C. The effect of violent TV programs on children needs further study.

　　D. Both prosocial and antisocial behaviors can be learned from violent programs.

　　45. The last sentence of the passage implies

　　A. the government will have to ban violence on TV under public pressure.

　　B. violence in television programs will continue to appear in the future.

　　C. producers and concerned citizens con work together to clean up TV programs.

　　D. without violence, action-adventure programs would be more popular.

　　答案：

　　31-35 CADAC

　　36-40 CDDCB

　　41-45 ACBCB