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Now a paper in Science argues that organic chemicals in the rock come mostly from ______ on earth rather than bacteria on Mars.
Now a paper in Science argues that organic chemicals in the rock come mostly from ______ on earth rather than bacteria on Mars.
admin
2013-09-28
64
问题
Now a paper in Science argues that organic chemicals in the rock come mostly from ______ on earth rather than bacteria on Mars.
选项
A、configuration
B、constitution
C、condemnation
D、contamination
答案
B
解析
形近名词词义辨析题。A.configuration“轮廓,结构”;B.constitution“宪法,体质,构造”;C.condemnation“谴责,定罪”;D.contamination“污染”。
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0
专业英语四级
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