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[Sentence Correction]
试题详情
题目：
Positing an enormous volcanic explosion at the end of the Permian period would explain the presence of a buried crater, account for the presence of the element iridium (originating deep within the earth), and the presence of quartz having been shattered by high-impact shock waves.
选项:
A、account for the presence of the element iridium (originating deep within the earth), and the presence of quartz having been
B、of the element iridium (originating deep within the earth), and of quartz
C、the element iridium (originating deep within the earth), and explain the presence of quartz having been
D、the presence of the element iridium (originating deep within the earth), and explain the presence of quartz
E、explain the element iridium (originating deep within the earth), and the presence of quartz
答案:
B
提问：
求老师解答一下，B选项直接加of是什么意思。我错选了A，因为感觉也挺对称的
解答：
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阅读629
提问：
求老师解答一下，B选项直接加of是什么意思。我错选了A，因为感觉也挺对称的
解答：
点赞1
阅读630
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