四級考試選詞填空練習題原文：

　　A teacher who continually draws attention to rewards or who hands our high grades for__8__ achievement ends uPwith uninspired students, Eisenberger holds. As an example ofthe latter point, he notes growing efforts at major universities to tighten grading standards and__9__ failing grades.

　　In early grades, the use of so-called token economies, in which students handlechallenging problems and receive performance-based points to ward valued rewards, shows__10__ in raising efforts and creativity, the Delaware psychologist claims.

　　四級考試選詞填空練習題選項：

　　A)mental

　　B)promise

　　C)kill

　　D)avoid

　　E)hope

　　F)especially

　　G)aid

　　H)ordinary

　　I)approval

　　J)monetary

　　K)generally

　　L)improve

　　M)challenging

　　N)restore

　　O)excellent

　　四級考試選詞填空練習題答案：

　　1. L

　　2. I

　　3. F

　　4. J

　　5. G

　　6. M

　　7. C

　　8. H

　　9. N

　　10. B

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