题干
书面表达。你知道中国古代的四大发明吗？ 你认为哪项发明是最有用的？ 请阐述你的观点并详细介绍 这项发明。 词数80个左右。
答案(点此获取答案解析）
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
