1. seem/ look
(1) seem 一般着重于以客观迹象为依据，意思是似乎、好象、看
起来。
The baby seems to be happy.婴儿看上去似乎很高兴。
He seemed to be sorry for that.他似乎为那件事感到抱歉。
seem 能与to do 结构连用，而look 不能。
It seems to rain. 似乎要下雨了。
They seemed to have finished their work.他们似乎已经完成了工作。
在it 作形式主语的句型中只能用seem。
It seems that he is quite busy now.他现在看起来很忙。
It seems to us that there is nothing serious.在我看来没什么大不了的。

(2) look 用作看起来;好像时，常从物体的外观或样貌上来判断，
是以视觉所接受的印象为依据的。
The room looks clean.这间房看起来很干净。
The girl looks like her mother.那女孩看起来向她的妈妈。

2. such/ so
(1)Dont be such a fool.别这么傻。
He is such a clever boy.他是如此聪明的一个男孩。

(2) so 是副词，用来修饰形容词或副词。
He is so kind! 他真好心!