郑成功之所以被称为中国历史上的民族英雄,是因为他[ ]
A.从事反清复盟大业
B.打败荷兰殖民者,收复台湾
C.设置台湾府县,加强管理
D.传播先进技术,发展台湾经济
答案:B
Father was _____ tired _____ he fell asleep as soon as he lay down. [ ]
A. very; to
B. too; that
C. so; that
D. too; to
罂粟壳所含吗啡成份较鸦片小,久食也不会使人上瘾。