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A．202.280.130.45B．130.192.290.45C．192.202.130.45D．280.192.22.45
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“人的基本需要层次论”是（）
Password is a(n)(71)series of characters that enables a user(72)a file, computer or program. On multi - user systems,(73)user must enter his or her password(74)the computer will respond to commands. The password helps ensure that unauthorized users do not access the computer. In addition, data files and programs may require a password.
Ideally, the password should be something(75)could guess. In practice, most people choose a password that is easy to remember, such as their name or their initials. This is one reason it is relatively easy to break into most computer system.
听力原文： A lot of people don't like to give waiters extra money--a tip, but maybe those people don't understand a bout waitresses and waiters. You see, we get very low wages, most of the time less than the minimum wage. We count on the tips as part of our salary. If waiters and waitresses didn't get tips, they wouldn't get enough money to live.
People ask me, "What's a good tip？" I like to get 15% of the bill. So if a customer has to pay $ 20. 00 for her dinner, I like to get about $ 3.00 for a tip. Sometimes I expect 20% if I did a lot work for the customer. But do you know something？ Very often it's the person you work the most for who gives you the smallest tips.
Once I looked up "tipping" in a dictionary. It said that the letters in the word "tip" stand for "To Insure Promptness". No one knows if that is the real meaning of "tip", but it makes sense to me. If we know a regular customer is a good tipper, then we make sure he gets good service. But if someone gives small tips, we aren't in a hurry to bring him food or get his drinks. So remember, be nice to your waitress and she'll be nice to you.
The main aim of the speaker is to ______.
推动护理人员对善恶的评价和选择是（）
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