海地取得独立的那一年,欧洲大陆发生什么大的历史事件?()
A.英国工业革命开始
B.拿破仑加冕称帝
C.欧洲1848年革命爆发
D.拿破仑发动“雾月 * * ”
参考答案:B
噪声等价量子数是()
A.NEQ
B.DQE
C.RMS
D.ROC
E.SNR
—I hear _______ students in your class like hiking on weekends.
—Yes, you are right. Exercise is good for us.[ ]
A. quite a bit
B. a quite bit
C. a few quite
D. quite a few