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455. Using fiber optics to deliver information initially seemed a ______ field of research, hard to understand by nonspecialists.
A. substantive
B. fallacious
C. recondite
D. pragmatic
E. hackneyed
456. Due to the ______ of architect Benjamin Banneker, the remarkable street plan for Washington D.C., that had nearly been abandoned was ______ and carried out.
A. artistry, rejected
B. persistence, revived
C. pessimism, originated
D. cautiousness, postponed
E. foresight, ignored
