SAT阅读完成句子习题的内容

　　Sat Sentence Completion Test 2

　　1. Unwilling to admit that they had been in error, the researchers tried to ____ their case with more data obtained from dubious sources.

　　A. ascertain

　　B. buttress

　　C. refute

　　D. absolve

　　E. dispute

　　2. Archaeology is a poor profession; only ____ sums are available for excavating sites and even more ____ amounts for preserving the excavations.

　　A. paltry - meager

　　B. miniscule - substantial

　　C. average - augmented

　　D. judicious - penurious

　　E. modest - generous

　　3. The student was extremely foolhardy; he had the ____ to question the senior professors judgment.

　　A. wisdom

　　B. temerity

　　C. interest

　　D. trepidation

　　E. condescension

　　4. The formerly ____ waters of the lake have been polluted so that the fish are no longer visible from the surface.

　　A. muddy

　　B. tranquil

　　C. stagnant

　　D. pellucid