问题
选择题
New technology __________ to stop the students from cheating in the exam last year.
A. used B. is used C. was used
答案
答案：C
题目分析: 句意：去年新的技术被应用于防止学生考试作弊。last year去年，一般过去时，技术被应用，被动语态，故选C.
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