269. His book on the history of science is admittedly conventional, perhaps even ______ ; nevertheless, it is ______ work that covers a formidable amount of ground.
A. anachronistic, a superficial
B. inscrutable, an exhaustive
C. vacuous, a contentious
D. audacious, a limited
E. pedestrian, an edifying

270. The executive was faulted for acting ______ , for implementing sweeping changes without fully considering what the consequences might be.
A. incompatibly
B. remorsefully
C. disingenuously
D. precipitately
E. belligerently

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