标间比率

Michael: So Ana, you're from Portugal, right? Ana: Yeah, right. Michael: Okay, because I'm actually thinking of going to visit Europe this summer, and I thought Portugal would be a great place to visit. Ana: Oh yeah, Portugal is great especially in t

发表于:2018-12-04 / 阅读(87) / 评论(0) 分类 百朗2013高考听力快速版

Grandfathers eyebrows raised in surprise as he watched his grandchildren and Rachel Cunningham climb onto the stage. They stood beside the podium. I hope this interruption is important, James Alden said. Its about Marks paper, Henry said. Mark sat up

发表于:2018-12-06 / 阅读(81) / 评论(0) 分类 59 The Outer Space Mystery

At first Rachel looked startled when she saw the children. Then her whole body slumped. I knew youd come sooner or later, she said quietly. Youre smart kids. It didnt take you long to figure out where I was. We stumbled on this cabin a few days ago,

发表于:2018-12-06 / 阅读(82) / 评论(0) 分类 59 The Outer Space Mystery

Violet leaned back with a contented sigh. Stars lay scattered against the velvety black like diamonds. She felt like she was part of the soft summer night. Benny sat up. I dont see anything, he said. Except outer space. You will, Randy promised. Keep

发表于:2018-12-06 / 阅读(61) / 评论(0) 分类 59 The Outer Space Mystery

This place looks like our boxcar, Benny remarked as he stepped inside the cabin. It does! Violet agreed. Its got a shelf with dishes, same as our boxcar. Only we didnt have a fireplace, Henry said. Our boxcar was cleaner, too, Jessie added. Cobwebs d

发表于:2018-12-06 / 阅读(88) / 评论(0) 分类 59 The Outer Space Mystery

What do you mean you cant find her? Violet asked. Shes not in her room, Hazel said. I just went in there to thank her for singing for us tonight. Her bed is still made up. Shes nowhere to be seen, and its getting very late. Maybe shes taking a walk,

发表于:2018-12-06 / 阅读(72) / 评论(0) 分类 59 The Outer Space Mystery

Right after breakfast the next morning, the Aldens marched up the mountain to the observatory. I think we should take another look at that log, said Jessie. There was something odd about the way Eugene Scott made Mark leave. Mark said it was his turn

发表于:2018-12-06 / 阅读(74) / 评论(0) 分类 59 The Outer Space Mystery

We shouldnt have gone down this trail, Violet said. No one knows where we are. Dont worry. Well find our way back, Henry assured her. Im hungry, Benny said. Lost or not, he wasnt about to miss lunch. Looking around, he spotted a faint path twisting t

发表于:2018-12-06 / 阅读(75) / 评论(0) 分类 59 The Outer Space Mystery

Ratio 比率 If there are four girls and eight boys in your class, you may say there are two times as many boys than girls in my class. 如果你班上有四个女生和八个男生,你可能会说我班上的男生是女生的两倍。 This expres

发表于:2018-12-13 / 阅读(42) / 评论(0) 分类 与美国小学生一起学英文第10册

Jessie grabbed Bennys hand and ran toward the dormitory. Lightning flashed all around them. The claps of thunder were deafening. Everyone scurried for shelter. Jessie and Benny raced inside the Seneca Building, just ahead of Violet and Henry. Mark Ja

发表于:2018-12-31 / 阅读(69) / 评论(0) 分类 59 The Outer Space Mystery

I cant believe were going to college! said Violet Alden, as the van rounded a steep mountain curve. Next to her, fourteen-year-old Henry Alden grinned. Were not exactly going to college, he teased his little sister. Well only be at Mountvale College

发表于:2018-12-31 / 阅读(68) / 评论(0) 分类 59 The Outer Space Mystery

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(195) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(219) / 评论(0) 分类 数学英语

Like most twins, Scott Kelly says he and his brother, Mark, shared a lot as kids, even taking the same part-time jobs in high school. When we were 17 years old we worked for the same ambulance company. I think that at one point we even made pizzas to

发表于:2019-01-13 / 阅读(62) / 评论(0) 分类 VOA标准英语2010年(八)月

NASA Art Captures 50 Years of Exploration One of the nation's most prolific art collectors is the U.S. space agency. For nearly a half-century, NASA has commissioned artists to document its missions and projects. Seventy of the 3,000 works in its col

发表于:2019-01-14 / 阅读(79) / 评论(0) 分类 VOA标准英语2011年(六月)

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(119) / 评论(0) 分类 英语新闻

People are flocking to the central Florida coast for Friday's scheduled launch of the space shuttle Endeavour(奋进号) , the second to last launch of a shuttle as NASA brings the three-decade-old program to an end. The space agency is expecting aro

发表于:2019-02-07 / 阅读(76) / 评论(0) 分类 英语新闻

Astronauts on board the Space Shuttle Endeavour(奋进号) are making preparations to return to Earth on the spacecrafts final flight. One of the astronauts says being in space has shown him the fragility of the Earths environment. Air Force Colonel

发表于:2019-02-07 / 阅读(65) / 评论(0) 分类 英语新闻

WASHINGTON, July 8 (Xinhua) -- U.S. President Barack Obama on Friday hailed space shuttle Atlantis' final flight in NASA's shuttle program, saying Americans across the country watched with pride as America reached for the heavens once more. Obama exp

发表于:2019-02-09 / 阅读(110) / 评论(0) 分类 英语新闻

This Tuesday is marking China's third Space Day. To mark the occasion, Lunar Palace 1, a bioregenerative life support system at Beihang University in Beijing, opened to the public during the weekend. Our reporter XYee has more. A main goal of Lunar P

发表于:2019-02-14 / 阅读(67) / 评论(0) 分类 2018CRI中国国际广播电台
学英语单词
acceptable quality level (aql)
acetylene flasher
agarita
apparent right ascension
arciform ligament
artificial malachite
asynchronous neural network
bang-bang type
bend elbow swinging
bodymaker
brynye
capital provider
carbide etch
cephaelis ipecacuanha a. richard
circumflex
clanner
collective effect
cosmochronometers
cyc light
diaphragm mount
disassembled
double-impeller pump
duwamish r.
encephalins
endless tangent screw sextant
Endoaneorysmorrhaphy
euhymenial
extra-budget source
fire hydrants
glass epoxy board
graduate braking
guttered skirting board
Holmes 1,Oliver Wendell
inner transition element
interface trapped charge
kelly platform
Korin fever
leather nailing machine
longitudinal grinding
Lucianópolis
m-day
macroeconomic evolution
make eyes at somebody
meatily
microtome
ministrer
morpholinium fluoroborate
muscular triangle
NCWS
neighbouring right
Nelkin kernel
net inflow of fund
nonsuspense
oil-services
open dislocation
oscillatoria proboscidea
outriggered
overdevelopments
overflow tap
pinocamphane
polar factorization of transformation
postmark
potentized
public-work
pulmonoperitoneal
railway accidene
raz
refunding of estate duty
resistance-thermometer
restricting
retail specialization
Reverdin graft
russula gracillima
salcedo
schizophonia
self-breakdown voltage
self-pollution
sissied
softening anneal
spanomenorrhea
spasore
special drawing rights
starful
steno's duct
tax claims of residence
the colonies
the god
three-way merge sort
thunder gods
tipping-bucket rain ga(u)ge
tokostome
travelling salesmen
tripodi
tutaculum
two-dee cyclotron
Ulbricht
unlisted bonds
usak
vortex gate
VWP (variable wide pulse)
weird-looking
zigzag goldenrods