题目内容：
Passage 1In the USA, there are many types of restaurants. Fast food restaurants（第1题线索） are very famous. You can find McDonald.s （第5题线索）and Kentucky Fried Chicken in many countries around the world. You look at a menu above the counter, and say what you.d like to eat. You pay the person who serves you. You take your food and sit down or take it away. There.s no need to leave a tip.
In a coffee shop（第1题线索） you sit at the counter or at a table（第2题线索）. You don.t wait for the waitress to show you where to sit. She usually brings you coffee when you sit down. You tell her what you.d like to eat and she brings it to you. You pay the cashier as you leave.
In a family restaurant（第1题线索） the atmosphere is casual, but the waitress shows you where to sit. Often the waitress tells you her name, but you don.t need to tell her yours（第3题线索）. If you don.t eat everything, your waitress gives you a doggy bag to take your food home. You add an extra fifteen percent to the bill as a tip.
In top class restaurants（第1题线索）, you need a reservation and you need to arrive on time. The waiter shows you where to sit. If you have wine, he may ask you to taste it. You can only refuse it if it tastes bad, not if you don.t like it. When you get your bill, check it and then add fifteen to twenty percent to it as a tip for the waiter.（第4题线索）
1）、There are three types of restaurants mentioned here. Four
A.T
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