You are the project manager for a manufacturing company involved with making components for Internal Combustion Engines required for the automobile industry. In the past couple of days, there have been too many defects, and you would like to find out whether unusual events are occurring in your manufacturing process whose causes must be identified and corrected. For this purpose, you should use ______ .

A) inspection
B) Pareto charts
C) statistical sampling
D) control charts

下列疾病中不宜使用皮肤针法的病症为（）。

A、失眠

B、急性传染病

C、腰痛

D、急腹症

E、急性扁桃体炎