中国四大发明哪个最重要的英语作文

As we all know,The Compass ,Gunpowder ,Papermaking,and Printing
are our Chinese great inventions.Our ancestors created them by their own
mind and hand.These inventions not only have an effect on our daily
life,but also contribute to the culture all aroud world.But which is the
most useful and practical invention to us?Well,as far as I
concerned,the paper that we use now was first invented in Han dynasty,at
that time this invention did improve their hand writing.Just imagine
how our life will be if we live without paper?so,in a word,I think the
paper is the most useful invention.
望采纳谢谢