-I am much obliged to you for your help. -___________.
A. It's my pleasure
B. The same to you
C. It's quite serious
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-Mountain cycling is so demanding that I am afraid I can not do it. -________________.
A. Come on! Don't be afraid
B. Mind your steps.
C. Go ahead
礼仪的本质是（ ）。
A. 尊敬
B. 模仿
C. 教育
D. 尊重
礼仪的十原则？
A. 遵守
B. 自律
C. 敬人
D. 宽容
E. 平等
F. 从俗
G. 真诚
H. 适度
I. 沟通
J. 互助
礼仪的作用
A. 内强素质
B. 外塑形象
C. 增进交往
D. 加强联系
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