期望一个人做两份工作似乎是不合理的。

It seems ___unreasonable to expect one person to do both jobs.

因此，认为一个国家可以仅基于学生喜欢的少数事物来建立其学术体系是不合理的。

So it's ___unreasonable to think that a country can base its scholastic system only on the few things that students like.

他们收取的价格完全是不合理的。

The price they charged was completely ___unreasonable.