【单选题】The poor boy couldn't work the problem out. He wasn't ____ clever.
【判断题】( )189. “成型法”加工锥面比“逼近法”加工锥面具有加工效率高、表面粗糙度好的特点。
【单选题】Now that their parents are dead, the poor boy doesn't know ______ the money they left. [ ]
【判断题】“成型法”加工锥面比“逼近法”加工锥面具有加工效率高、表面粗糙度好的特点
【单选题】某企业的资产包括:货币资金20万元,交易性金融资产5万元,应收票据8万元,一年内到期的非流动资产2万元,存货3万元,持有至到期投资5万元,流动负债为20万元,则企业的速动比率为( )。
【单选题】The poor boy chose to drop out of school to ease the financial burden of his family.
【单选题】The boy couldn't make himself ______because of his poor English.
【判断题】表面粗糙度对耐磨性影响的特点是:粗糙度值越小,耐磨性越好。
【判断题】( )47.“ 成型法”加工锥面比“逼近法”加工锥面具有加工效率高、表面粗糙度好的特点。