单项选择题 Petrazzini‘s main concern is not so much cultural homogenization associated with the spread of the Internet, but an exacerbation of the gap between young and old and between spread of the Internet.（）

The public might well sanction a wider range of program...

单项选择题The public might well sanction a wider range of programming than would strictly be implied by the -gap-filling‖ approach, but this is not certain.（）