中国地鼠卵巢细胞

新思路单项技能教材口语（PETS）四级 13-16_new

A Dead Hamster [00:27.09]John owned a German shepherd. [00:32.05]The people next door owned a hamster they kept in a cage. [00:37.69]John came home one day, [00:41.17]and his dog was running around the yard with that hamster in his mouth. [00:47.52]T

发表于:2018-12-02 / 阅读(288) / 评论(0)

新思路单项技能教材口语PETS

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发表于:2018-12-04 / 阅读(244) / 评论(0)

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发表于:2018-12-05 / 阅读(265) / 评论(0)

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Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

发表于:2018-12-24 / 阅读(185) / 评论(0)

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

发表于:2018-12-24 / 阅读(162) / 评论(0)

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【英语早间课堂】明白我的话了吗?

Good morning, my buddies. Welcome to my class. I'm Juliet。A saying goes, An hour in the morning is worth two hours in the evening. So, I hope we can spend a wonderful and meaningful time here If a speaker wants to know if everyone has understood so

发表于:2018-12-27 / 阅读(184) / 评论(0)

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The Great Tomato Debate 有名的西红柿辩论 In 1893, the U.S. Supreme Court heard a case that hinged on whether the tomato was a fruit or a vegetable. 1893年，美国最高法院有一场关于西红柿到底是水果还是蔬菜的案子。 De

发表于:2018-12-28 / 阅读(235) / 评论(0)

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(Finn is visiting Feifei) Feifei: Hi Finn. 谢谢你来我家给我这位特殊朋友拍照。 Finn: My pleasure, Feifei. I take pride in being a great photographer. I brought some of my best pictures. Feifei: 是吗？我知道你拍照技术超好，

发表于:2018-12-28 / 阅读(171) / 评论(0)

英语听力精选进阶版

听一分钟英文：The Family Pet-家庭宠物

I dont understand why people want a pet. Its strange. Why would you want an animal to live in the same house as you? Some people let their pets sleep on their bed. This doesnt sound too hygienic to me. Cats and dogs spend a long time outdoors, puttin

发表于:2018-12-28 / 阅读(228) / 评论(0)

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1.有趣的漫画 I see a little hamster. 我看见一只小仓鼠。 I take it from the table. 我把它从桌子上抓起来。 I put it in the cage. 我把它放进笼子。 I see a little beetle. 我看见一只小甲虫。 I take it from the flo

发表于:2018-12-31 / 阅读(234) / 评论(0)

Sight Word Kids 幼儿英语常见字3B

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For in nature it takes thirty years for two hundred eggs to reach maturity. 因为在自然状态下，要让两百个卵子成熟需要三十年之久。 But our business is to stabilize the population at this moment, here and now. 但我们现在的任

发表于:2019-01-01 / 阅读(175) / 评论(0)

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SCOTT SIMON, HOST: Three-D printers are being used these days to make all kinds of things - jewelry, artwork, or even guns. Now, scientists have used a 3-D printer to create a functioning mouse ovary. Yes. NPR's Rob Stein explains. ROB STEIN, BYLINE:

发表于:2019-01-17 / 阅读(175) / 评论(0)

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Dad: Hi! Did you have a good day? Jasmine: Yes, I did. Dad, may I have a pet? Dad: Why do you ask that? Jasmine: My friend Sophy got a puppy for her birthday. Dad: That was nice. But you have to look after a puppy. Jasmine: I could look after a pet.

发表于:2019-01-23 / 阅读(189) / 评论(0)

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发表于:2019-01-27 / 阅读(185) / 评论(0)

粉红猪小妹第三季

60秒科学:Gene Stops Ovaries from Testifying

Gene Stops Ovaries from Testifying A mouse study in the journal Cell finds that a gene in females must remain active throughout her life to keep her ovaries from turning into testes. Karen Hopkin reports Little girls are made of sugar and spice and,

发表于:2019-01-30 / 阅读(345) / 评论(0)

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每日一词【1078】Nagging

今天我们要学的词是nagging。 Nagging, 唠叨个没完没了的，搅得人不得安宁的。The tennis player decided to take the season off to take care of his nagging shoulder injury, 这个网球选手决定赛季停赛，彻底治好一直

发表于:2019-02-07 / 阅读(212) / 评论(0)

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Who is going to... 谁来...? Who is going to help me with this desk? 谁来帮我（擦；搬...具体看语境）这个桌子？ Who is going to answer this question? 谁来回答这个问题？ A:We have been over this a hundred times!We are not g

发表于:2019-02-12 / 阅读(170) / 评论(0)

跟艾米莉一起学口语

德国拟呼吁民众自囤十天干粮防恐袭

Germany is asking its citizens for the first time after the Cold War to stockpile enough food and water for ten days as a precaution against possible terrorist attacks. 为预防可能发生的恐怖袭击，德国自冷战结束后首次要求民众储

发表于:2019-02-18 / 阅读(155) / 评论(0)

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学个词Learn a Word 第1078期 Nagging

发表于:2019-02-18 / 阅读(165) / 评论(0)

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CCTV9英语新闻：Volunteers take action in Dalian clean-up efforts

A group of volunteers from Dalian, a coastal city in northeast China, are speaking up about awakening environmental awareness in the public. Dalian is famous for its cluster of beautiful beaches. But nowadays, trash chokes the reefs, seawater and sho

发表于:2019-02-25 / 阅读(247) / 评论(0)

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