题目内容

(八) 某公司在承建一个项目时，使用了网络图对项目进度进行管理。该节点的前后作业存在的时差等于______。

A. 6
B. 7
C. 8
D. 0

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Questions 19 to 22 are based on the conversation you have just heard.

A. Discovering new life in space.
B. Studying meteorites.
C. Plotting the courses of asteroids.
Developing radar telescopes.

Questions 33 to 35 are based on the passage you have just heard.

A wide selection of investments.
B. A limited range of stocks.
C. A group of low risk bonds and cash.
D. A variety of funds.

(五) 某种产品采用GB/T2828.1，现有连续25批产品的检验记录及转移得分和严格度的部分结果。其中，AQL=1.0，IL=Ⅱ。批的序号批量N样本量字码样本量n合格判定数Ac不合格品数d批合格与否转移得分下一批严格度1180G5010接收2正常2200C5011接收4正常3250G5012不接收0正常4450H5011接收25300H5011接收4680E1301不接收07800J8011接收—8300H8010接收—加严9100F2000接收—加严10600J8010接收—11200G8011接收—12250G5010接收213600J8021接收1480E1300接收正常15200C5010接收9正常16500H5010接收11正常17100F1300接收13正常18120F1300接收15正常1985E1300接收17正常20300H5011接收19正常21500H5010接收21正常22700J8020接收24正常23600J8020接收2724550J8020接收25400H3210接收—放宽从第______批开始转回正常检验。

A. 12
B. 11
C. 10
D. 13

(六) p控制图控制中心线为______。

A. UCL=0.19
B. CL=0.10
C. LCL=0.01
D. UCL=0.25
E. LCL=0.19