2021下半年英语四级作文预测及范文

2021下半年英语四级作文预测及范文：

Topic: The Importance of Physical Exercise

Title: Why Physical Exercise Matters

Physical exercise has become an essential part of modern life, and its importance cannot be overstated. Engaging in regular physical activity not only contributes to our physical health but also has a profound impact on our mental well-being.

Firstly, physical exercise helps maintain a healthy weight. With the sedentary lifestyle many of us lead, it's easy to gain excess weight, leading to various health issues such as diabetes and heart disease. Regular exercise helps burn calories and build muscle, which in turn helps control weight.

Secondly, exercise is a powerful stress reliever. When we exercise, our body releases endorphins, the so-called feel-good hormones, which reduce stress levels and improve our mood. This is particularly beneficial for those who lead stressful lives, such as students or professionals.

Moreover, physical activity enhances cognitive function. Studies have shown that regular exercise can improve memory, attention, and problem-solving skills. This is because exercise promotes blood flow to the brain, which is crucial for optimal cognitive performance.

In conclusion, physical exercise is not only beneficial for our bodies but also for our minds. It helps us maintain a healthy weight, reduces stress, and enhances cognitive function. Therefore, it's essential that we incorporate physical activity into our daily routines and prioritize our health and well-being.

体育锻炼已经成为现代生活的必要组成部分，其重要性不容忽视。定期参与体育活动不仅有助于我们的身体健康，还对我们的心理健康产生了深远的影响。

首先体育锻炼有助于保持健康的体重。由于我们许多人过着久坐不动的生活方式，很容易增加体重，导致诸如糖尿病和心脏病等各种健康问题。定期锻炼有助于燃烧卡路里和增加肌肉，这有助于控制体重。

其次锻炼是一种强大的压力缓解剂。当我们锻炼时，我们的身体会释放内啡肽，即所谓的“感觉良好”的激素，这有助于降低压力水平，改善我们的情绪。这对那些生活压力较大的人来说尤其有益，如学生或专业人士。

体育活动提高了认知功能。研究表明定期锻炼可以提高记忆力、注意力和解决问题的能力。这是因为锻炼促进了血液流向大脑，这对于最佳认知表现至关重要。

总之体育锻炼不仅对我们的身体有益，也对我们的心灵有益。它帮助我们保持健康体重，减少压力，并提高认知功能。所以我们将体育活动融入日常生活并优先考虑我们的健康和福祉是至关重要的。