单项选择题

Questions 1 to 4 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now, listen to the conversation.
The purpose of adding leg exercises to arm exercises is to ______.

A．compensate for a problem brought by arm exercises
B．make the whole body balanced
C．prevent fatigue
D．lose weight

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单项选择题

单项选择题

Questions 1 to 4 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now, listen to the conversation. The purpose of adding leg exercises to arm exercises is to ______. 您的浏览器不支持 audio 元素。