单词：government-owned inventions
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By Jerilyn Watson Broadcast: October 6, 2003 (THEME) VOICE ONE: An office in the United States government has helped protect 1)the property rights of inventors for more than two-hundred years. Its job
VOA2003（下）-美国人文故事
丹尼尔和阿美在观看中国古代的四大发明。丹丹觉得那些都是简单的东西，没有什么意义。其实他们的发明者都是一些很聪明的人。那最后丹丹的观点有没有改变呢？ Listen Read Learn May: There are so many people that the tickets are all sold out! Daniel: Luckily we
英语口语大赢家
1.W:The professor's voice is so soft that I can't hear the end of this sentences. [00:07.68]M:It's because the traffic outside cancels the effect of the microphone. [00:12.36]Q:What seems to be bothering the students? [00:16.56]2.M:What did Mary thin
英语四级听力练习集锦
Listen Read Learn May: There are so many people that the tickets are all sold out! Daniel: Luckily we got the last two. May: Look, Danny. The Four Great Inventions! Daniel: Gunpowder, compass, the paper making, and the printing. May: I really admire
英语大赢家上册
Section 38 Inventions They say that the world’s first great invention was the wheel. Perhaps we could argue that the discovery of fire was equally as important. Of course we don’t know who invente
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THIS IS AMERICA - October 14, 2002: Patents and Inventions By George Grow VOICE ONE: An office of the American government has helped to protect the legal rights of inventors for two- hundred years. Th
This is America
India is urging its oil companies to expand overseas to meet the soaring demands of its growing economy. India 's massive dependence on imported oil has prompted the country to look for energy assets overseas. Prime Minister Manmohan Singh told a pet
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According to the guideline, in a break from the current supervision body that manages the capital as well as state-owned enterprises (SOEs), the new organ will only supervise the use of capital and return other administrative tasks to relevant govern
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