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  • 英语听力:自然百科 揭密联邦调查局 Unit7

    Despite the risk, Spence allows the FBI to rig a video camera in the dashboard of his truck. Here, the hidden camera records one of the suspects describing how he is going to make a bomb. But getting a conviction in this case will require more than j...

  • 英语听力:自然百科 揭密联邦调查局 Unit6

    How does the bureau use informants to bring dangerous criminals to justice? They have several top-secret strategies which we are about to reveal. FBI inspector Bob Garrity says the first step is to find a disgruntled member who is willing to betray h...

  • 英语听力:自然百科 揭密联邦调查局 Unit5

    If threw these nails out into the crowd, extremely deadly shrapnel. Once the FBI knows what materials were used to build the bomb and how it was concealed, agents make a public appeal for information about the bomber. Today in showing you this backpa...

  • 英语听力:自然百科 揭密联邦调查局 Unit4

    Unlike the fertilizer bomb used in Oklahoma City, device analysis reveals that the New Jersey bomb is made from common household items. The problem is that there are so many things that can be used to make a bomb whether it'd be a digital watch, batt...

  • 英语听力:自然百科 揭密联邦调查局 Unit3

    Atlanta, Georgia, a terrorist bomb explodes in Centennial Olympic Park, killing one woman and injuring hundreds. North Caldwell, New Jersey, an advertising executive is killed when he opens a mysterious package which explodes in his hands. Oklahoma C...

  • 英语听力:自然百科 揭密联邦调查局 Unit2

    Atlanta, Georgia, a terrorist bomb explodes in Centennial Olympic Park, killing one woman and injuring hundreds. North Caldwell, New Jersey, an advertising executive is killed when he opens a mysterious package which explodes in his hands. Oklahoma C...

  • 英语听力:自然百科 揭密联邦调查局 Unit1

    Tonight on Best Kept Secrets, we go inside one of the world's most secretive crime-fighting organizations, the Federal Bureau of Investigation. How does the FBI solve cases like the Oklahoma City bombing? Unfortunately in the United States, it's very...

  • 英语听力:自然百科 人类血型的秘密

    Kasey on Why Tell me Why. Someone asked why veins are blue and blood is red. So that's part of this question: why do we have different blood types? Blood types are inherited, just like you inherit your eye color, or your hair texture, so you get a ge...

  • 英语听力:自然百科 The.First.Emperor 秦始皇 Part8

    Inside his own court, unseen enemies want to destroy him. The official history records Ying Zheng's coming of age at twenty years old as the defining moment. The entire court has assembled in celebration, but not everyone's watching the show. The Que...

  • 英语听力:自然百科 The.First.Emperor 秦始皇 Part7

    Only the metal parts have survived. But they are the finest quality bronze weapons found anywhere in the world. One of the most incredible finds is a sword, perfectly preserved after 2,000 years in the ground. This, um, this notch here in the sword s...

  • 英语听力:自然百科 The.First.Emperor 秦始皇 Part6

    There is only one way to treat weakness and that is to exploit it. There is only one way for Chin to survive. And that is through conquer. All 10,000 Zhao prisoners will be executed. And Ying Zheng defines his quest for empire, bloody, utterly ruthle...

  • 英语听力:自然百科 The.First.Emperor 秦始皇 Part5

    Li Si awakens in Ying Zheng a realization that real power is his. He just needs the courage and the vision to use it. And over the next decade, he will do just that. In the ten years since he came to the throne in 247 BC, King Ying Zheng has strength...

  • 英语听力:自然百科 The.First.Emperor 秦始皇 Part4

    Majesty, it would be my honor to serve you as Prime Minister. Lets not talk about these things tonight, but you should confirm Uncle Lv Buwei as your Prime Minister as soon as you can. We all think its for the best. Sleep now. Good night I should ser...

  • 英语听力:自然百科 The.First.Emperor 秦始皇 Part3

    Never life-size or in such incredible detail. But the huge army is just the beginning. The researchers have so far uncovered over 180 separate pits, and they are still digging. And the more they unearth here, the greater the riches promised by the ul...

  • 英语听力:自然百科 The.First.Emperor 秦始皇 Part2

    The.First.Emperor Qin Shi Huangdi remains a controversial figure in Chinese history. After unifying China, he and his chief adviser Li Si passed a series of major economic and political reforms. He undertook gigantic projects, including the first ver...

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