运动诱发的支气管收缩

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: Researchers at Ohio State University studied exercise-induced asthma among top athletes at the school. Ohio State football players practice earlier this year.

发表于:2018-12-07 / 阅读(277) / 评论(0) 分类 VOA慢速英语2007年(十)月

第一章 练习41 Exercise 1-41:Supporting Words Exercise 1-41: Supporting Words For this next part of the intonation of grammatical elements, each sentence has a few extra words to help you get the meaning. Keep the same strong intonation that yo

发表于:2018-12-27 / 阅读(308) / 评论(0) 分类 美式英语正音训练

Exercise 1-58: Creating Word Groups Break the paragraph into natural word groups. Mark every place where you think a pause is needed with a slash. Pause the CD to do your marking. Exercise 1-59: Practicing Word Groups When I read the paragraph this t

发表于:2018-12-27 / 阅读(281) / 评论(0) 分类 美式英语正音训练

Exercise 1-57: Phrasing Repeat after me. Dogs eat bones. Dogs eat bones, but cats eat fish, or As we all know, dogs eat bones. Dogs eat bones, kibbles, and meat. Do dogs eat bones? Do dogs eat bones?!! Dogs eat bones, don't they? Dogs eat bones, DON'

发表于:2018-12-27 / 阅读(247) / 评论(0) 分类 美式英语正音训练

Asthma by John Russell With World Health day on 7th April, this week we take a closer look at a very common health problem. Does your chest regularly feel tight? Do you find it difficult to breathe after light exercise? Do you sometimes make a wheezi

发表于:2019-01-02 / 阅读(481) / 评论(0) 分类 英语音频杂志

Vaccine - a planned exposure to an antigen in order that memory B lymphocytes can retain a memory for it. In practice the organism carrying the antigen is either killed or modified so that it does not

发表于:2019-01-03 / 阅读(485) / 评论(0) 分类 医务英语

Lesson Nineteen 听力部分 Dictation: Please prepare your paper and pen. There are really __________ for _____ wine ______-_______________ a good corkscrew, ____, _______________, __________ the ____ of _______. The ______________ that most America

发表于:2019-01-14 / 阅读(324) / 评论(0) 分类 王强口语 第二册

RACHEL MARTIN, HOST: It is tick season, and with it comes the risk of Lyme disease. Once found mainly in New England, Lyme disease is now being reported in a much wider range of the U.S. NPR's Allison Aubrey reports that cases have more than doubled

发表于:2019-01-16 / 阅读(338) / 评论(0) 分类 2018年NPR美国国家公共电台5月

And we believe that these responses in higher-order areas are induced or become similar across listeners 我们认为,听众这些相似的大脑高层次区块反应, because of the meaning conveyed by the speaker, and not by words or sound. 是由

发表于:2019-01-18 / 阅读(292) / 评论(0) 分类 TED演讲科学篇

By Carol Pearson Washington 07 May 2008 The World Health Organization expects the number of women who smoke to triple over the next generation, if current trends continue. As a result, it expects more than 200 million women to die from tobacco induce

发表于:2019-01-19 / 阅读(270) / 评论(0) 分类 VOA标准英语2008年(五月)

文本: So Skara Brae was not just an isolatedsettlement of fishers and farmers. Its people must have belonged to some largersociety, one sophisticated enough to mobilise the army of toilers and craftsmenneeded, not just to make these monuments, bu

发表于:2019-01-21 / 阅读(255) / 评论(0) 分类 跟着英剧练发音

Ways to smile 微笑的方式 Give and maybe don't receive. 付出,也许无需有所得 College is a perfect time to get involved in volunteering for a cause. 大学是个为了一个目标参加志愿活动的绝佳时间。 No matter what your p

发表于:2019-01-22 / 阅读(288) / 评论(0) 分类 英语听力广播—Listening

Pill May Change Attraction In a study in the journal Trends in Ecology and Evolution, researchers note that the birth control pill may change a woman's choice in whom she finds attractive. Cynthia Graber reports Some people like to think theres somet

发表于:2019-01-30 / 阅读(357) / 评论(0) 分类 60秒科学

And, says Haskell, the prospect5 of having to gasp6 and strain their way to better health at a 70-80 percent target range has kept a lot of people from trying. 哈斯卡尔说,“一想到要达到必

发表于:2019-02-01 / 阅读(352) / 评论(0) 分类 奥运英语

让人无语的电脑失忆症 各种电子设备用久了,我们好像都习惯了打拼音、选汉字。真正要拿笔写字的时候就会出现提笔忘字的情况,有关专家把这种现象叫做电脑失写症。 你有电脑失写症吗?

