Usually a meteorological observatory (气象台) _____ air quality in urban areas from one to five: excellent, fairly good, slightly polluted, poor, and dangerous.
The 2013 Nobel Prize in Physiology or Medicine was _____ jointly (共同地) to James E. Rothman, Randy W. Schekman and Thomas C. Südhof for their discoveries of a major transport system in our cells. A. awarded B. rewarded C. distributed D. contributed