NASA has made a that our earth has no threat associated with the film 2012 which is based

发布时间：2020-08-16 17:44:11

NASA has made a      that our earth has no threat associated with the film 2012 which is based on pure myths.
A. clarification
B. classification
C. identification
D. presentation

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(答案→)A. clarification
B. classification
C. identification
D. presentation
解析： 考查名词辨析。clarification澄清，classification分类，identification辨别身份，presentation呈现，根据语境是NASA已经澄清了我们的地球没有威胁，所以选A。
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