随着电视动画片的出现，连环画册逐渐退出了人们的生活；随着电视机、DVD、网上影院的出现，到电影院去看影片的人越来越少。这说明（    ）

我国拟修建的京沪高速客运铁路，体现了世界交通运输发展的哪些趋势（　　）

⑴She's a teacher.____           A. 她是一名学生。

⑵He's my friend.____           B. 她是一位老师。

⑶She's a student.____          C. 他是我的朋友。

    Humans like to live and work in groups. Language is the “cement(胶合剂)”____holds these groups together. Language is part of culture. Culture, in this sense,____ (mean) all those customs, skills, and attitudes that are part of the behavior of a ____ (particularly) group. What you think ____ what you want in life are all affected by the culture of the group in which you ____( raise). Groups of people live in different ways. They may have different skills, organizations, and art forms. Their family life may be completely different from yours.

    Human beings are inventive animals. They can decide to change their cultures in order to meet various ____(situation). Of all living things, human beings are the ____(clever). They can choose ____(live) in many environments and in a wide variety of ways. Only human beings can choose where and how they want to live and then improve the physical environment to help ____(they)realize these choices.

    Acquiring the wisdom to make wise choices ____ (be)the lasting challenge of being human.