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Questions 9 to 12 are based on the passage you have just heard.
9
A.Ask questions frequently.
B.Speak very loudly.
C.Limit the speech to 15 minutes.
D.Vary tone, volume, and speed of speech.
10
A.Depend on microphones.
B.Avoid shouting.
C.Choose small rooms.
D.Keep volume stable.
11
A.Make a pause.
B.Lower register.
C.Vary pitch.
D.Slower pace.
12
A.To practice speaking slowly.
B.To learn to adjust their tones.
C.To evaluate their own voices.
D.To record their voices for the speaker to evaluate.
