填空题在slow与population之间加down。

填空题在in与developing之间加the。

单项选择题A．a strokeB．cancerC．high blood pressureD．a heart disease

单项选择题A．suburbB．downtownC．centerD．north end

单项选择题A．All media people try to be objective.B．All people have some prejudice.C．Unlike radio and TV, newspapers are impersonal.D．People cannot avoid showing their bias.