单项选择题

Questions 15 to 17 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now, listen to the passage.
The talk is mainly about ______.

A．the importance of eating a good breakfast
B．a new reduction plan
C．the daily requirement of nutrients
D．problems brought by dieting

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单项选择题

单项选择题

Questions 15 to 17 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now, listen to the passage. The talk is mainly about ______. 您的浏览器不支持 audio 元素。