2. 职称英语
  3. What does the passage mainly discuss? [br] The "white chalk cliffs of Dover" a

What does the passage mainly discuss? [br] The "white chalk cliffs of Dover" a

游客2025-02-09  43
问题  What does the passage mainly discuss? [br]  The "white chalk cliffs of Dover" are mentioned in line 14 of the passage to
选项 A、show where the plankton sediment first began to build up
B、provide an example of a plankton buildup that scientists cannot explain
C、provide an example of the buildup of plankton sediment
D、indicate the largest single plankton buildup on Earth
答案 C
解析
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