发表于:2019-02-02 / 阅读(343) / 评论(0) 分类 实用英语

BEIJING, Sept. 26 (Xinhuanet) -- Young unmarried migrant women are facing a high risk of induced abortions in China and experts urged that they have better access to reproductive health education. Among the 8 to 10 million induced abortions performed

发表于:2019-02-07 / 阅读(325) / 评论(0) 分类 英语新闻

How to Find Time to Exercise We all know we should get more exercise but most of us dont manage to be nearly so active as we want to be. Its easy to blame busy lives. If your boss expects long hours or you run your own business, or youre a stay-at-ho

发表于:2019-02-11 / 阅读(336) / 评论(0) 分类 阅读空间

1. Libya officials say the US ambassador Chris Stevens has been killed along with three other Americans in an attack on the US consulate in Benghazi. The consulate was burned down by Muslim protesters' angry about a film that ridicules the Prophet Mu

发表于:2019-02-11 / 阅读(401) / 评论(0) 分类 美联社新闻一分钟2012(九月)

If you don't exercise regularly(有规律的), a sudden bout of energetic activity can trigger a heart attack, and may even kill you, according to a new study published in JAMA, the journal of the American Medical Association. It sounds like the

发表于:2019-02-18 / 阅读(274) / 评论(0) 分类 英语新闻

Don: [WHISTLING A BIRDSONG-LIKE TUNE] Ya?l: Nice tune Don, but can you whistle with your tail like an Anna's hummingbird? D: Hummingbirds can whistle with their tails? Y: Male Anna's hummingbirds, which live along the west coast of North America, can

发表于:2019-03-06 / 阅读(313) / 评论(0) 分类 英语时差8,16
学英语单词
acceleration and deceleration operation
adaptive communications
ague roots
allegorisations
Aromator
auroso-auric compoound
bottom hanging
Bread is the staff of life.
breakdown speed
Business Combination laws
byp.
carrillo
Ceylon lac
chameleon paint
circumstantiator
connect-the-dots
crude argon column
decertifies
Dieumol
disornament
doassansia alismatis corn.
dry-volume measurement
duodenin
ensts
equity power
ergolines
erythrocyte sedimentation test
exteroceptions
extruded channel
FireWire cable
first weighting
flange-bolt failure
flustered
freeze-out
garden balsam ?
Guiglo, Dép.de
hopred
indolol
it would seem
japan clover
jet ejector pump
light-proof enclosure
low-voltage equipment
malaria irregularis
manufacturer's maximum payload
membership agreement
nerr
Nhlavini
nitrogen servicing cart
nonequilibrium system economics
oeller
optical character viewer
ormistons
P-V-T-t technique
peatmouse
penning discharge gage
perfect sovereignty
periodic variation
phosphonacetate
picoprogramming
Pinus bungedlna Zucc.
piperadione
polymorphisms
positive particle
Potentilla gelida
present convention
quasi-racemic compound
qusay
record type pointer
Reil's sulcus
reliclike
rheumatic pains
scholastical
semihardboard
slate powder
smooth triggering
snowblossom primrose
solar disturbance
soly solubility
square screw
static refraction
stitchworts
strategic projects
strothman
Sumoto
supraglottal
symmetrical structure
table mountain pine
thioserine
throngings
tow noise
triple deck chip screen
two consecutive ports
tyre-valve cap
ungang
universal radial drilling machine
upright converter
volleys
waveguide transmission
work tank dimension
wouls
yellow plant