采用快速励磁系统是提高电力系统()的具体措施之一。
参考答案:暂态稳定性
读下面这段文字,根据拼音写出相应的汉字。(4分)
喜欢春天的味道,泥土的清新,花草的羞sè ,青天的深邃……池塘边,依依杨柳轻拂碧波,qīng 诉着久别重逢的喜悦;屋檐下,归来的旧燕百啭千啼,快乐缘于忙筑新巢的身影;春风里,zhàn 放的花蕾楚楚动人,只为等待蜂围蝶舞的xuàn 烂。
第二节:语法填空(共10小题,每小题1.5分,满分15分)
Television is now playing a very important part in our life. But television, like many 11 things, has both advantages and disadvantages. Do the 12 outweigh (比…更重要) the latter?
In the first place, television is not only a convenient source of entertainment, but also 13 comparatively cheap one. For a family of four, for example, it is 14 as well as cheaper to sit comfortably at home, with almost unlimited entertainment available, than to go out in search of amusement elsewhere.
All they have to do is 15 (press) a button, and they can see plays, films, operas, and shows of every kind, not to mention the latest 16 (excite) football match. Some people, 17 maintain that this is precisely 18 the danger lies. The television viewer makes no choice and exercises no judgment. He is completely passive and has everything 19 (present) to 20 without any effort on his part.