题目内容

有机磷农药中毒的发病机制

A. 抑制胆碱酯酶活力
B. 碳氧血红蛋白蓄积
C. 高铁血红蛋白蓄积
D. 交感神经过度兴奋
E. 迷走神经过度兴奋

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患者男性，30岁，断肢再植术后。术后护理错误的是

A. 专人护理，禁止探视
B. 室温应恒定在20～25℃为宜
C. 术后1周开始患肢功能锻炼
D. 患肢斜坡放置于比心脏略高5～8 cm
E. 禁用血管收缩药物

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下列说法不正确的是( )。

A. 生活垃圾填埋场应设置防渗衬层渗漏检测系统，以保证在防渗衬层发生渗滤液渗漏时能及时发现并采取必要的污染控制措施
B. 生活垃圾填埋场应建设渗滤液导排系统，该导排系统应确保在填埋场的运行期内防渗衬层上的渗滤液深度不大于20cm。为检测渗滤液深度，生活垃圾填埋场内应设置渗滤液监测井
C. 生活垃圾填埋场应建设渗滤液处理设施，以在填埋场的运行期和后期维护与管理期内对渗滤液进行处理达标后排放
D. 生活垃圾填埋场渗滤液处理设施应设渗滤液调节池，并采取封闭等措施防止恶臭物质的排放

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John Jenkins, CFA, is performing a study on the behavior of the mean P/E ratio for a sample of small-cap companies. Which of the following statements is TRUE（）

A. One minus the confidence level of the test represents the probability of making a Type Ⅱ error.
B. A Type I error represents the failure to reject the null hypothesis when it is, in truth, false.
C. The significance level of the test represents the probability of making a Type I error.

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ABC has an expected return of 18% and a standard deviation of 20%. XYZ has an expected return of 32% and a standard deviation of 40%. What is the variance of a portfolio that invests 25% in ABC and the remainder in XYZ, if the correlation between the two securities is 70%

A. 33.7%.

B. 30.0%.

C. 11.4%.

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有机磷农药中毒的发病机制

A. 抑制胆碱酯酶活力 B. 碳氧血红蛋白蓄积 C. 高铁血红蛋白蓄积 D. 交感神经过度兴奋 E. 迷走神经过度兴奋

患者男性，30岁，断肢再植术后。 术后护理错误的是

下列说法不正确的是( )。

John Jenkins, CFA, is performing a study on the behavior of the mean P/E ratio for a sample of small-cap companies. Which of the following statements is TRUE（）

ABC has an expected return of 18% and a standard deviation of 20%. XYZ has an expected return of 32% and a standard deviation of 40%. What is the variance of a portfolio that invests 25% in ABC and the remainder in XYZ, if the correlation between the two securities is 70%

A. 抑制胆碱酯酶活力
B. 碳氧血红蛋白蓄积
C. 高铁血红蛋白蓄积
D. 交感神经过度兴奋
E. 迷走神经过度兴奋

患者男性，30岁，断肢再植术后。术后护理错误的是