My dad works from Monday to Friday in a bank. He uses the computer to count money. His job is very important in the bank.

    Dad is also busy at home. At weekends he cooks dinner. Usually he cooks Italian food. On Sundays he makes five pieces of pizza. Sometimes he cooks chicken and makes Chinese food. My mum watches and helps him. I help my dad, too. I wash the dishes.

    Many people think it is strange for a man to cook. But my dad enjoys his hobby. Cooking relaxes him. He is a weekend cook.

某同学利用如图所示的器材探究“液体内部压强的特点”。

比较是学习历史的一种很重要很有效的方法。在比较中我们能够找到很多有益的启示。请在比较中回答下列问题：