七 阅读下面材料,从方框中所给的A—E五个选项中选出正确选项(其中一项是多余选项),将其序号填入第1—4小题,并回答第5小题
Doing sports is good for both your body and mind. However,many people don't know how to exercise properly. Here are some tips.
1. ______
Before any physical activity,it's important to warm up your muscles to prevent injury(损伤). Some easy and gentle movements can help. They can make your body ready for the exercise to come.
2. ______
It's wise to find activities that you look forward to doing. Running,biking,or team games may be your choices. Doing things you enjoy makes it easier to keep up your habits.
3. ______
Make sure your goals are possible to achieve so you stay motivated(有动力的). You had better not choose difficult sports at first. So please begin with easy ones and go from there step by step.
4. ______
Eat a balanced diet. It will provide you with enough energy while exercising and help your muscles heal(复原) after you exercise.
Find a balance that works for you and enjoy the journey towards better health!
A. Find a partner.
B. Feed your body.
C. Set suitable goals.
D. Start with a warm-up.
E. Choose activities you enjoy.
5. Why do you need to eat a balanced diet?(不超过15词)______
读后词汇拓展 猜出画波浪线单词的词性和中文意思,并收入自己的小词典。
muscle ______

1—4 DECB 5. Because it provides me with enough energy and helps my muscles heal after I exercise.（答案不唯一，合理即可）