批判学派引起的学界革命的直接策源地是在()
A.美国
B.德国
C.英国
D.加拿大
参考答案:C
David is a boss _____ his workers find hard to _____. [ ]
A. whose; please
B. that; be pleased
C. who; be pleasing
D. whom; please
MPEG-1 Audio的质量相当于()质量。
A.激光唱盘(CD-Audio)的声音
B.调幅(Amplitude Modulation,AM)广播的声音
C.调频(Frequency Modulation,FM)广播的声音
D.近似激光唱盘(Near-CD-Audio)的声音