Questions 12 to 15 are based on the passage you have just heard.
A. Their performance may improve.
B. Their immune system may be reinforced
C. Their blood pressure may rise all of a sudden.DTheir physical development may be enhanced.
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13）
A. The improvemental functioning.
B. The increase susceptibility to heart disease.
C. The speeding up of blood circulation.
D. The reduction of stress-related hormones.
14）
A. Pretend to be in better shape.
B. Have more physical exercise.
C. Turn more often to friends for help.
D. Pay more attention to bodily sensations.
15）
A. Different approaches to coping with stress.
B. Various causes of serious health problems.
C. The relationship between stress and illness.
D. New findings of medical research on stress.
Questions 16 to 19 are based on the recording you have just heard.
A. Not using offensive or hurtful language.
B. Using more encouraging words.
C. Never using slang words with old people.
D. Using some popular language with young people.
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