在PowerPoint 2003中，使用模板可以为幻灯片设置统一的外观样式。
LC回路的品质因数Q值越高，选择性则（）。 ["越好","越坏","越宽","越窄"]
怎样在现场动作液压调节翻板？
工资支付的原则包括（） ["协商同意","平等付酬","紧急支付","依法支付"]
The amount of fluid delivered by a helical pump can be regulated by （）. ["throttling the pressure line","changing the speed of the rotor","either A or B","None of the above is tree"]
怎样用肉眼来观察MG的燃烧情况？
