Henry Ford was about seven years old when his father died.  His mother found it difficult ____ (support) the large family.  However, she tried her best to do so. Also, she____ (send) Henry,the eldest son, to school.

    At one time, Henry needed a grammar book for his study.  His family was so poor that his mother could not afford one.

    One morning, Henry found that a deep snow had fallen, and the cold wind ____(blow). "Ah," he said, "it ____(be) an ill wind that blows nobody good." With these words, he ran to the house of a neighbor, and offered his service to move away the snow around it. The offer____(accept).

    When he finished the work, he received his pay. Then he went to another place for the same purpose, and then to another, until he____(earn) enough to buy a grammar book.

    From that time, Henry was always the first in all his classes.  He knew no such word as "fail", and he succeeded in all he tried to do. Having the will, he always found the way.

将颗粒完整饱满的种子分成甲、乙两组，在25℃左右下分别播种，甲组种在肥沃湿润的土壤中，乙组种在贫瘠湿润的土壤中，这两组种子的发芽状况是(      )

依次填入下列横线处的词语，最生动、最准确的一组（      ）
①几只野鸭扑棱棱飞起，尖声惊叫，           着水面飞走了。
②我们在写文章的时候，常常会遇到写不下去的情形，这是好事，因为这就            了需要解决的矛盾。
③正像达尔文发现有机界的发展规律一样，马克思发现了人类历史的发展规律，即历来为纷繁芜杂的意识形态所           着的一个简单事实。
④沿着荷塘，是一条曲折的小煤屑路．这是一条           的路; 白天也少人走，夜晚更加寂寞。