289. The scientist ______ the value of an interdisciplinary approach to environmental studies, arguing such an approach was of ______ importance in promoting environmental literacy among students.
A. invoked, marginal
B. touted, paramount
C. ignored, unprecedented
D. disparaged, unparalleled
E. extolled, questionable

290. In retrospect, the presidency of Dwight Eisenhower is perceived as ______ period because it was relatively free of domestic turmoil.
A. a tranquil
B. an intractable
C. a dire
D. a convergent
E. a vanquished

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