随着经济的发展，转账结算在人们的消费中越来越重要。网银，支付宝等工具成为转账消费的重要媒介。相比现金结算，这种非现金结算方式更加便捷。下列对非现金结算方式表述正确的是（    ）

①办理活期储蓄的个人到银行开立支票存款账户──储户在储蓄金额范围内签发支票──银行在有效期内付款给持票人

②携带有效证件到银行办理信用卡(可透支)──银行直接发卡给申办者──持卡人在银行指定场所消费

③网上注册支付宝，绑定网银──网上下单付款至支付宝──确认收货后支付宝转入卖家账户

④办理外汇账户──将人民币兑换成外汇存入账户──境外使用外汇账户消费

     May 10th is Meg’s birthday. She gets a gift from her sister. It is a new coat .The coat is very beautiful and she feels very happy.

     One day, Meg finds that a button(纽 扣) of her coat is lost. She looks for the button everywhere, but she can’t find it. The next day, she doesn’t wear that coat to school and feels sad all day. After school, she goes to the clothes shops and wants to buy that kind of clothes. But she doesn’t find it. She feels very disappointed.

     Meg tells her sister about that, and her sister says, “We can change all the buttons. Then the buttons will be the same.” The coat is beau  tiful again and Meg feels happy again.

看拼音，写汉字。

tī  qiú           shǒu  qiāng         shāo  shuǐ

____      ____           ____

guǐ  zi           xí  guàn            dǎ  gǔn

____      ____          ____

除去下列物质中的少量杂质，所选用的试剂和方法均正确的是（    ）