现场审核抽样的原则是()
A.公正性
B.随机性
C.代表性
D.以上都是
参考答案:D
魏源在《海国图志》中系统阐述了哪一思想 [ ]
A、“师夷长技以制夷”
B、“师夷长技以自强”
C、“驱除鞑虏,恢复中华,创立合众政府”
D、兴民权,设议院,实行君主立宪
Tom’s farther, for ________life had once been very hard, got success later in his job.
A.which
B.whose
C.whom
D.who