旧中国近代警察的历史，是军、警、特结合在一起， * * 革命、迫害人民的历史．( )
参考答案：对
下列历史现象中，体现明清时期社会发展趋势的是 [ ]
A．李自成提出“均田免粮”
B．建州女真进入辽沈地区
C．机户出资，机工出力
D．白银成为普遍流通的货币
He _____ his work with animals.
A．is famous as
B．is famous for
C．is well known as
D．is well known to
