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2. The rocket was probably invented about .

   A. 3,000 years ago   B. 200 years ago

   C. 1,232 years ago   D. 2,000 years ago

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Inventor,physicist,surveyor,astronomer,biologist,artist ... Robert Hooke was all there and more. Some say he was the greatest experimental scientist of the 17th century. In the course of his work,he cooperated with famous men of science like Isaac Newton,and the great architect,Christopher Wren.

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