Validity Study on Multiple-choice Question of National Matriculation English Test （ NMET ）

Based on the advanced theories of foreign experts and some specific examples of domestic testing paper and through the analysis of the advantages and disadvantages and washback effect of multiple-choice questions， the author concludes that the negative side of the multiple-choice question outweighs the positive side and it produces a extreme negative washback on English teaching and learning， and it is of low validity. Then some changes are suggested to be made NMET in future so as to better guide English teaching and learning， and it is of low validity. Then some changes are suggested to be made to NMET in future so as to better guide English teaching and testing for secondary school and foster students’ ability of applying English.