4+1听力口语MP3-语音 51

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Fuel Cell Cost-Cutting

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

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希拉里退选演讲语录

So I want to say to my supporters: When you hear people saying or think to yourself, If only, or, What if, I say, please, don't go there. 我要告诉我的支持者：如果你听到别人说，或者你自己曾经这样想，如果某件事没有发

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Researchers make sperm from stem cell in dish

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

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When the country cares about something, we'll spend a trillion dollars without blinking an eye. 当一个国家在乎一些事了，我们就算花一万亿美元也不会眨一下眼睛的。 When the safety of America is threatened, we will spend a

TED演讲:成功的钥匙?毅力(3)

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TED演讲:为掌握而不是为了分数而教学(4)

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TED演讲:为掌握而不是为了分数而教学(5)

And when that happens, all sorts of neat things happen. 当万事俱备的时候，就会出现良性循环。 One, the students can actually master the concepts, but they're also building their growth mindset, 首先，学生能够真正掌握知识，

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【饥饿游戏】50

If a mentor mistreats his tributes, hell be held accountable by the viewers, by the people back in District 12. Even Haymitch wouldnt risk that, would he? Say what you will about my fellow traders in the Hob, but I dont think theyd welcome him back t

【饥饿游戏】47

Eleven dead, but none from District 12. I try to work out who is left. Five Career Tributes. Foxface. Thresh and Rue. Rue . . . so she made it through the first day after all. I cant help feeling glad. That makes ten of us. The other three Ill figure