根据汽车运输企业车辆维护制度的有关规定,对封存时间超过两个月的车辆,启封恢复行驶前,应进行一次()。
A.修理作业
B.维护作业
C.全面检查作业
D.试运行作业
参考答案:B
Why does the author mention fresh coffee in Paragraph 2
A.As an example of complex substances having not been duplicated satisfactorily.
B.Because the coffee fragrance is hard to produce.
C.To conclude the passage.
D.The smell of fresh coffee is inviting.
春秋战国时期,主持修建“芍陂”的是( ),推行“胡服骑射”的是( )。
A.王景,齐桓公
B.马融,楚悼王
C.孙叔敖,赵武灵王
D.子驷,宋襄公