SECTION A CONVERSATIONS In this section you will
hear several conversations. Listen to the conversations carefully and then
answer the questions that follow.
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