题目内容
感觉适应是由于刺激物对感觉器官的持续作用而引起感觉器官发生变化的现象。
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知觉的恒常性是指任何对象的知觉映象永远不变。
[音频]From June 11 to July 6, 2010, 642 US students (aged 10-18) 1__________ the Gallup1 Student Poll. The Gallup surveys are the first broad look at goal-setting at this age. The students were asked 20 questions meant to 2________ their hope, engagement, and wellbeing — three 3_______ that 4__________ for future achievement, and then were classified as “ready for the future” if they scored high in all three dimensions.The Gallup Student Poll reported 34% of the 5_______ scored high on all the three measures, who are thought to be more likely to succeed academically and 6_______ good health over time. While 53% of students are hopeful, 63% are engaged, and 70% are 7________, many students 8________in at least one of these dimensions. The following is the Hope Index which 9_______ 53% of the students as “hopeful” based on their responses to a series of questions about their goals and 10_______ at school and for the future.
安装油管卡子的时候一定要安装到位，以免系统漏油渗油（ ）
为了防止转向助力油过脏或变质，通常2年或3万公里更换一次（ ）
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