A.Bob. B.Frank. C.Paul. D.George.

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一 Grace, I heard you lost your wallet last week .

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The human brain's power could compete with any machine. And now a group of scientists from across Europe are trying to build one using the world's most p1. computer.

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So the brain computer will need to be able to do a billion calculations.

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科目：初中英語 來源：重慶南開（融僑）中學(xué)2018-2019學(xué)年九年級上學(xué)期期末英語試卷 題型：閱讀單選

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Laptop computers are popular all over the world. People use them on trains and airplanes, in airports and hotels. These laptops connect people to their workplace. In the United States today, laptops also connect students to their classrooms.

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