阅读理解。

In the US, people prefer waiting for a table to sitting with people they don't know. This means a hostess
may not seat a small group until a small table is available. even if a large one is. If you are sitting at a table with
people you don't know, it is impolite to light up a cigarette without asking if it will disturb them.
At American restaurants and coffee shops you are usually served tap water (自来水) before you order.
You may find the bread and butter is free, and if you order coffee, you may get a free refill.
Most cities and towns have no rules about opening and closing time for stores or restaurants, though they
usually do make rules for bars. Especially in large cities. stores may be open 24 hours a day.
Serving in restaurants is often large. too large for many people. If you can't finish your meal but would like
to enjoy the food later. ask your waitress or waiter for a' doggie bag'. It may have a picture of a dog on it, but
everybody knows you're taking the food for yourself.
Supper and dinner are both words for the evening meal. Some people have'Sunday dinner'. This is an
especially big noon meal.
Tips are not usually added to the check. They are not included in the price of the meal, either. A tip of about 15％ is expected and you should leave it On the table when you leave. In some restaurants, a check is brought
on a plate and you put your money there. Then the waiter or waitress brings you your change.

1. Which of the following statements is true?
A. American people like sitting with people they don't know.
B. A hostess always seats a small group at a large table.
C. American people never sit with people they don't know.
D. American people will not light a cigarette if the people who sit at the same table mind their smoking.
2. What is served before you order?
A. Bread.
B. Butter.
C. Coffee.
D. Cold water.
3. What do American people always do when servings are too for them?
A. They take the food home with a'doggie bag' for their dogs.
B. They leave the food on the table and go away.
C. They take the food home with a'doggie bag' and enjoy the food later.
D. They ask the waitress or waiter to keep the food for them.
4. What can you learn about 'tips' according to the passage?
A. Customers often add tips to their cheek.
B. The price of the meal usually includes the tip.
C. People are not expected to pay tips in addition.
D. Tips are supposed to be left on the table when customers leave.