项目活动·实践
任务情境:假设学校即将举办一场"自然奇观探索之旅"展览活动,邀请同学们担任"小小自然探索家",为观众介绍自己最喜爱的自然奇观。同学们需要设计一张海报来展示自然奇观的美丽与独特之处,并用英文向观众介绍这个自然奇观的特征以及人类探索它的意义。请运用本单元所学相关知识,参考下面思维导图,完成宣讲稿。

One possible version:
The Grand Canyon
Good morning, everyone! Today, I want
to introduce one of the most amazing natural
wonders in the world—the Grand Canyon.
The Grand Canyon is located in
Arizona, USA. It is a place that attracts
millions of visitors every year. When you
stand at the edge of the Grand Canyon, you
will be amazed by its beauty. It is so deep
and wide that you can't see the bottom.
The Grand Canyon is about 277 miles
long, up to 18 miles wide, and over a mile
deep. It is much deeper than any other
canyon I have ever seen. The walls of the
canyon are made of different layers of rock.
Each layer has its own colour and story. The
colours of the rocks change with the
sunlight. In the morning, they look orange
and red. In the evening, they turn purple
and blue. It is like a beautiful painting.
Exploring the Grand Canyon is very
important to us. It helps us learn about the
history of the earth. We can see how the
earth has changed over time. It also reminds
us to protect nature. The Grand Canyon is
more beautiful than any other place I have
ever been to. We should do everything we
can to keep it clean and safe.
Thank you for listening to my introduction.
I hope you can visit the Grand Canyon one
day and see its beauty with your own eyes.