单项选择题 “没有成功，人生便黯淡无光；没有自信，人们便失去成功的可能；失去自信，就像一把潮湿的火柴，永远点不然成功的火焰。”既然自信如此重要，那么我们应该（）

单项选择题 下列有关中国外交表述错误的一项是（）

单项选择题 Please compare Letter A with Letter B, and comment on both of them. Then, revise your favorite one for effectiveness. Add any information if necessary. Letter A Dear Mr Hope Further to your order of 12 July 2019, we have today dispatched to you some soft cotton materials to the value of USD $ 50000 . We present our Bill of Exchange, drawn on you for this sum at 3 months from today’s date, for acceptance and return. We hope your business goes well. Yours sincerely Sara Smiths (Ms) Letter B Dear Mr Hope Thank you for your order of 12 July 2019. We have today dispatched to you 2000 rolls of cotton materials to the value of USD $ 50, 000 . We enclose our Bill of Exchange, drawn on you for this sum at 3 months from today’s date, for your acceptance and return to us. May we take this opportunity of wishing you every success in your new business. Yours sincerely Sara Smiths (Ms)