According to the passage which of the following is not true？A．Galileo did not solve the p
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According to the passage, which of the following is not true？
A．Galileo did not solve the problem of the water-pump.
B．When a scientist tries to establish a scientific law, he must collect much information.
C．An original hypothesis is not always accepted.
D．Using a good vacuum pump, it is possible to raise water from the bottom of a building to the roof 50 feet above.
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