题目

说出下列事例中改变物体内能的方式：①用电水壶烧水，水的温度升高_____；②很冷的冬天，人们靠近火炉取暖_____。 答案：【答案】热传递 热传递 【解析】①利用电水壶烧水时，水从电热丝吸收热量，升温，是通过热传递方式改变水壶中水的内能；②很冷的冬天，人们靠近火炉取暖时，是通过热传递的方式改变物体内能的。A hobby can be almost anything that a person likes to do in his spare time. Hobbyists raise pets, watch birds, paint pictures, play the piano and grow flowers.   1.   They collect everything from books to butterflies and from boxes to stamps.     People take up hobbies because these activities offer enjoyment, friendship and relaxation. Hobbies help people relax after a long time of hard work, and provide a balance (平衡) between work and play. Hobbies offer interesting activities for the old. Some hobbies can make a child grow as a person, develop his interest and help him learn new skills.   2.   Doctors have found that hobbies are useful in helping patients (病人) recover (恢复) from illness. Hobbies give patients who can’t move around something to do, and provide interests that keep them from thinking about themselves. Many hospitals treat (治疗) patients by having them take up interesting hobbies.   3.   In early times, most people were too busy making a living to have many hobbies. But some persons who had spare time did enjoy hobbies.   4.  People today have more time than ever before for hobbies. Machines have now reduced much time that people must spend on their jobs.   5.   Those who have developed hobbies never need to worry about what to do with their newly-found free time hours.     Sir William Osler, a famous Canadian doctor expressed the value (价值) of hobbies by saying, “No man is really happy or safe without a hobby.” 请根据以上内容，从下列五个选项中选择适当的句子还原到短文中，使短文完整与正确。将其标号在答题卡上涂黑。（每小题2分，共10分）      A. More people retire at an earlier age than before. B. Hobbies can also help a patient to keep healthy. C. The ancient Egyptians played games with balls made of wood. D. They also go to concerts, climb mountains, go fishing, skate and swim. E. Anyone, old or young, sick or well, rich or poor, can follow a good hobby, in spite of his age, health or money.