营业前应检查人员着装仪表,放好(),做到仪容仪表清洁整齐。
A、手机
B、钥匙
C、钱包
D、个人财物
参考答案:D
awake ,he finished a cup of coffee and ordered another. [ ]
A. Staying
B. Stayed
C. To stay
D. Having stayed
带斜向叶片的锅炉配风器使供风与油雾()。
A.同向旋转
B.反向旋转
C.供风转油雾不转
D.与C相反