用容积6毫升的小瓶装48毫升的药水，共需要小瓶____个。

    O. Henry was a pen name of an American writer. He wrote short stories. His real name was William Sydney Porter. He was born in North Carolina in 1862. As a young boy he lived an exciting life. He did not go to school for very long, but he tried to teach himself everything he needed to know. When he was about 20 years old, O. Henry went to Texas. There he tried different jobs. He first worked on a newspaper, and then had a job in a bank. When some money was lost from the bank, others believed O. Henry took it. So people sent him to prison﹡. He stayed in prison for three years. There he learned to write short stories. After he got out of prison, he went to New York and went on writing. He wrote mostly about New York and the life of the poor there. People liked his stories, because they always finished with a sudden change at the end, to the reader's surprise.

下列各句，句意明确、没有语病的一项是（    ）

民国初年的女性发式，时髦的就有十余种，有圆弧式、水波式、镰刀式、垂翼式、垂苏式、绞练式、平分式、定波式等。男子的打扮也无奇不有，青年人甚至流行德国威廉二世皇帝的“威廉式”小胡子。这反映了当时