国庆节期间，洛阳的王先生一家准备到桂林去旅游。最适合王先生携带的信用工具是 A.现金B.外汇C.信用卡D.支票 【分析】本题以外出旅游为背景材料对知识进行考查。解答时注意关键词“旅游”“最适合”“信用工具”。通过分析可知是对信用工具的考查。信用卡、支票等，是经济往来结算中经常使用的工具。信用卡可以集存款、取款、借款、消费、结算、查询为一体，能减少现金的使用，简化收款手续，方便购物消费，给持卡人带来诸多便利。解：A.现金不方便携带而且也不属于信用工具，故A选项错误；B.外汇是用外币表示的用于国际间结算.
英语作文投诉信 Dear Manager，I bought a cellphone SQ200 from the The First Department Store several days ago and found that I can't take pictures and send or receice messanges because of the malfunction of the phone.Would you please check the cellphone and replace a new one for me or refund the payment.I hope you could deal with it as soon as possible.Your prompt will be highly appreciated.Best wishes，Wang Hua
