【单选题】The underlined word 'modified' in Para I means ______.
【单选题】Knowledgeable as he is, the expert was unwilling to offer advice to ______ he thought was not qualified.
【单选题】丰田车系采用手工调取故障码时,将点火开关打开,不起动发动机,用专用跨接线跨接故障诊断座上的( )端子,仪表板上的故障指示灯即闪烁输出故障码。
【单选题】女友给异地男友买了一条牛仔裤,邮寄到后男友发现买小了,她问“你胖了吗?”他最恰当的回答是( )
【单选题】The phrase 'cut the mustard' in the second paragraph most probably means______.
【简答题】(零部件经济批量决策)某企业生产甲产品每年需用X零件8000件,该零件在企业中采用分批生产的方式。专门生产X零件的设备每日能生产60件,每日组装甲产品而耗用的X零件为20件,每批零件生产的准备成本为40元,每件X零件的年储存成本为6元。根据上述数据,可以计算出该零件年生产的经济批量为_ _件,最优批次为_ __批,最低年成本合计为__ _元。
【单选题】English is a course for anyone in university, ______ his or her major or previous educational qualifications are.
【单选题】液压泵是液压系统中的动力元件,它的作用是把()转化为液体的压力能。
【单选题】Lifelong learning is made a necessity by the ______.
A.
failure of schools to produce qualified students
B.
need for the workers to constantly renew their skills
C.
lack of preparation for work on the part of the students
D.
threat impending unemployment imposes on skilled workers