假如你是明启中学的高三学生李华，你的学校决定开设时长为30分钟的体育大课间。现向同学们征集课间活动方案。你对此有一些想法，便写信给学生会。信件内容包括：

1. 具体的活动安排；

2. 设计这些活动的理由。

参考范文：

Dear Student Union,

I am Li Hua, a senior three student from Mingqi High School. I am writing to propose my ideas for the 30-minute sports break activity to be implemented by our school.

Firstly, I suggest dividing the 30 minutes into three parts: a 10-minute group stretching session, a 10-minute moderate-intensity aerobic exercise, and a final 10-minute relaxation and breathing exercise. The stretching session can help us loosen up our muscles, reducing the risk of injury during subsequent activities. The moderate-intensity aerobic exercise, such as brisk walking or light jogging, can enhance our cardiovascular health and boost our energy levels. Finally, the relaxation and breathing exercise can help us calm down, reduce stress, and prepare for the next class.

As senior three students, we are under immense academic pressure, and regular physical activity can help us alleviate stress and improve our mental well-being.

Yours,

Li Hua

本篇书面表达属于应用文。要求考生写信给学生会，说明自己对开设时长为30分钟的体育大课间的具体活动安排以及设计这些活动的理由。

(详解)

1. 词汇积累

建议：suggest → advise

加强：enhance → strengthen

压力：pressure → stress

最后：finally → at last

2. 句式拓展

句型转换

原句：As senior three students, we are under immense academic pressure, and regular physical activity can help us alleviate stress and improve our mental well-being.

拓展句：As senior three students, we are under immense academic pressure so that regular physical activity can help us alleviate stress and improve our mental well-being.

(点睛)

(高分句型1) “The stretching session can help us loosen up our muscles, reducing the risk of injury during subsequent activities.” (运用了现在分词作状语。)

(高分句型2) “Firstly, I suggest dividing the 30 minutes into three parts: a 10-minute group stretching session, a 10-minute moderate-intensity aerobic exercise, and a final 10-minute relaxation and breathing exercise.” (运用了动名词作宾语。)