第20题: [单项选择]男性,21岁,因再生障碍性贫血入院。护理体检:体温38℃,面色苍白,皮肤散在出血点。此病人须长时间静脉输入抗胸腺细胞球蛋白治疗。 为保护及合理使用静脉,选择血管时应 A. 由近心端到远心端 B. 由远心端到近心端 C. 先粗大后细小 D. 先细直后弯曲 E. 先上后下 参考答案:B 答案解析:长期输液的患者要注意保护血管,其中一个原则就是由远到近,因此应先选择远端血管注射。
第29题: [单项选择]Questions 33 to 35 are based on the passage you have just heard. A. Lightning and thunder. B. Warm air and cold air. C. A great deal of water vapor and a rapidly rising air current. D. A great amount of vapor and electricity. 参考答案:C 答案解析:[听力原文] What are the two conditions that must exist for thunderstorms to develop