Here are some American classroom customs:

     If the teacher asks a question, you are expected to give an answer. If you do not understand the question, you should put up your hand and ask the teacher to repeat the question. If you do not know the answer, it is all right to tell the teacher that you do not know. Then he or she knows what you need to learn.

     There is no excuse for not doing your homework. If you are absent (缺席), you should ear your teacher or someone who is in your class and ask for the assignment(作业). It is your responsibility (责任) to find out what assignments you have missed. It is not the teacher's responsibility to remind you of missed assignments.

      You must not be absent on a test day. If you are seriously ill, call and let the teacher, know you will not he there for the test. If your teacher allows make - up tests, you should take the test within one or two days after returning to class. Serious illness is the only reason for missing a test.

      Be on time! It is considered(认为) rude to be late. Also, it disturbs other students. If you must come in late, be sure to do it quietly. Have your books and papers out of your bag before you come into the room. Then go to your seat and sit quietly. In the U. S. it is not necessary to knock before you enter the classroom. If you must leave during class, do so quietly. There is no need to ask the teacher's per-mission. Entering a teacher's office or any office with a closed door without knocking fast is not accept-able. Knock first, then wait to he invited in.

      Wearing a hat in class is considered impolite by many teachers. Some teachers may ignore it, but you should ask permission first.

1. What should a student do if he or she doesn't understand the teacher' s question?

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2. If a student misses a class, how can he or she find out the assignment?

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3. What is the only reason for missing a test?

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4. Is it necessary for a student to knock before he or she enters the classroom ?

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5. What about wearing a hat in class?

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　　It must have been about two o’clock in the morning when Peter returned home. He tried to wake up his wife by ringing the doorbell, but she didn’t hear it, so he got a ladder（梯子）from the garden, put it against the wall, and began climbing towards the bedroom window. He was almost there when a voice below said,“I don’t think the windows need cleaning at this time of the night.”

　　Peter looked down and almost fell off the ladder when he saw a policeman. He regretted（后悔）his doing that, but he said,“I enjoy cleaning windows at night.”

　　“Excuse me, sir,”answered the policeman.“I hate to interrupt（打断）a man when he’s busy working. But would you mind coming with me to the police station?”

　　“Well, I’ d like to stay here,”he said.“You see, I’ve forgotten my key.”“Your what?”called the policeman.

　　“My Key!”Peter shouted.

根据短文内容判断正（T）误（F）

David hated spending money. When he had to buy something in a shop, he always tried his best to knock down the price, even for the cheapest things. If he wanted to buy a bottle of orange, for example, and the shopkeeper asked for $2, David would say, “Make it $1.90 and I’ll buy it.” Sometimes the shopkeepers agreed to reduce their prices a little. “What’s ten cents?” they asked themselves. “If it makes this man happy, it won’t hurt me very much.” In this way David saved a few cents here and a few cents there, and by the end of the year he had saved several hundred dollars.
One day he had a very bad toothache and had to go to the dentist. The dentist looked at the tooth and said, “This tooth will have to come out. It’s too serious to save.” “How much must I pay you to take out a tooth?” David asked. “Forty dollars,” the dentist said. “How long will it take you to pull out the tooth?” he asked. “About two minutes,” the dentist answered. “Forty dollars for two minutes’ work!” he shouted, “That’s robbery (抢劫).” The dentist smiled. “You’re right,” she said. “Thank you for telling me. I’ll pull your tooth out very slowly. How about if I take half an hour?”
【小题1】In the passage the underlined word “reduce” means “____________”

David hated spending money. When he had to buy something in a shop, he always tried his best to knock down the price, even for the cheapest things. If he wanted to buy a bottle of orange, for example, and the shopkeeper asked for $2, David would say, “Make it $1.90 and I’ll buy it.” Sometimes the shopkeepers agreed to reduce their prices a little. “What’s ten cents?” they asked themselves. “If it makes this man happy, it won’t hurt me very much.” In this way David saved a few cents here and a few cents there, and by the end of the year he had saved several hundred dollars.

One day he had a very bad toothache and had to go to the dentist. The dentist looked at the tooth and said, “This tooth will have to come out. It’s too serious to save.” “How much must I pay you to take out a tooth?” David asked. “Forty dollars,” the dentist said. “How long will it take you to pull out the tooth?” he asked. “About two minutes,” the dentist answered. “Forty dollars for two minutes’ work!” he shouted, “That’s robbery (抢劫).” The dentist smiled. “You’re right,” she said. “Thank you for telling me. I’ll pull your tooth out very slowly. How about if I take half an hour?”

1.In the passage the underlined word “reduce” means “____________”

2.Why must David’s tooth be pulled out?

3.After the dentist answered David’s question, he became very _________.

4.David thought that two minutes was ____________.

5.What kind of person do you think David was?