【单选题】病人,男性,64岁.8年前胃肠钡剂造影检查发现胃小弯溃疡,上腹部节律性疼痛时好时坏.近来中上腹有饱胀感,大便隐血试验多次阳性,有贫血体征.您在家庭随访时首先应指导患者
【判断题】食品添加剂的广泛使用与消费者对食品色、香、味、体的过度追求有关。
【单选题】What is the key to oil price in the author's opinion?
B.
Dozens of varieties of crude trading.
C.
Several challenges facing the oil industry.
D.
The rise of resource nationalism.
【单选题】患者,男,32岁,因头昏、头痛、多汗、呕吐、腹痛、腹泻半小时来诊。半小时前午餐曾吃青菜和肉类。查体:呼吸18次/分,脉搏100次/分,血压120/70mmHg,多汗,瞳孔缩小,肺部偶有湿啰音,心脏无杂音,心律规则。最可能的诊断是()
【单选题】Shelley is glad to meet Tommy and shakes hands with him.