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题目内容
（郑州工程技术学院-大学英语（2）.）
13.
Short-term memories are those which are _____ only for a few minutes.
(A) retained
(B) gained
(C) obtained
(D) acquired
Short-term memories are those which are _____ only for a few minutes.
(A) retained
(B) gained
(C) obtained
(D) acquired
参考答案
