1, don't call the teacher casually. The safest way for schools to address teachers is to use "professor". If you know the teacher's last name, you can also call him a professor, but don't call him Mr. Teacher, especially for female teachers, because they may care. Don't call the teacher by his first name unless the teacher tells the students to do so.

Don't mark the book casually. There are many assignments for studying in the United States, almost every course. Some teachers may tell you the progress and homework of each class at the beginning of this semester, and some teachers may tell you in class. If you know what textbooks to use when choosing a course, you can go to the bookstore first, but you should keep the receipt and ask the clerk if you can return the book, because the teacher may change the textbooks after class, and students may drop out after class if they think it is too simple, too difficult or too boring. At this time, you need to return the book. You can't return the used book, so don't write your name, underline or mark it at first.

Try to enter the classroom a few minutes earlier. If you are late, because there is only one door in the classroom, you should go in quietly and find a seat nearby. If the teacher looks at you, you can whisper "I'm sorry". Everything should be based on the principle of not disturbing others, but don't skip class because you are late. It's better to be late than absent from class. When introducing yourself, you should state your name clearly. Ask more questions, let the teacher feel that you have a sense of participation and know your existence. Don't be afraid that your English is poor and you won't speak, and don't be afraid that you won't ask if your opinion is wrong. It is better to ask mistakes than to keep making mistakes without opening your mouth. When you want to express your opinion, you can ask the teacher's permission in a questioning tone to show politeness.

Second, personal safety.

1. Don't hitchhike. Don't hitchhike when traveling in the United States, which is caused by the security situation in the United States. In America, cases of being robbed of money or humiliated by hitchhikers are common.

Don't take the subway at night The subway in new york is extremely messy, and it becomes a gathering place for triad members at night. Drug addicts, thieves, hooligans and drug dealers gathered here, and the whole atmosphere was chilling.

3. Dangerous environment: American campus culture is relatively open, and incidents such as alcoholism, drug abuse and rape are repeatedly prohibited. Students should pay attention to cultural differences when attending parties, and be prepared in advance to participate in various activities, and stay away from people and environments that may harm them. All kinds of regulations and measures are especially strict for international students. Don't try to break the law.

Third, the differences in life.

1. Don't take off your shoes in front of others. In America, if you take off your shoes or go barefoot in front of others, you will be considered a rude savage. It is impolite for men and women to pull down their socks and garters in front of others; If your shoelaces are loose, you should go to a place where no one is there to tie them.

2. Same sex can't dance together. Same-sex people can't dance together, which is one of the social etiquette recognized by the United States. Dancing with the same sex, others will definitely cast a reproachful look, or think they are gay. Therefore, even if you can't find a partner of the opposite sex, you must never dance with the same sex.

Don't call black people "Negro" and don't pay the bill in a hurry. Attend American parties, don't just talk about the topics you care about and are good at. Talking about topics that are only familiar to you will embarrass others and produce a sense of disgust.

Fourth, the economy.

While going out, all kinds of expenses are inevitable, but it is not difficult to realize this. Schools are not advised to bring too much cash. The credit card business in the United States is very popular, and major shopping malls and shops can also use credit cards to spend. So you don't need much cash to live in the United States. Just prepare a credit card and repay it every month.