第9题: [单项选择]男性，45岁，突发头痛、头晕、呕吐，有高血压史。查体：嗜睡，瞳孔等大，四肢可动，双侧巴氏征阳性。CT：右小脑半球出血，第四脑室受压，血肿量15ml。拟行的治疗及其理由是（） A. 血肿量＞10ml，未破入脑室，行手术治疗 B. 血肿量＜40ml，行保守治疗 C. 患者无昏迷，行保守治疗 D. 患者未脑疝，行保守治疗 E. 血肿量＜20ml，行保守治疗 参考答案:B 答案解析:小脑出血，血肿量＞10ml，且压迫第四脑室，应手术治疗。
第10题: [单项选择]人一生中机械记忆力的最高峰为（） A. 8岁 B. 10岁 C. 15岁 D. 18岁 E. 25岁 参考答案:B
The bicycle is the most popular means of transportation in China. China is a country "on bicycle wheels". People ride them for various purposes such as going to and from school and work. Bicycles are very cheap and easy to buy in China.
There are many advantages to riding a bicycle. First, using a bicycle can greatly help reduce the air pollution in many big cities. Second, people can improve their health by riding a bicycle. The future of bicycle will be bright. In some European countries, city governments have arranged pedestrians to use "public bicycles" to travel round the city center free of charge.
