简答题 The panels also take up space.

简答题 It is no use offering the exhausted manual laborer the chance of playing a game of football or baseball on Saturday afternoon.

简答题 And the problem is getting more and more serious.

简答题 Of these the former is the majority.

简答题 A man may acquire great knowledge of topics unconnected with his daily work, and yet hardly get any benefit or relief.

简答题 Solar power has some obvious advantage over other energy source.

简答题 To be really happy, one ought to have at least two or three hobbies, and they must all be real.

简答题 Look out of the window, Dr. Smith caught sight of a young man running towards his clinic.

简答题 除了英语，你再学一门外语。