[简答题]Every human society has its own particular culture, or sociocultural system, which overlaps to some extent with other systems. Variation among sociocultural systems is attributable to physical habitats and resources; to the range of possibilities inherent in various areas of activity, such as language, rituals and customs, and the manufacture and use of tools, and to the degree of social development. Adaptation and change take place within and among cultures by means of ecological and environmental changes.

[填空题]Every culture has its own body language, and children absorb its nuances along with the spoken language. A Frenchman talks and moves in French. The way an Englishman crosses his leg is (36) like the way a male American does it. When we communicate with people from other cultures, the body language sometimes helps to make the communication easy and (37) , such as shaking hands is such a (38) gesture that people all over the world know that it is a sign for greeting. But sometimes the body language can cause certain (39) since people of different cultures often have different forms of behavior for sending the same message or have different interpretations towards the same body (40) . Nodding one’s head is generally (41) to show agreement "Yes", but to Nepalese, Sri Lankans, some Indians and some Eskimos, it means not "yes", but "no". When a student in conversation with a professor holds the older man’s eyes a little longer than as usu