顾客定制适用于()。
A.探索型产品
B.经验型产品
C.信赖型产品
D.标准化产品
参考答案:C
()除锈方法劳动强度大,生产效率低,清除质量差,一般难于全面彻底地清除。
A、人工除锈
B、喷砂
C、工具除锈
D、风动工具
I was really anxious about you. You _______ home without a word next time. [ ]
A. mustn't leave
B. shouldn't have left
C. couldn't have left
D. needn't leave