【简答题】闭幕词要求用( )的语言对会议或活动进行说明概括,篇幅较短,语言风格简洁明快,体现了闭幕词( )的特点。
【单选题】The resistance of a light sensor in bright light is ________ that in the dark
D.
10,000 times higher than
【单选题】Mass moment of inertia is a measure of the resistance of a body to _____________.