题目

阅读理解。 A hobby is not a job or a school subject. A hobby is something you enjoy doing in your spare time. It’s not something you need to do. It’s just fun. Some people make model ships, keep pets, plant flowers, play computer games and chat on the Internet. Some paint pictures and dance to music. Some collect everything from stamps to seashells (海贝壳)….. People take up hobbies because they think these activities can bring them many things like happiness, friendship and knowledge（知识）. Anyone, rich or poor, old or young, sick or well, can have a hobby. A hobby w关于能源和信息，下列说法中正确的是：A. 化石能源、水能、风能均是可再生能源B. 频率越高的电磁波在空中传播得越快C. 光纤通信是利用激光通过光导纤维来传递信息的D. 卫星通信是通过通信卫星利用微波或中波传递信息的