People breathe（呼吸） through their nose or mouth. You breathe in and out about 12–15 times a minute.
People smile（微笑） when they’re happy, and sometimes smile at people to be polite.
People laugh at（发笑；取笑） things which are funny.
People sometimes cry（哭泣） if they’re very unhappy, or receive bad news.
People in some countries nod their heads（上下点头） to mean ‘yes’, and shake their heads（左右摇头） for ‘no’.
People often yawn（打哈欠） when they’re tired, and sometimes when they’re bored.
知识拓展：
other parts on the face
Common expression
牛刀小试
1. 将动词表达与身体器官匹配
(1) shake
(2) wave
(3) comb
(4) fold
(5) blow
(6) nod
a your hair
b your nose
c to somebody
d your head
e hands
f your arms
2.标记出图上所指的器官名称
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Answers
1. e, c, a, f, b, d
2. lips, chin, shoulder, waist, cheek, neck, chest
