[解析]
(1)B 细节理解题.根据and around 30,000 people live on these waters in houseboats.可知有大约30000的英国人住在船屋.故选B.
(2)D 推理判断题.根据 During winter, living on a boat can be very cold Also,most boats are quite small inside.You don't have much space, especially if you are a couple,family or group of friends.冬天,在船上生活也会很冷,大多数船的内部都很小.你没有太多空间,尤其是当你是一对夫妇、一家人或一群朋友的时候.可以推测出,冬天住在游艇上很有挑战性.故选D.
(3)C 细节推断题.根据Another good ting about living on the water is the friendly neighbors People who live on houseboats always help each other and usually become good fiends.生活在水上的另一个好处是友好的邻居们,住在船上的人总是互相帮助,通常会成为好朋友.可以推测出,住在船上的人都很热心.故选C.