【单选题】The following two questions are based on the following passage: A study by a group of dentists has concluded that regular use of a certain brand of mouthwash is as effective as flossing in pring ...
A.
The dental floss manufacturer is concerned that it will lose market share in the dental health market because the advertisement encourages people to switch from dental floss to mouthwash.
B.
The dental floss company claims in its own advertisements that brushing and flossing after every meal is the most effective way to maintain good dental health.
C.
Although mouthwash is an effective deterrent to gum disease, it is less effective than dental floss at removing plaque and pring cavities between teeth.
D.
Per usage, mouthwash is three times more expensive than dental floss, if the recommended amounts of both products are used.
E.
The dentists who conducted the study on the effectiveness of mouthwash in pring gum disease obtained their funding for the study from a company that manufactures mouthwash.
【单选题】The following two questions are based on the following passage: The Southfork Steel Company is in trouble. Since 1960 it has made guaranteed payments to retirees out of a pension fund paid into by cur...
A.
Employees who retire today will, on average, live five years longer than those who retired in the 1960s.
B.
The workers' union has consistently vetoed any efforts on the part of management to cut tire level of pension payments to retired employees.
C.
Although Southfork Steel now produces almost twice as much steel as it did during the 1960s, overseas competition has driven the price of steel, adjusted for inflation, to less than one-third of its price in the 1960s, and there is no indication that pric
D.
Consultants have advised Southfork management that it can improve efficiency at the plant by implementing further workforce restructuring that could decrease the total number of employees by approximately 10 percent.
E.
Southfork employees in management do not take part in the general pension system, but instead pay into and collect from a separate system that guarantees higher payments.