《2025年活动单导学课程高中英语必修第二册译林版》

Activity 5 Summary
课文概要
Starting exercise brings physical and mental benefits. Regular 1. physical activity improves heart and lung 2. efficiency by making them work harder, strengthening them over time. Active people also develop better immune 3. systems and lower disease risk. Mentally, exercise reduces stress and boosts brain functions, aiding school 4. performance.
When planning routines, 5. focus on three goals: heart/lung health (through aerobic 6. activities like swimming), muscle strength (via strength training like weightlifting), and 7. flexibility (with gymnastics or tai chi). Choose enjoyable activities to stick 8. with them.
Carbohydrates fuel workouts, 9. while protein helps muscle recovery. Eat 1.5 - 2.5 hours before exercising and wait 30 - 60 minutes after. Drink water throughout exercise to replace sweat loss.
Prevent injury by wearing proper gear, starting small, warming up before hard activities, and 10. stretching afterward.

答案： 1 physical 2. efficiency 3. systems
4. performance 5. focus 6. activities
7. flexibility 8. with 9. while
10. stretching