考查to do 不定式表示目的状语,故填 to do

【题目】Recently a new science behind incentives(激励),   【1】___  (include) in education, has been discussed. For example, researcher Roland Fryer wanted to see what works best in motivating children  _【2】__  (do) better in school. ___【3】_  some cases, he gave students incentives based on input(输入), like reading certain books, while in  【4】___, the incentives           _ 【5】   (base) on output, like results on exams. His main   _【6】_  (find) was that incentives increased achievement when based on input but had no effect when based on output. Fryer’s conclusion was that the incentives for inputs might be    【7】____ (effect) because students do not know how to do better on an exam, apart from general rules like “study harder”. Reading certain books, on the other hand, is a well-set task over    【8】___  they have much more control.

As long as you have direct control over your goal, you have   【9】__  much higher chance of success. And it’s easier to start again 【10】  you fail, because you know exactly what you need to do.