单项选择题
A. Awards vary in monetary value. B. Ceremonies are held on December 10 to commemorate Nobel’s inventions. C. Politics can play an important role in selecting the winners. D. A few individuals have won two awards.
A.bus B.car C.bike D.boat
A. Sultry weather. B. Cigarettes thrown out of car windows. C. Pine forests. D. Windstorm.