第15题: [单项选择]颅内高压病人降低颅内压宜使用()。 A. 甘露醇 B. 氨苯蝶啶 C. 螺内酯 D. 氢氯噻嗪 E. 速尿 参考答案:A 答案解析:[解析] 甘露醇:①使血浆渗透压迅速提高,形成血管内与脑组织之间的渗透压差,脑组织内的水肿液被吸收至血管内而由尿排出;②血渗透压的升高,反射性地减少脑脊液的产生;③使脑血管收缩,血容量减少而降低颅内压;④清除组织中最危险的羟自由基,从而减轻脑水肿。
第35题: [单项选择]MyPoints induces online customers to make purchases by ______. A. reading its emails and visiting its websites B. enjoying free services it offers C. completing an online profile D. redeeming the acquired points 参考答案:D 答案解析:细节推理题。文章第六段第二句话“The acquired points can be redeemed for a variety of goods and services.”提到Mypoints使