下降半值点,下降区间半值点

After a long bike ride, the Aldens finally came to Skeleton Point. Just as the children slowed down, a familiar dog bounded from the bushes and barked. Then he began to sniff around. He smells our ham sandwiches, Benny guessed. There, there, Max, Jes

发表于:2018-12-06 / 阅读(126) / 评论(0) 分类 91 The Mystery at Skeleton Poi

by Adam Freedman Todays topic: Is the health care reform law constitutional? At the risk of stirring up controversy, I cant resist dipping a toe into the current debate over the new health care bill. One of my readers-Mary-writes in to ask whether th

发表于:2018-12-30 / 阅读(78) / 评论(0) 分类 法律英语 Legal Lad

Grammar Girl here. Today, Bonnie Trenga will help us choose better transition words. This article could make you a tad hungry, because today were comparing the art of writing to the art of making a sandwich. In fact, just for today, we might need to

发表于:2019-01-02 / 阅读(117) / 评论(0) 分类 英语语法 Grammar Girl

图片1 图片2 by Jason Marshall A few articles ago, I asked if you ever found yourself at restaurants fumbling to figure out how much to tip; I guessed that you might occasionally resort to seeking advice from your smart phone; and I told you that

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

For VOA Learning English, this is Everyday Grammar. Imagine that you are walking down the street in an American city. You might hear short conversations as you pass people. One such short conversation might sound like this: A: Should we try that rest

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 2017年VOA慢速英语(二)月

In 1963, President John Kennedy gave a famous speech at American University. In the speech, Kennedy said the following lines: Our problems are manmade; therefore, they can be solved by man. And man can be as big as he wants. No problem of human desti

发表于:2019-01-03 / 阅读(109) / 评论(0) 分类 2017年VOA慢速英语(九)月

Monday's meeting at the White House between President George Bush and President-elect Barack Obama is the latest symbol of a presidential transition that appears to be moving ahead smoothly, at least initially. VOA National correspondent Jim Malone

发表于:2019-01-09 / 阅读(126) / 评论(0) 分类 VOA标准英语2008年(十一月)

BBC Learning English Weekender Carbon Neutral Al Gore Callum:Hello, I'm Callum Robertson and this is Weekender. Al Gore was the vice president of the United States under Bill Clinton from 1993 to 2001. He very nearly became the President in a contro

发表于:2019-01-11 / 阅读(187) / 评论(0) 分类 Weekender

By Patricia Nunan Kathmandu 24 April 2006 As Nepal's political stalemate and communist insurgency drags on, the economy is feeling the impact - with shops bearing the brunt of government-imposed curfe

发表于:2019-01-13 / 阅读(150) / 评论(0) 分类 2006年VOA标准英语(四月)

Both U.S. President George Bush and his successor, Barack Obama, are emphasizing the importance of a smooth transition, so Mr. Obama can tackle the country's economic problems as soon as he takes office on January 20. VOA's Kent Klein reports from W

发表于:2019-01-13 / 阅读(97) / 评论(0) 分类 VOA标准英语2008年(十一月)

U.S. President-elect Barack Obama is moving his White House transition forward, as political turmoil builds over the selection of his successor in the United States Senate. The governor of the state of Illinois stands accused of trying to sell the S

发表于:2019-01-13 / 阅读(114) / 评论(0) 分类 VOA标准英语2008年(十二月)

Scientists Point to Possible Health Effects of Cell Phones This past May, in a major policy shift, the World Health Organization said electromagnetic fields produced by mobile phones are possibly carcinogenic. Although the International Association f

发表于:2019-01-14 / 阅读(118) / 评论(0) 分类 VOA标准英语2011年(八月)

今天我们要学的词是transition。 Transition, 是过渡的意思。A smooth transition, 就是平稳过渡。古巴总统卡斯特罗宣布辞去国务委员会主席的职务。美国总统布什表示,希望古巴能由此开始向民主过渡

