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powered design which generated hydrogen gas and team from the California Institute of Technology picked up a prize of $100,000, almost 650,000 RMB. Clearly Bill Gates doesn’t feel he’s flushing money down the the Seattle event he said, “We couldn’t be happier with the response we’ve gotten.” Gates has even pledged $370 million ( billion RMB) more to the future toilet hope to field test more prototypes over the next three years. 1. Why is Bill Gates paying people to invent new toilets? A. He is concerned about energy saving. B. He is concerned about people’s health benefits. C. He wants to earn a profit from the invention. D. He just wants to raise people’s awareness of invention. 2. One problem with the traditional toilet is that________. A. it consumes a considerable quantity of drinking water B. it is not fit to use in most areas C. it threatens people’s health , especially the adults’ D. it takes a lot of money 3. Which of the following statements about Bill Gates’ ideal toilet is TRUE? A. It should work with little running water. B. It should not depend on electricity. C. It should be equipped with a septic tank. D. It needs no money to operate properly. 4. What can we infer from the passage? A. Bill Gates is wasting money on the project. B. Bill Gates’