有明显胆汁反流的慢性胃炎者，首选的治疗药物是（）。 A.糖皮质激素 B.多潘立酮 C

一个LAN用户电影打不开，总是准备就绪不缓冲.可以通过安装（）和重装MP9解决.

患者，男性，30岁。左侧腹部撞击伤后2周。体检：全腹压痛，左上腹可以触及一包块，边缘不清、触痛明确。经非手术治疗后症状缓解。1小时前突然再次出现腹部持续性疼痛并向左肩部放射。体检：血压75/52mmHg，脉搏每分钟110次，腹平坦，左上腹压痛，移动性浊音阳性，肠鸣音消失。

急诊行剖腹探查手术，若术中发现为脾破裂，此时最适宜的手术方式是（）.

A.单纯缝合修补术

B.脾段切除术

C.脾切除术

D.可吸收聚乙醇酸网兜聚拢脾裂口

E.单纯脾动脉结扎

在家庭生命周期的几个阶段中，哪个阶段的负债最高，最能承受风险( )

A．家庭形成期

B．家庭成长期

C．家庭成熟期

D．家庭衰老期

Sixty adults were asked to keep a diary of their meals, including what they consumed, when, and in the company of how many people. It was found that at meals with which they drank alcoholic beverages, they consumed about 175 calories more from nonalcoholic sources than they did at meals with which they did not drink alcoholic beverages.
Each of the following, if true, contributes to an explanation of the difference in caloric intake EXCEPT （）

A．Diners spent a much longer time at meals served with alcohol than they did at those served without alcohol.

B．The meals eaten later in the day tended to be larger than those eaten earlier in the day, and later meals were more likely to include alcohol.

C．People eat more when there are more people present at the meal, and more people tended to be present at meals served with alcohol than at meals served without alcohol.

D．The meals that were most carefully prepared and most attractively served tended to be those at which alcoholic beverages were consumed.

E．At meals that included alcohol, relatively more of the total calories consumed came from carbohydrates and relatively fewer of them came from fats and proteins.

点a（0°，20°W），b（20°N，20°E），a在b的方向是（）

A.东南

B.西南

C.西北

D.东北