男性，19岁，从三楼坠落，查患者面色苍白，血压8/6kPa（60/45mmHg），脉搏120/min，全腹压痛、反跳痛。为明确诊断，应首先进行下列哪项检查（） ["CT","B超","血象检查","X线检查","腹腔穿刺"]
下列属于固定比率强化的是（） ["计件工资","佣金","临时检查","计时工资","口头表扬"]
下述综合症中何种具有昼轻夜重的变化（） ["谵妄综合征","痴呆综合征","遗忘综合征","脑衰弱综合征","以上都对"]
A company has a business application that provides its users with many different reports： receivables reports， payables reports， revenue projects， and so on.The company has just purchased some new， state-of-the-art，wireless printers， and a programmer has been assigned the task of enhancing all of the reports to use not only the company’s old printers， but the new wireless printers as well.When the programmer starts looking into the application， the programmer discovers that because of the design of the application， it is necessary to make changes to each report to support the new printers. Which two design concepts most likely explain the situation？（） ["Inheritance","Low cohesion","Tight coupling","High cohesion","Loose coupling","Object immutablility"]
下述哪类药物可诱发或加重支气管哮喘（） ["α受体激动剂","α受体阻断剂","β受体激动剂","β受体阻断剂","以上都不能"]
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