读一读。

    动物的睡相因其需要和本能而千姿百态，有些真令人意想不到。

    大象是站着睡觉的，它最怕蚊、蝇等小虫子钻进鼻孔里，因此当它睡觉时，总是把鼻子举得高高的。

    鱼在水中静止不动，就表示它酣然入梦。

    狗睡觉时总是将一只耳朵紧贴地面，以便听到很远地方的声音。

    刺猬身上的刺，是防范敌人的好武器。刺猬在睡觉时将身子缩得像个圆绒线球，只露出一点鼻子在外透气。

    There are many different greeting customs around the world. Here are some.

    Chile(智利) People usually shake hands when they meet for the first time. When two women fist meet, they sometimes give one kiss on the cheek. They actually “kiss the air'' Women also greet both male and female friends with a kiss. Chilean men give their friends warm abrazos (hugs) or sometimes kiss women on the cheek.

    Finland (芬兰)Finns greet each other with a firm handshake. Hugs and kisses are only for close friends and family.

    Korea (韩国) Men bow slightly and shake hands to greet each other. Women do not usually shake hands. To address someone with his or her full name, the family name comes first, the first name.

    The United States (美国) People shake hands when they are first introduced. Friends and family member often hug or kiss on the cheek when they see each other. In these situations, men often kiss women but not other men.