A-A+
Now a paper in Science argues that organic che
问题详情
Now a paper in Science argues that organic chemicals in the rock come mostly from ______ on earth rather than bacteria on Mars.
A.configuration
B.constitution
C.condemnation
D.contamination请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案: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”。