· D. Gisborne first designed the solar panels for the boat 42. What does Gusborne think is the best part of his boat? A. It is almost as fast as other boats. B. It only needs to use energy from water. C. It uses energy more efficiently. D. Its battery charges quickly. 43. What is the shortcoming of the solar-powered boat? A. It is not very good for everyday use. B. It is not environmentally friendly. C. It is not as fast as gas-powered boats. D. It is too slow for people who use boats a lot. 44. What can we infer about the solar-powered electric boats from the last paragraph? A. They can meet the needs of fishermen. B. They are not as good as gas-powered boats for Sunday boat rides. C. They are suitable for going out on a lake with the family on Sundays. D. People who like toys should use them on weekends. 45. The passage mainly talks about ___________. A. the Gisbornes' 12-day trip to New York B. the first solar-powered boat across American canal system C. a new invention to replace gas-powered boats D. the shortcomings of solar-powered boats for everyday use
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