（b） the operation codes are uniform， established without reference to size ofpany.
（c） safety regulation codes are uniform， established without reference to size ofpany.
（d） largepanies typically have more of their profits invested in other businesses than do smallpanies.
（e） largepanies are in general more likely than smallpanies to diversify the markets and products.
2. banning cigarette advertisements in the mass media will not reduce the number of young people who smoke. they know that cigarettes exist and they know how to get them. they do not need the advertisements to supply that information.
the above argument would be most weakened if which of the following were true？
（a） seeing or hearing an advertisement for a product tends to increase people's desire for that product.
（b） banning cigarette advertisements in the mass media will cause an increase in advertisements in places where cigarettes are sold.
（c） advertisements in the mass media have been an exceedingly large part of the expenditures of the tobaccopanies.
（d） those who oppose cigarette use have advertised against it in the mass media ever since cigarettes were found to be harmful.
（e） older people tend to be less influenced by mass-media advertisements than younger people tend to be.
3. the average normal infant born in the united states weighs between twelve and fourteen pounds at the age of three months. therefore， if a three-month-old child weighs only ten pounds， its weight gain has been below the united states average.
which of the following indicates a flaw in the reasoning above？
（a） weight is only one measure of normal infant development.
（b） some three-month-old children weigh as much as seventeen pounds.
（c） it is possible for a normal child to weigh ten pounds at birth.
（d） the phrase “ below average” does not necessarily mean insufficient.
（e） average weight gain is not the same as average weight.