第7题: [单项选择]{{B}} Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. Crowded air traffic. B. The large size of airplanes. C. Mistakes by air traffic controllers. D. Bad weather. 参考答案:C 答案解析:[听力原文]26-28
Today, air travel is much satyr than driving a car on a busy motorway. But there is t
第16题: [单项选择]对应ASCH码表,下列有关ASCII码值大小关系描述正确的是 A. “CR”<“d”<“G” B. “a”<“A”<“9” C. “9”<“A”<“CR” D. “9”<“R”<“n” 参考答案:D 答案解析:[解析] 在ASCII码中,有4组字符:一组是控制字符,如LF,CR等,其对应ASCII码值最小;第2组是数字 0~9,第3组是大写字母A~2,第4组是小写字母a~2。这4组对应的值逐渐变大。
第32题: [单项选择]男性,28岁。自12岁起每年春秋季反复出现喘息发作、咳嗽,用抗生素,异丙肾上腺素吸入有效,五天前闻油烟后又发生喘息,不能平卧。查体:大汗淋漓,发绀,脉搏细速,心率120次/分,BP160/100mmHg,T37.6℃,双肺闻散在哮鸣音。血气:PaO295mmHg,PaCO2 55mmHg,WBC 10.1×109/L。 此病人最可能的诊断是( ) A. 慢性支气管炎喘息型 B. 支气管哮喘发作期 C. 心源性哮喘 D. 过敏性肺炎 E. 支气管肺癌 参考答案:B