In the 1st version we learn that scientists were ______ the world about this____ years ago, but people did ______. In the 2nd version we learn that many ______have happened ______ ___ our grandparents’ _______.
【单选题】Nolan likes to dress in the most trendy and flashiest styles. Due to the concept of perception, in which setting are you least likely to notice what Nolan is wearing?
【判断题】Management by objectives is a goal setting process in which specific goals are set and controls standards are specified throughout the organisation.