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物理高考试题中“有效信息”的隐藏和获取是对学生的要求,也是设计试题的一种思路.本文以2011年物理高考试题为例,探索“有效信息”的几种常见的隐藏方式.1用“数字”隐藏“文字”例1.(2011年全国卷)我国“嫦娥1号”探月卫星发射后,先在“24小时轨道”上绕地球运行(即绕地球一圈需要24小时);然后,经过两次变轨依次到达“48小时轨道”和
In the physical college entrance examination questions, the hiding and obtaining of “effective information” is a requirement of the students and also a way to design the test questions.This paper takes the 2011 physical college entrance examination questions as an example, and explores several common kinds of “effective information” Hidden way .1 hidden “text ” with “number ” Example 1. (2011 national volume) China “Chang’e 1 ” lunar exploration satellite launch, the first in the “24 hour track ” around The Earth is in operation (ie, 24 hours round the Earth); then, after two orbital changes, the “48-hour orbit” and