2. 职称英语
  3. A、Helping scientists conduct further research on various sea worms.B、Helping sc

A、Helping scientists conduct further research on various sea worms.B、Helping sc

游客2023-06-20  9
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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