451. As health care and nutrition continue to improve, Americans on average are enjoying increased ______ , living to a more advanced age than ever before.
A. equanimity
B. proximity
C. veracity
D. longevity
E. ubiquity

452. The speaker ______ frequently, but these tangents were the most entertaining parts of the presentation.
A. deliberated
B. gestured
C. exclaimed
D. paused
E. digressed

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