哪个学者认为亚里士多德的物体由其本性推动的论断不可接受（）
A、牛顿
B、哥白尼
C、阿维森纳
D、伽利略
参考答案：C
The number of people invited _____ fifty, but a number of them _____ absent for different reasons. [ ]
A. were; was
B. was; was
C. was; were
D. were; were
“独立之精神，自由之思想”这句话的出处是哪里？
