Question
18 to 20 are based on this passage
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Question 18
The example of the sandcastle (in the second paragraph) serves to
A. invalidate Shoemaker’s initial observation
B. offer an alternative hypothesis for an observed phenomenon
C. describe a condition in which the typical laws of the universe do not obtain
D. provide support for the rubble-pile hypothesis
E. present as instance in which gravity has little effect
我的答案： 无