会计部负责提供符合自助设备使用标准的()的清点及上缴工作
A.流水纸
B.现金
C.入库款
D.银行卡
参考答案:B, C
—How did you ____ your vacation?
—We went to visit my grandparents. [ ]
A. buy
B. spend
C. stop
D. stay
焊件厚度较薄时,宜选用较粗的电焊条。