“千山鸟飞绝，万径人踪灭。孤舟蓑笠翁，独钓寒江雪 。”柳宗元的这首《江雪》以一幅寂静的雪景画面，写出他被贬永州之后的悲凉心境 ，同时也寄托了他超凡脱俗的生命追求。这告诉我们（    ）

     Mr. Jackson is a teacher of science in a middle school. His students like his classes because his classes are very interesting. They can learn a lot in his class. The students can make（制作）many things. His little son Val also likes making things. He makes lots of machines（机器）, such as a machine like a man. It can do the job that is dangerous（危险的）for people to do. He says, “I want to be a scientist.”
根据短文内容，选择正确答案。

以下说法正确的是（   ）