题海让大学四年没有难题
白天模式登陆

题目详情

单选题 Now a paper in Science argues that organic chemicals in the rock come mostly from ________ on earth rather than bacteria on Mars

A. A configuration

B. B constitution

C. C condemnation

D. D contamination

英语精读(2)课程封面

学科:英语精读(2)

时间:2024-06-16 03:12:37

Copyright © 2022 津ICP备2021001502号