《特种设备专业人员监督管理办法》中规定：持证人员应当在复审期届满 30 天前，向发证部门提出复审申请》
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TheeffectofDarwinistideaof“survivalofthefittest”wasshatteringin()’sfictionalworldofjungle,where“killortobekilled”wasthelaw.
Washingthefooddownwithwaterasasubstitute________chewingisnotagoodhabit
AustralianAboriginesbelievedinacreativeperiod,usuallyreferredtoinEnglishas________.
Moderneconomics________thecountry’sagriculturalpolicies.
WhichofthefollowingisNOToneofthecharacteristicsofidioms?
