第7题: [单项选择]The Sydney Harbour oil spill was the result of a
A ship refuelling in the harbour.
B tanker pumping oil into the sea.
C collision between two oil tankers.
D deliberate act of sabotage. 参考答案:B 答案解析:Para 2: accidentally discharging its cargo into Sydney Harbour ....
第25题: [单项选择]有关门静脉高压症的病理变化特点,错误的是(). A. 门静脉血流阻力增加是门静脉高压症的常见始动因素 B. 门静脉无静脉瓣,压力通过血流量和流出阻力形成并维持 C. 分为肝前型、肝内型和肝后型 D. 肝内型又分为窦前型、窦后型和窦型 E. 再生的肝细胞和增生的纤维压迫肝窦,是导致门静脉压力升高的唯一因素 参考答案:E