恐龙是中生代多样化优势陆栖脊椎动物,曾支配全球陆地生态系统超过1亿6千万年之久。恐龙最早出现在2亿3千万年前的三叠纪,灭亡于约6千5百万年前的白垩纪晚期所发生的白垩纪末灭绝事件。但是恐龙的后代——鸟类存活下来,并繁衍至今。
10句话左右的英语作文一
Last summer, I went to visit my uncle by air. I had never taken a plane before. So I was on top of the world at the news.
I was too excited to fall asleep the previous night. On the day of flight, the crew took me from my parents to the seat in the plane.
Luckily my seat was near the window. Before the plane took off, I imagined how nice it would be in the sky. But before long I was so tired that I couldn't help sleeping.
When I woke up, the plane had just landed. Isn't it interesting?
可以放点轻音乐。不能带耳机哈