表示程度

She sings so beautifully. （她唱得真好听。）

He runs so fast. （他跑得真快。）

表示结果

It was so cold that we decided to stay home. （天气太冷了，所以我们决定待在家里。）

They worked so hard that they finished the project ahead of time. （他们工作得非常辛苦，提前完成了项目。）

表示对比

This book is so interesting, unlike the last one I read. （这本书非常有趣，和我上次读的那本不一样。）

She is so tall, she can hang glide on a Dorito. （她非常高，可以在一个玉米卷上滑翔。）

表示原因

I was so tired that I fell asleep as soon as I got home. （我累坏了，一回到家就睡着了。）

They were so hungry that they ate all the cookies in the jar. （他们饿极了，把罐子里的饼干都吃掉了。）

表示目的

I bought this car so I could travel more easily. （我买了这辆车，以便能更方便地旅行。）

She studied so hard so she could get good grades. （她学习得非常努力，以便能取得好成绩。）

表示让步

Although it was raining, we decided to go for a walk. （虽然下雨了，我们还是决定去散步。）

She was so busy that she didn't even have time to eat lunch. （她太忙了，连吃午饭的时间都没有。）

表示强调

I love you so much. （我非常爱你。）

He is so tall, he can touch the sky. （他非常高，能摸到天空。）

希望这些造句能帮助小学生更好地理解和运用"so"这个词。