第9题: [单项选择]患者男性,24岁,高热、流涕、咳嗽4天,于2001年4月7日入院。入院1天后出现呼吸困难,胸部X线片示双肺透亮度降低,经抗感染治疗患者症状不见缓解,呼吸困难进一步加重,胸部X线片示双肺呈白肺,R35次/分,血气分析(Fi0229%)示pH7.35,PaO256mraHg,PaCO236mmHg。病原治疗主要选用()。 A. 红霉素 B. 碳青霉烯类 C. 更昔洛韦 D. 克林霉素 E. 氨苄西林 参考答案:C
第15题: [单项选择]Plenty of families were ______ from their homes during the war. A. evaporated B. evacuated C. evaluated D. elevated 参考答案:B 答案解析:[译文]在战争期间,许多家庭被迫背井离乡,到处流浪。
[解析]动词辨义。这四个选项是词形相近的动词,evaporate表示“(使)蒸发,消失”,如:The sun will evaporate th
第24题: [单项选择]What athletic events were held in the first thirteen Olympic Games A. A great variety of events. B. A field event only, C. A track event only. D. Both track and field events. 参考答案:C 答案解析:第三段最后一句说明头十三届奥运会只有一个比赛项目:赛跑.