第7题: [单项选择]According to the passage, brain cells _________. A. are highly active. B. often stop communicating with each other as we. grow old. C. are unable to process thoughts. D. are like old married couples. 参考答案:B 答案解析:[注释] 细节题。文章第三段提到:“In addition,brain cells often stop communicating with each other as people age,mak
第31题: [单项选择]SPD不但具有对早期SPC警告进行控制的功能,而且具有( )功能。 A. 质量控制 B. 过程控制 C. 预测 D. 诊断 参考答案:D 答案解析:[解析] SPD不但具有早期SPC警告进行控制的功能,而且具有诊断功能,故SPD是现代SPC理论的发展和重要组成部分。SPD就是利用统计技术对过程中的各个阶段进行监控与诊断,从而达到缩短诊断异常的时间