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题库 / Prep2007E2-SC-72
Several educational research groups are denouncing the mayor's proposal of a system by which individual teachers would be given raises or bonuses should it be that test scores show their students' mastery of reading skills having improved over a nine-month period.
should it be that test scores show their students' mastery of reading skills having
should it be that test scores show their students' mastery of reading skills have
should test scores showing their students' mastery of reading skills has
if test scores showing their students' mastery of reading skills having
if test scores show that their students' mastery of reading skills has
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原句句子结构：Several educational research groups are denouncing the mayor's proposal of a system…
原句逻辑语义：一些教育研究团体谴责市长的提议，市长提议的这个系统规定个别教师将获得加薪或奖金，取决于学生在学习掌握阅读技巧九个月之后的考试成绩分数。
A. should it be that结构错误，应为：should test scores show that…；that后面接的从句没有谓语动词。
B. should it be that结构错误；that后面接的从句主语为mastery，因此谓语应为单数has。
C. should位于句首引起虚拟语气下的条件状语从句，要是完整的句子，该句的showing应为show。
D. if条件状语从句没有谓语，showing应改成show。
E.正确。
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