题目内容

Apart from current news, radio reports on some in science and technology also help our knowledge about the world.

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However, vocabulary has proved to be a problem that often ______ our understanding of the new information.

Therefore, in order to our ability in listening, words that frequently appear in some popular science should be carefully studied.

Besides, if we have a close examination of the reports, we may find that they are often divided into different parts or paragraphs on the , the test or experiment procedures, the observations, the findings or results and so on.

This kind of knowledge also helps us in following the ______ developments in science.