把一个整圆剪成一个半圆，半圆的周长是原来整圆周长的百分之几？（百分号前保留一位小数）
（πr+2r）÷（2πr）=（3.14+2）÷6.28≈81.8%
广东农信社人民币个人结算账户（有折）开户，账户开出后，发现相关信息如地址、证件号码等录入错误，可操作以下哪些交易进行账户或客户信息的维护（）
A."[060465]按客户号或证件查询/修改"
B."[007050]修改账户信息提示"
C."[000500]补换发存折"
D."[062001]个人客户基本信息创建"
E."[062000]开户入口"
Questions 16 to 20 are based on the following talk.
A. Even strangers to England have a clear vision about a traditional British breakfast. B. A traditional British breakfast is not nourishing and so is added with more protein. C. The traditional British breakfast at a greasy caré is less than 50% the atmosphere. D. The traditional British breakfast is getting more popular in London.
