单项选择题

While the causes of the Cretaceous-Tertiary extinction have received the most attention, Alvarez’s paper points out work on the other major mass extinctions that may also be（）for the tragedy.

A．answerable
B．indefensible
C．pitiable
D．reprehensible
E．avoidable

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单项选择题
Ancient people felt much（）concerning the notion that the appearance of comets was inauspicious, but nevertheless exhibited（）concerning the proper reaction to the phenomenon.

A．conviction ； apprehension
B．apathy ； ignorance
C．disparity ； discord
D．consensus ； disagreement
E．suspicion ；hesitancy
单项选择题
Griffith’s early output was remarkably（）: it included not only the standard comedies, melodramas, westerns, and thrillers, but also such novelties as adaptations from Browning and Tennyson, and treatments of social issues.

A．controversial
B．original
C．eclectic
D．inventive
E．impulsive
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