达尔文的生物进化论（）
A.沉重打击了基督教神学
B.否定了猿猴变人的结论
C.伤害了人类的尊严
D.主观上为帝国主义侵略提供依据
参考答案：A
采样定理要求采样采样频率至少大于信号频谱中最高频率成分fC.的（）以上，就可以不丢失原信号中所含的信息。
A.1
B.2
C.3
D.4
－What do you think made Jane’s parents so disappointed?
－____________.
A．She refused to live with them
B．Her refusing to live with them
C．Because she refused to live with them
D．Since she refused to live with them
