for
redhorse sucker
rock groups
rowicki
sclerothrix
seedleps
seismographic map
septangle
setup
signal glass
silver rhodanide
soothe the sinews and improve the network vessels
sorabji
suspension laryngoscope
tfaps
Thor's beard
tipulae
todd
uItraviolet absorption methods
warrant of arrest
water survival training
whirligig
wool count
X-burn