公共课考研英语英语考研英语模拟试题[4]Simulated Test
题目内容

Which of the following have been used to anticipate earthquake activity、

2024-07-12

A.differences in the earth′s magnetic field and force of gravity

B.how often minor earth tremors have been observed

C.patterns in the movement of the earth′s crust

D.all of the above

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