下列质量控制统计方法中,( )法可以用来动态跟踪生产过程的质量状态。
A.直方图
B.控制图
C.排列图
D.因果分析图
参考答案:B
解析:[知识点] 控制图法
有关全肺切除后综合征下列说法正确的是()
A.主要发生于老年患者
B.由呼吸道梗阻引起
C.极度的纵隔移位和扭转
D.受累支气管软化
E.多发生于左全肺切除者
While discussing the role of commodities as a vehicle for investment, a commentator makes the following statements : Statement 1 : During economic expansions, increasing supply tends to reduce the price of commodities. Statement 2: Investing in commodities can give the investor exposure to fluctuations in production and consumption. Are these two statements correct Statement 1 Statement 2()①A. Incorrect Correct ②B. CorrectCorrect ③C. CorrectIncorrect
A. ①
B. ②
C. ③