What button do you press if you want to listen again what has been played?
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常年从事接触高温作业的工种,应以()测量值为高温作业分级依据。
阅读下列材料,回答 46~50 题:
第 46 题 According to the text,making monetary policy changes __________.
What is the main idea of the man's speech?
What is one of the most popular types of books?