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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(79) / 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(71) / 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(73) / 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
ABCM
amplifer stage
ascending tract
atomic species
atrococcineus
autobacteriophage
bacterial discolouration
balneum lacteum
baudoes
bond registered
bottom floor
boundary layer pumping
calculable transfer standard
cannon proof
capsule cells
channel phasing
Chinese desert cat
chlorfenethol
compatible ordering
cool hunter
could well
cut down the outlay
cyclic voltammetry
Cyrillic
defect experiment
double sliding tooth
eiectric sleep
ellens
embedded microprocessors
executive flu
festivally
figured hook
focal tolerance
freight in and other expense
french fritters
gatooma (kadoma)
gemistocyte
general peritonitis
graffito
hard grace
hartmanganerz (hartmannite)
heart scintiscanning
Hempel paradox
hertz(Hz)
high speed copying machine
imperfect beam alignment
IN/SEC
indicator-card
just assume
late-type
lay up a rope
life tenant and remainder man
lutars
Markov partitions
master supervisory and alarm frame
matrix assembly jig
military deserter
minimal segment
Nazi Shepherd
neutron density distribution
nitrogen lamp
overwhelming
peak white
petit fouett?
progestin-only
prosthetic valve
quasrupole multiplet
rap the meeting to order
reference photomultiplier
rereleasing
Retina Display
retroanteroamnesia
ruscoside
satellite coverage
second-cousin
ship appearance
sliding door guide
spear-thrower
SRM (source range monitor)
stara planina (balkan mts.)
stockens
sturtevant excavating and bagging machine
sunscreened
supersonic oscillation
sweet goldenrods
tailpipe chamber
TGIAF
thiobarbiturates
thwartedness
topographical survey
torsion of a curve
track maintenance
triangular grating
vacuum triode
variable-value logic
video magnetic tape recorder
visitant
water of crystallization
water-sport
Watts, Isaac
weather outlook
willinghearted