油浸式消弧线圈绕组应清洁,无倾斜、位移,导线辐向无明显弹。
参考答案:对
中国古代官吏铨选的途径很多,有世袭、军功、荐举、郎选、恩荫和科举制度。盛行于秦汉至魏晋南北朝时期的主要是 ( )
A.世卿世禄制(世袭制)
B.荐举贤才,授以官职
C.世家大族, 门第取士
D.分科举士,考试选官
Nearly 200 people entered the area ______ to mine diamonds in 2000, and eventually had to be driven off by the police.
A.irregularly
B.illegally
C.imperfectly
D.unusually