下面列出了安全电子交易SET达到的主要目标，但其中有一个是错误的，它是 ( )。
A．信息在公共Internet网络上以安全E-mail方式传输，保证数据不被黑客窃取
B．订单信息和个人账号信息隔离。在将包括持卡人账号信息在内的订单送到商家时，商家只能够看到订货信息，而不能看到持卡人的账号信息
C．持卡人和商家相互认证，以确保交易各方的真实身份
D．软件遵循相同的协议和消息格式
参考答案：A
解析： 安全电子交易SET要达到的最主要目标是：
(1) 信息在公共因特网上安全传输，保证网上传输的数据不被黑客窃取。
(2) 订单信息和个人账号信息隔离。
(3) 持卡人和商家相互认证，以确保交易各方的真实身份。
(4) 要求软件遵循相同协议和消息格式。
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| Sometimes you may not understand your parents. One minute they're friendly, the next minute they're shouting and screaming loudly enough for the whole street to hear. So who makes them so 1 ? You, probably! Is your room untidy? Do you leave things on the floor? You may find it hard enough to keep one room tidy. So imagine what it's like for your mum and dad trying to keep a whole house in order. When you take your clothes off, remember to 2 . Get into the habit of taking glasses and plates down to the kitchen. Before long you'll be doing it without thinking. Even though you may not realize it, you have bought you many cloihes. But they're not buying themselves new things every week, are they? The simple truth is that there are more 3 things to spend money on, like the electricity bill and food. You may hate missing a party to visit some boring old relatives. They may go on and on about what a sweet baby you were. You have no choice but to listen. Even if you 4 , your parents won't change their minds. Parents like to show off their family. The best thing you can do is to help entertain your relatives. Your parents will be so pleased with you afterwards that they'd probably allow you to go to the next two 5 . You might not want to eat, but think of it from the parents' point of view. If you cook two meals a day, it means 730 meals a year. Can you imagine how boring this can get? Imagine how your parents feel when you say you're not really hungry. 6 , your parents are probably worried that you aren't eating enough. Eat fewer snacks and leave room for your meals. Finally, offer to 7 after the meal. Your offer may not be accepted , but your parents will be pleased. | |||
| ( )1. A. friendly ( )2. A. hang them up ( )3. A. interesting ( )4. A. agree ( )5. A. concerts ( )6. A. In addition ( )7. A. do the cooking | B. lonely B. leave them alone B. difficult B. complain B. meetings B. In return B. lay the table | C. changeable C. put them on C. important C. listen C. classes C. At most C. buy some snacks | D. comfortable D. throw them away D. surprising D. win D. parties D. At last D. wash the dishes |