ⅰ 语言知识及应用(共两节，满分45分)
第一节 完形填空(共15小题；每小题2分，满分30分)
阅读下面短文，掌握其大意，然后从1~15各题所给的a、b、c和d项中，选出最佳选项，并在答题卡上将该项涂黑。
some people think if you are happy, you are blind to reality. but when we research it, happiness actually ___1___every single business and educational outcome for the brain. how did we ___2___ this? why do we have these social misunderstandings about happiness? because we assumed you were ___3___.
when we study people, scientists are often interested in what the average is.
many people think happiness is genetic. that's only half the story, because the aver age person does not fight their ___4___. when we stop studying the average and begin ___5___ positive outliers(离群值) -- people who are above average for a positive aspect like optimism or intelligence -- a ___6___ different picture ap
