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

游客2024-01-05  4

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
转载请注明原文地址:https://tihaiku.com/zcyy/3334939.html
最新回复(0)