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og 10 62
62. Geologists believethat the warning signs for a major earthquake may include sudden fluctuationsin local seismic activity, tilting and other deformations of the Earth's crust,changing the measured strain across a fault zone, and varying theelectrical properties of underground rocks.
(A) changing the measured strain across a fault zone and varying
(B) changing measurements of the strain across a fault zone, andvarying
(C) changing the strain as measuredacross a fault zone, and variations of
(D) changes in the measured strain across afault zone, and variationsin
(E) changes in measurements of the strainacross a fault zone, andvariations among
请大家帮我解释下这道题的平行结构?
谢啦! |
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