与精神障碍发生有关的生物性因素不包括（） ["遗传因素 ","素质因素 ","器质性因素 ","理化因素"]
管理会计的服务对象侧重于（） ["企业内部管理人员","投资人","债权人","政府机关"]
消费者行为学侧重研究（）。 ["生产性消费","服务消费","集团消费","有形商品的消费"]
ZY2200-16/32型支架中的2200表示（）。 ["工作阻力","支撑力","初撑力"]
You are creating a Windows Forms application by using the .Net Framework 3.5.You plan to display detailed help instructions for each control in the form.You create a help file.You configure a HelpProvider component on the form. You need to display the help file for the control that is focused when the F1 key is pressed.Which method of the HelpProvider class should you call for each control？（） ["SetShowHelp","SetHelpString","SetHelpKeyword","SetHelpNavigator"]
曲轴位置传感器起什么作用？
