According to the conversation, what is one problem with arm exercises？
A. They don't get rid of flabby arms.
B. They can damage arm muscles.
C. They are not acceptable to most people.
D. They can raise one's blood pressure.
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Security exchanges handle ______.
A. securities
B. grain
C. bonds
D. both A and C
Regarded as a kind of art form, tbys_______.
A. follow a direct line of ascent
B. also appeal greatly to adults
C. are not characterized by technological progress
D. reflect the pace of social progress
A．Wearing some sports suit.B．Having the right shoes.C．Taking a bath after the exercise.
A. Wearing some sports suit.
B. Having the right shoes.
C. Taking a bath after the exercise.
Drinking some water after the exercise.
"Heavy, heavy, the feet of Theodore." It means ______.
A. Theodore Dreiser was very, very old
B. Theodore Dreiser was old in spirit
C. Theodore Dreiser was tramping through the wilderness
D. the tone in Theodore Dreiser's works was very heavy
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