阅读下列小标题，把它们填入文中对应的位置。其中有两个选项是多余的。
Don't touch your face in a conversation
Speak quickly
C.Stand up straight and tall
D.Don't cross your arms
E.Be polite
F.Eye contact
G.Don't slouch ( 没精打采地坐 ) in your chair

Say something without speaking
Your mother asks:"How did your exam go, sweetie?" "Really well!" You say, excitedly giving a "V" sign with your right hand. The gesture shows you did well in the exam.
Body language does not use words. It uses the movement or position of your body to show certain meanings.
Body language is important for teenagers. Understanding this language helps you to communicate better with others.
Do's
■ ___________________
Look into a person's eyes during a conversation. It makes your opinion more believable. Most people like to have eye contact with their listeners.
■ Smile
Smile when you talk to somebody. It is not only polite but also makes you feel relaxed.
■ ___________________
It shows your respect to others. It also makes you more confident.
Don'ts:
■ ___________________
This means you are upset and uncomfortable. Keep your arms open and you will feel more relaxed.
■ _____________________
It shows that you are not interested in what others say. Sit up straight and lean a little forward to look more interested.
■ _____________________
It shows that you are not confident of your words. You'd better put your hands along the sides of your body.