Thomas Eakins' powerful style and his choices of subject—the advances in modern surgery, the discipline of sport, the strains of individuals in tension with society or even with themselves—was as disturbing to his own time as it is compelling for ours.
was as disturbing to his own time as it is
were as disturbing to his own time as they are
has been as disturbing in his own time as they are
had been as disturbing in his own time as it was
have been as disturbing in his own time as
过去与现在的比较:一般过去式VS一般现在时
E:现在完成时包含了现在
省略:省与不省略都正确,无需纠结,考点在于时态
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