杂交可孕性,杂交结实性

The Worst Christmas Jobs 圣诞特辑 5

Medieval Christmas was a weird mixture of Christianity and Pagan customs. Along with the boar's head no Christmas feast was complete without the giant Yule Log. If you've ever enjoyed a slice of choco

发表于:2018-12-07 / 阅读(71) / 评论(0)

圣诞特辑

神秘的月球第3期

The full moon triggers a frenzy of activity. 满月会引发一连串狂乱的事件 It is the time of the highest tides. 海水在此时达到满潮 And in the oceans the full moon's bright light 在海中，满月明亮的胧光 is a mating call fo

发表于:2018-12-07 / 阅读(73) / 评论(0)

2013年VOA慢速英语(三)月

英语听力精选进阶版 113

'Fertility treatment is seen as low-hanging fruit' SATURDAY Fertility Fairness campaign group said fertility treatment is seen as low-hanging fruit.

发表于:2018-12-29 / 阅读(86) / 评论(0)

英语听力精选进阶版

英语音频杂志：双生子

Twins by Richard Sidaway What do the singer Alanis Morissette, the supermodel Gisele Bundchen and the ex-Secretary General of the United Nations Kofi Annan all have in common? The answer is, they all have a brother or sister who was born on the same

发表于:2019-01-02 / 阅读(191) / 评论(0)

英语音频杂志

Take Away English-Easter Traditions 复活节习俗

Which came first - the rabbit or the egg? Its Easter in the UK and the shops are full of Easter eggs , hot-cross buns and Easter bunnies . Although Easter is widely seen as a Christian festival which celebrates the resurrection of Jesus, its origins

发表于:2019-01-02 / 阅读(75) / 评论(0)

Take Away English

SSS 2009-06-09

This is Scientific American's 60-second Science. I'm Cynthia Graber. This will just take a minute. Guys, heres another reason to eat your veggies: they might be good for your sperm. Some studies show that male fertility and whats called seminal quali

发表于:2019-01-08 / 阅读(102) / 评论(0)

Scientific American(六)月

十八届三中全会热词之司法改革（4）

4.人口红利 Demographic dividend 全国人大常委会委员、中国社科院学部委员、人口与劳动经济研究所所长蔡昉表示，中国人口红利消失的拐点已在2012年出现，将对经济增长产生显著影响，我们应当

发表于:2019-01-08 / 阅读(61) / 评论(0)

英语笔译

＂复活节＂的来历

The Easter bunny has arrived, chocolate Easter eggs are in the shops, the daffodils are out, and the weather is getting better! Easter is a great time of year, but what are its origins? Originally Easter was called Pascha after the Hebrew word for Pa

发表于:2019-01-08 / 阅读(255) / 评论(0)

英美文化

VOA慢速英语 2007 0605a

This is the VOA Special English Agriculture Report. Sorghum farmers in eastern Uganda, working with scientists, have tested some lower-cost ways to improve their soil. Little rain and poor soil fertility are problems in that area, as in other parts

发表于:2019-01-11 / 阅读(83) / 评论(0)

VOA慢速英语2007年（六）月

VOA标准英语2011-Asia Experiences Huge Birth-Rate Decline

Approximately 6.6 billion people populate the earth today, with an estimated 3.7 billion living in Asia. But over the past 50 years, economic and social modernization in the region has been accompanied by a remarkable drop in birth rates. Sociologist

发表于:2019-01-14 / 阅读(85) / 评论(0)

VOA标准英语2011年(一月)

Working Shifts Can Harm Women's Fertility

Schools in north China's Shanxi Province have been banned from organizing overseas study tours for profit after a plane crash killed two Chinese girls in San Francisco. The provincial education department announced the ban in a statement issued on Tu

发表于:2019-01-19 / 阅读(65) / 评论(0)

世界各地新闻集锦

英语听力精选进阶版 6053

Its Easter in the UK and the shops are full of Easter eggs, hot-cross buns and Easter bunnies. Although Easter is widely seen as a Christian festival which celebrates the resurrection of Jesus, its origins pre-date Christianity and many of its symbol

发表于:2019-01-25 / 阅读(62) / 评论(0)

英语听力精选进阶版

专家预测:2050年地球将面目全非

专家预测:2050年地球将面目全非 The earth's population could top nine billion by 2050, leading to an 'unrecognisable' world as people compete for scarcer resources a U.S. science conference heard yesterday. 有美国科学家警告，到205

发表于:2019-01-26 / 阅读(54) / 评论(0)

实用英语

经济学人144:中国计划生育政策

China's family planning 中国计划生育政策 Illegal children will be confiscated 违法生育就没收孩子 The one-child policy is not just a human-rights abomination; it has also worsened a demographic problem 独生子女政策不仅在人权方

发表于:2019-01-26 / 阅读(66) / 评论(0)

经济学人综合

经济学人46:中国人口,出乎意料的人口危机

China's population中国人口 The most surprising demographic crisis出乎意料的人口危机 A new census raises questions about the future of Chinas one-child policy 新的人口普查结果对中国独生子女政策的未来提出了质疑 DOE

发表于:2019-01-26 / 阅读(114) / 评论(0)

经济学人综合

夏洛的网第85期:威尔伯说大话(6)

Wilbur crouched low, with his thin, curly tail toward the rat. 威尔伯蹲低身子，让它那条细细的弯尾巴对着老鼠。 Templeton seized the string, passed it around the end of the pig's tail, and tied two half hitches. 坦普尔顿抓住绳

发表于:2019-01-29 / 阅读(80) / 评论(0)

夏洛的网

60秒科学:Antioxidants and Male Fertility

Guys, heres another reason to eat your veggies: they might be good for your sperm. Some studies show that male fertility and whats called seminal quality have declined over the last few decades. So researchers from two fertility clinics in Spain loo

发表于:2019-01-30 / 阅读(108) / 评论(0)

60秒科学

日本政府关注本国孩子出生率

According to the Washington Post of September 26, Japan's government has been paying more attention to the nations fertility rate, which influences the country's economic development。 The coastal region of Fukui has Japan's biggest share of dual-in

发表于:2019-02-18 / 阅读(74) / 评论(0)

阅读空间

口语素材：复活节的各种特别事物

Egg The star of Easterpainted, dyed, gilded in silver and gold, blown empty and hung on trees--is the egg. Legends abound about this symbol of life. Around the world they are brought to church, given as gifts, hidden for the benefit of children and e

发表于:2019-02-19 / 阅读(76) / 评论(0)

雅思英语

如何猜托福口语的段落大意

新托福口语的阅读材料不长，但题材广泛，而考生的知识又受限于自己所学的专业，不可能面面俱到。这样，当遇到材料的内容非常陌生时，尽管表面上看没有生词，也难免会出现读不懂的现

发表于:2019-03-13 / 阅读(143) / 评论(0)

托福英语

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Barcroft's differential manometer