单项选择题

According to the instructions we received, we cannot accept photocopies, but needthe ____.

A) source
B) resources
C) origin
D) original
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单项选择题
Ellen used to be a shy, _________ girl, but now she is outgoing.
A. reserved
B. inner
C. confident
D. dependent
单项选择题
合理地甄选过程不包括以下哪个阶段()
A、筹备阶段
B、策划阶段
C、实施阶段
D、反馈阶段
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