患者，男，40岁，左上后牙咬合不适1个月余，冷热刺激痛3天，伴左侧头痛。检查见左上后

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     M __1__ friends is a skill like other skills. It improves with practice. If you want to meet people and
  make friends, you must be willing to take some a __2__ .
     You must first go where there are many people. You won’t make friends staying at home. Join a club
 or a party, talking with those who like the s __3__ things as you do. Or join someone in some a __4__ .
It's human nature to feel a bit u __5__ about the unknown. Most of our fears come from doubts about
 __6__ . Don't forget they must be feeling the same way. Try to accept yourself as you are, and try to put
  the other person at ease (自由自在). You'll b __7__ feel comfortable.
     Try to act self-confidently t __8__ you don't feel that way. When you enter a room  f__9__ of
 strangers, walk tall and straight, look directly at them and smile. Meeting someone new doesn't mean that
  you will make friends because friendship is based on mutual liking (基于互相喜欢) and "give and take".
 It takes t __10__ to develop.