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大实际教学中,选择题的训练和解答相对简单。而更多学生面对非选择题,却无从下手,找不到突破口。今天,我们找到了这个突破口,那就是关键词。一、关键词的概念界定关键词经常见诸报端,网络上年年评选十大流行关键词,可见关键词已被大多数人所熟知,但这里所说的关键词与其他意义上的关键词稍有不同。起初,关键词主要用于文献标引,表示全文的主题信息。后来随着网络的飞速发展,关键词被广泛用于网络搜索引擎,也
In actual teaching, the training and answers to multiple-choice questions are relatively simple. And more students face non-choice questions, but no start, can not find a breakthrough. Today, we found this breakthrough, that is the key words. First, the definition of keywords The keywords often appear in newspapers, the Internet last year, the top ten popular keywords selected, we can see that the key words have been well-known to most people, but here said the key words and other key words Slightly different. At first, the key words are mainly used for document indexing, which represents the full text of the topic information. Later, with the rapid development of the Internet, keywords are widely used in web search engines, too