第二节

1、短文改错

按下列情况改正所给短文中的错误，多一个词：把多余的词用斜线划掉；缺一词：在缺词处加一个漏字符号（∧），写出该加的词；错一个词：在错的词下面划一横线，写出改正后的词；文中共有十处错误。

Dear Mr. Brown ,

I am writing to thank you with your kind help . Before you came to teach us ,I had not interest in English .My pronunciation was terribly .I could only speak a few words .But one and a half year later , I now think English fun to learn .I got a lot from your encouraging words.I will always remembered what you said ,“If you try to ,you can be No 1 !”I hope you`ve had pleasant journey home and will come to china again sometimes in the future .I will write again and send you the photos we take together .

建设银行甲市分行某办事处李某与同学刘某密谋，盗用该行已公告作废的业务印签和银行现行票据格式凭证，于2004年12月签署了金额为80万元的银行承兑汇票1张。汇票上记载的出票的付款人及承兑人均为该办事处，收款人为刘某所开办的沙发厂。刘某找到某电力公司请求其在票据上签署了保证。之后，刘某持票向某农村信用合作银行申请贴现，得到贴现款77万元。汇票到期，某农村信用合作银行向该办事处提示付款，遭拒绝。问：请结合案例回答下列问题。

本案有哪些票据行为？并说明其效力。