Expressions cover all parts of our life. They may be around your ears every day. You may know a lot of Chinese expressions that describe how you feel. Here are some English ones for your enjoyment.

Have Your Heart in Your Mouth

This expression means that you're really afraid or anxious about something. When your heart starts beating so much that you can feel a thumping(怦怦跳) in your throat, it may feel like you "have your heart in your mouth."

Have Butterflies in the Stomach

How did butterflies get in your stomach? Well, those really aren't butterflies in there. It is a way of describing those nervous feelings you might get before a test or a very important decision.

These stomach flutters (跳动) are normal and happen to many people. Some people believe having a few butterflies might even help you perform better.

Sick as a Dog

If you've ever been very sick, you may have used this expression. Because dogs eat just about anything they find, they often get sick. So it's all right to describe someone who's not feeling well as being "sick as a dog".

Under the Weather

When it's rainy all day outside, how would you feel? This expression comes from the idea that bad weather might hurt a person's health and mood(心情).

1.The expression "__" is most probably used while you are watching a thriller.

A. have your heart in your mouth

B. sick as a dog

C. under the weather

2.Someone believes__ if you "have butterflies in the stomach" before a test.

A. you're sure to fail

B. you will forget everything

C. you might do better

3.It's __ to say somebody is "sick as a dog" when he is not feeling well.

A. impolite   B. suitable       C. wrong

4.When somebody says "under the weather", he must feel     

A. upset      B. happy         C. calm

5.All expressions discussed in this passage are about      

A. health      B. habits        C. feelings

The rules（规则，常规） in American schools
Greetings
You needn’t greet your teachers when you come into a very big class. If you are late for class, you may go into the classroom quietly. But you should say sorry to the teacher after class.
Answering questions
Don’t talk when somebody else is speaking. If you have something to say, you have to wait. When someone is speaking, you shouldn’t interrupt him or her. If you want to answer the teacher’s questions, you may stand up and speak loudly. It’s impolite to keep quiet when your teacher asks you questions. If you don’t know the answers, you can say “I’m sorry”.
Other interesting rules
Some American schools don’t allow students to wear caps, sunglasses or too large trousers. And they can’t bring any bananas to school. The school bags for the students are usually sheer （透明的）, so teachers can find what’s in it easily.
【小题1】If you are late for class in American schools, what should you do?
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【小题2】Is it polite to talk when someone else is speaking?
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【小题3】When students want to answer the teacher’s questions, what should they do?
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【小题4】In some American schools, students can’t do any things. Give an example.
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【小题5】Why are the students’ bags sheer in some American school?
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电脑和手机上有各种游戏，有的游戏能在某些方面帮助我们。请为以下各人搭配合适的游戏。（其中有一项是多余的。）

1.Peter isn’t good at geography, and he doesn’t like spending time on it. His parents want to help him. They have a good idea and make him interested in geography through games.

2.Lily is a five-year-old girl. She is very clever and likes remembering different flags. Although she is young, she can recognize lots of flags of different countries.

3.Mr White will take his daughter Kitty to go on a trip. He wants Kitty to choose the place. But Kitty is too young to know the cities, so Mr White finds a game to help her.

4.Tom’s fingers are not so quick. His doctors asks him to play some race games, such as the car race and the boat race.

5.Alan likes rafting. He goes rafting almost every month. Even when he plays games, he plays the one about rafting.

A. Rafting Game

Want to prove you are the best at rafting? Don’t look down on the game .It’s easy to play but hard to master.

B. Christmas Game

Use your candy cane to stop the salespeople from bothering you on Christmas morning. You have one minute.

C. Flags of the world

Do you know the colors, symbols or the shapes of different countries’ flags?This game is a great test for you.

D. Amazing race

If you are in a car race around the world, how close can you come to your target? Find it out in this game.

E. Photos of the world

Great ideas of where to go next, as well as a fun online album of famous places of interest.

F. Traveler IQ

Do you think you know the world well? Try to find the places on the map in this fun best.