29. According to the text, mariners must pay attention to ________ while using a chart.

A . Of the criminals arrested in 1970, 57 percent were youths below 25 of age. B . Lack of education has little to do with the crime rate. C . Differences in state laws for death penalty also account for the increase of crime rate. D . Drug smuggling is the only product of too many shows and reports.

A、When will papers for each class need to hand out. B、Assignment of each day. C、The time of exams. D、Plan for midterms and finals.

A．Network entertainment is a huge and growing industry. B．It may not be possible for you to select any movie or television program ever made. C．The killer application is video on demand, D．You may play a role in new films in the future.

A．Saving the majority would necessarily justify the death of the minority. B．The immune system can be trained to fight weaker versions of a disease. C．Mandatory vaccinations are indispensable to the survival of the populace. D．The process of vaccination remains a mystery to be further resolved.

A．People now have realized that the Internet will dominate our society completely. B．The Internet increases by 50% every year. C．The Internet will combine all the traditional media such as books, televisions and push them further. D．The Internet prevents individuals from developing new skills.

A．A vast majority of people support it. B．The minorities claim it to be a discriminatory policy. C．The minority students are more likely to welcome it. D．The Court's decision will certainly change people's attitude to it.