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254. 聽下面材料，回答第(1) (2) (3) 題。
(1) Why are some experts strongly encouraging arm exercises?
A. Because our arms are often too fat.
B. Because our arms are often too soft.
C. Because arm exercises can build up our health.
(2) What will happen to your blood pressure when you do arm exercises?
A. Decrease.
B. Increase.
C. Keep normal.
(3) What should be done to match the arm exercises?
A. Leg exercises.
B. Cycling.
C. Waist exercises.
