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三十七. Protecting Your Teeth
George Washington had many great successes in his life, but he didn't succeed in keeping his own teeth! Back then, many people lost their teeth. But modern people know how to protect their teeth.
The most important thing is to brush your teeth. By keeping the teeth clean you will not have a toothache or other tooth diseases.
One other important thing is to eat right. For example, milk and cheese give teeth calcium(钙), which they need to be strong. Fruits and vegetables also help by providing VA and VD. On the other hand, sweet food is bad for teeth.
So brush your teeth and eat right. They are the basic things you should do to protect your teeth. If you do the things, you'll be able to have good teeth for your whole life. That’s one success that even George Washington didn't have!
【汉语翻译】
保护牙齿
乔治·华盛顿在他的一生中取得很多成功(success)，但他却没有成功(succeed)保养好自己的牙齿！那时很多人的牙齿都脱落了。但现代人知道如何保护(protect)牙齿。
最重要的事是刷牙。让牙齿保持清洁，你就不会害牙疼(toothache)或得其他牙病。
另一件重要的事是正确饮食。例如，牛奶和奶酪(cheese)可以提供钙，牙齿要坚硬需要钙。水果和蔬菜(vegetable)提供的维A和维D也对牙齿有帮助。另一方面，甜的(sweet)食物对牙齿有害。
因此，要刷牙、正确饮食。要保护牙齿，这些是你应做的基本的(basic)事情。如果你这样做，你的一生(your whole life)都会拥有好牙齿，那可是乔治·华盛顿都没有获得的成功哦！?
三十八. American classroom Rules (1)
If the teacher asks a question, you should give an answer. If you do not understand the question, you should raise 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 the teacher knows what you need to learn.
There is no excuse for not doing your homework. If you are absent, you should call your teacher or someone who is in your class and ask for the homework. It is your duty to find out what homework you have missed. It is not the teacher's duty to tell you the missing homework.
You must not be absent on a test day. Serious illness is the only reason for missing a test.
Be on time! It is considered not polite to be late. Also, it disturbs other classmates. If you must come in late, be sure to do it quietly. In the U. S it is not necessary to knock before you enter the classroom. Most of the teachers will give you a low grade if you are often late.
【汉语翻译】
美国课堂行为守则(1)
如果老师(teacher)提问题，你应该回答。如果你不明白问题，你应该举手(raise your hand)让老师重复问题。如果你不知道答案，可以告诉老师你不知道。老师会知道你需要学习什么。
不可以找借口(excuse)不做家庭作业(homework)。如果缺席了(absent)，就应该给老师或听课的同学打电话，问作业。查明(find out)缺课时的作业是你的责任(duty)．老师没有责任要提醒你作业。
考试那天你不能缺席。患重病是唯一可以缺考的理由。
要准时(on time)!迟到被认为是不礼貌的。而且，这也会打扰其他同学。如果你不得不迟到，一定要安静地(quietly)进教室(enter the classroom)．在美国，进入教室前不必敲门。如果你经常迟到，多数老师会给你低分(a low grade)。?
American Classroom Rules (2)
Have your textbook out and be ready to begin when the class starts. Be sure you have a paper and a pencil ready.
In America, you should call your teacher by his or her last name, not“teacher”. Also you should use Mr., Miss, Ms. or Mrs. before the last name (such as Mrs. Smith or Mr. Jones). This is considered polite.
Be polite to other students. If another student is answering a question or giving a report, you should listen quietly and give them your attention.
It is considered impolite in the U.S. to eat, drink or chew gum(嚼口香糖) during class. Also, taking off one's shoes in the classroom is not polite.
If you must leave during class, do so quietly. There is no need to tell the teacher.
However, leaving the class for something instead of an emergency (紧急情况) is not accepted.
Copying another student's test or paper is never accepted. It is called cheating.
At most schools in the U. S , students who cheat will be dismissed.
【汉语翻译】
美国课堂行为守则(2)
课前要拿出课本(textbook)为开始上课做好准备(be ready)．你一定要准备好纸张和铅笔(pencil)。
在美国，你应该用姓氏称呼老师，而不是直接称呼“老师”。你要在姓前使用先生、小姐、女士或夫人（如史密斯夫人或琼斯先生）。这样做是有礼貌的。
对其他学生要有礼貌。如果其他学生在回答问题或做报告(report)，你应该安静地听，把注意力集中到他们身上。
在美国，在上课期间(during class)吃东西、喝饮料或嚼口香糖是不礼貌的。在教室脱鞋(take off )也是不礼貌的。
如果上课时你必须要离开，一定要安静。没有必要告诉老师，然而，因非紧急事件离开教室是不能接受(accept)的。
决不允许抄袭(copy)其他学生的试卷或论文，这被称为“作弊(cheating)”，在大部分美国学校，作弊的学生会被开除。?
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