2. 外语
  3. A、Helping scientists conduct further research on various sea worms. B、Helping scientists better understand the life from that an

A、Helping scientists conduct further research on various sea worms. B、Helping scientists better understand the life from that an

admin2021-08-23  28
问题
选项 A、Helping scientists conduct further research on various sea worms.
B、Helping scientists better understand the life from that ancient period.
C、Helping scientists make a detailed drawing of the ancient worm.
D、Helping scientists better study the sea worms of today.
答案B
解析
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大学英语四级

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