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The word "it" in line 3 refers to According to the passage, it is believed that the largest extinction of a species occurred
The word "it" in line 3 refers to According to the passage, it is believed that the largest extinction of a species occurred
admin
2004-12-30
50
问题
The word "it" in line 3 refers to
According to the passage, it is believed that the largest extinction of a species occurred
选项
A、26 million years ago
B、65 million years ago
C、225 million years ago
D、250 million years ago
答案
C
解析
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