Quality planning tools are often used to help plan effective quality management activities.() is one of such tools,which involves company actual or planned project practices to those or other projects to generate ideas for improvementand to provide a basis by which to measure performance.

A、Benchmarking

B、Quality metric

C、Quality checklist

D、Brainstorming

与慢性胃炎和消化性溃疡有密切关系的病原菌为（）

A.空肠弯曲菌

B.幽门螺杆菌

C.胎儿弯曲菌

D.鼠伤寒沙门菌

E.副溶血性弧菌