发表于:2019-01-25 / 阅读(106) / 评论(0) 分类 英语每日一词

今天我们要学的词是transition。 Transition, 是过渡的意思。A smooth transition, 就是平稳过渡。古巴总统卡斯特罗宣布辞去国务委员会主席的职务。美国总统布什表示,希望古巴能由此开始向民主过渡

发表于:2019-01-31 / 阅读(103) / 评论(0) 分类 英语单词荟萃

By Al Pessin Pentagon 19 October 2007 The U.S. military's effort to rebuild major infrastructure in Iraq will be winding down during the coming year, leaving the Iraqi government to fund the effort and to find engineers capable of handling the projec

发表于:2019-01-31 / 阅读(130) / 评论(0) 分类 2007年VOA常速英语(十月)

By Lisa Schlein Geneva 07 May 2007 Louise Arbour, UN High Commissioner for Human Rights, informs journalists after return from her visit to Central Asia, 07 May 2007 The U.N. High Commissioner for Human Rights, Louise Arbour, says countries in Centra

发表于:2019-02-03 / 阅读(148) / 评论(0) 分类 2007年VOA标准英语(五月)

By VOA News 11 December 2007 Al-Qaida's North African wing has claimed responsibility for two deadly car bomb blasts Tuesday outside U.N. offices and a government building in Algeria's capital. Algerian government officials say at least 26 people wer

发表于:2019-02-05 / 阅读(79) / 评论(0) 分类 VOA常速英语2007年(十二月)

NATO's secretary-general says foreign forces in Afghanistan will remain on combat duty during the scheduled transition to Afghan security control in 2014. That statement by Anders Fogh Rasmussen came after U.S. Defense Secretary Leon Panetta said Ame

发表于:2019-02-08 / 阅读(124) / 评论(0) 分类 英语新闻

LONDON The United States has won the mens Olympic basketball gold medal at the London Games. The victory in the final over Spain did not come easy. The final on the scoreboard read USA 107, Spain 100, a seven-point victory in a game that was tightly

发表于:2019-02-09 / 阅读(240) / 评论(0) 分类 英语新闻

If you're looking for a challenging situation to practice your English, just pick up the telephone. 身在职场,打电话是不可避免的。对于有国际业务的公司来说,用英语打电话也是家常便饭。 Not being able to see the

发表于:2019-02-22 / 阅读(91) / 评论(0) 分类 实用英语
学英语单词
.udf
absolute altimeter
alibekov
ammiral
analyist
autopilot control
Ayer Merbau, Tk.
balancing selection
Barnaby Rudge
bisolven
broadman
building regulations
Calymmanthium
carbon bottom
case-control study
clarridge
code-practice oscillator
commercement
corrugated copper plate
courtiers
creeper gear
crystallisations
cymo-botryose
dermatitis gangrenosa
district auditor
double segmental baffle
dumbek
estrapronicate
exhaust pipe bracket
febris monoleptica
final blage
finite covering
flank correction
friendlike
frilled shark
gaign
gear tooth grinding machine
goeldner
government purchases of goods
gypsum lamelliforme
half-shade compensator
handbarring
Hatfield Moors
hatte
heterobimetallic
iminos
intelligent preprocessing
interactive operations facility
isopropyl acetoacetate
jibber
keep a straight face
kyds
lighting network
line source
line with
logic programmings
medicinerea
micael
microgrids
Miltown
Monommidae
montage display
mordanted
multiple scleroses
national spatial planning
native trait
nech
needs-baseds
nickel-metalhydride
non egocentric
non homogeneous boundary problem
non-diastrophic structure
nonghetto
organic phosphorus in seawater
orthochrysotiles
out of-date
overdue check
pain-filled
peace offerings
peroxybenzoic acid
Piranji, R.
primary shoot
public inquiries
RACQ
reachabler
school-teachings
secondary polyploid
segregator
selahs
sleeps away
soilable
sphygmonometer
swim end
team playas
uncherubic
unfills
utility card input
villafranca
well-crystallized
woody calceolaria
yacoub
Yu Qian