单词：gestation periods
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[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:05.20]1995 [00:07.51]Sleep is divided into periods of so-called REM sleep, [00:11.56]characterized by rapid eye movements and dreaming, [00:14.68]and longer periods of non-REM sleep. [00:17.50
历年考研英语完型填空
Since the 1980s, millions of American women have used fertility treatments, including the implantation of embryos, to become pregnant. But the process is expensive, averaging $12,000. Earlier this month, Reveal, part of the Center for Investigative R
PBS访谈健康系列
There's another reason that talking to your doctor about your health and gross stuff is really, really important. 与医生谈论健康和恶心的东西有很重要的另外一个原因。 Doctors and the scientific community can only address issues
TED演讲科学篇
Hows this for a possible new culprit for breast cancer sufferers: they may be able to blame their grandmas diets. Thats the implication of a study done with rats. Researchers affiliated with the Georgetown University Medical Center fed a group of pre
Scientific American(四)月
Major Historical Periods Livy: Tell me again why were here on a Saturday afternoon. Nicholas: Youre going to love this museum. It has artifacts and exhibits from all the major periods in history, from prehistoric days to the present. Livy: Hmm, fasci
2015年ESL之日常生活
Diabetes is the 7th leading cause of death in the US. 糖尿病为美国第七大致死疾病。 Over 90% of cases are type 2. 超过90%病例为2型糖尿病。 Risk factors include older age, obesity, family history of diabetes, gestational diabete
医学英语轻松学
Three periods of my youth About the twelfth year of my age, my father being abroad, my mother reproved me for some misconduct, to which I made an undutiful reply. And The next first-day, as I was with my father returning from meeting, he told me tha
英语名著名段背诵精华
Transsexuality is an interesting, if baffling, subject for most people. It is often confused with transvestitism, even though the two are distinctly different. Transvestites feel a compulsion to dress
有声英文阅读
1. President Bush and British Prime Minister Gordon Brown agree fighting terrorism is a top priority. The two leaders met at Camp David for the first time since Brown took office, replacing Bush's longtime ally Tony Blair. In addition to policy talks
美联社新闻一分钟2007
1. A violent day in Iraq during the holiest day in the Shiite calendar. At least 44 people were killed in a wave of violence striking several cities. Gunmen ambushed this bus carrying pilgrims, killing at least 7. 2. Barbaro could be laid to rest at
美联社新闻一分钟2007
American black bears American black bears appear in a variety of colors despite their name. In the eastern part of their range, most of these brown, red, or even yellow coats. To the north, the black bear is actually gray or white in color. Even in t
英语小短文
If you grew up with a brother or sister, you probably know what sibling rivalry is like. For a spotted hyena though, sibling rivalry is a matter of life and death. Spotted hyena mothers usually have twins. They give birth in a private burrow where th
英语时差8，16
Women's shopping habits linked to periods In the ten days before their periods begin women are more likely to make extravagant impulse buys, according to researchers. Psychologists believe that shopping sprees could be a way for premenstrual women to
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Living the Prolific Life: A How-to Guide Prolific (pr?-li-fik) : Marked by abundant inventiveness or productivity. Merriam Webster Online The prolific life has been characterized by abundant inventiveness and limitless creativity. Prolificacy has als
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妊娠糖尿病与心脏疾病有关 WASHINGTON, March 12 (Xinhua) -- Women who develop gestational diabetes may face an increased risk of early heart disease later in life, even if they do not develop diabetes subsequent to their pregnancy, U.S. res
英语新闻
About the twelfth year of my age, my father being abroad, my mother reproved me for some misconduct, to which I made an undutiful reply. And The next first-day, as I was with my father returning from meeting, he told me that he understood I had behav
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International 国际 Prizing Girls: Like Father, like daughter 珍惜女儿：有其父必有其女 How South Korea learnt to love baby girls. 韩国是怎么学会爱女婴的。 I cried when I heard, writes one blogger, recalling the moment she lea
经济学人综合
Part IV Dangerous Planet 第四部 处境危险的行星 The history of any one part of the Earth, like the life of a soldier, consists of long periods of boredom and short periods of terror.British geologist Derek V. Ager 地球的任何一部分历史
万物简史
so now, Starbuck saw long coils of the umbilical cord of Madame Leviathan, by which the young cub seemed still tethered to its dam. 这时，斯达巴克所看到的，就是这般情况。原来是一条鲸太太的一大卷脐带，而那条小鲸似
白鲸记