56.The fewer restrictions there are on the advertising of legal services, the morelawyers there are who advertise their services, and the lawyers who advertise aspecific service usually charge less for that service than the lawyers who donot advertise. There fore, if the state removes any of its currentrestrictions, such as the one against advertisements that do not specify feearrangements, overall consumer legal costs will be lower than if the stateretains its current restrictions.
If the statementsabove are true, which of the following must be true?
A. Some lawyerswho now advertise will charge more for specific services if they do not have tospecify fee arrangements in the advertisements.
B. More consumerswill use legal services if there are fewer restrictions on the advertising oflegal services.
C. If therestriction against advertisements that do not specify fee arrangements isremoved, more lawyers will advertise their services. (correct answer)
D. If more lawyersadvertise lower prices for specific services, some lawyers who do not advertisewill also charge less than they currently charge for those services.
E. If the onlyrestrictions on the advertising of legal services were those that apply toevery type of advertising, most lawyers would advertise their services.
B选项OG的解释说no evidence in the passage indicates thatthere will be an increased use of legal service. 但题目中又有overall consumer legal cost变低了，请问是错在哪里？
69. Scientists have modified feed corngenetically, increasing its resistance to insect pests. Farmers who tried outthe genetically modified corn last season applied less insecticide to theircorn fields and still got yields comparable to those they would have gottenwith ordinary corn. Ordinary corn seed, however, costs less, and what thesefarmers saved on insecticide rarely exceeded their extra costs for seed.Therefore, for most feed-corn farmers, switching to genetically modified seedwould be unlikely to increase profits.
Which of the following would it be mostuseful to know in order to evaluate the argument?
A. Whether there are insect pests thatsometimes reduce feed-corn yields, but against which commonly used ininsecticides and the genetic modification are equally ineffective.
B. Whether the price that farmers receivefor feed corn has remained steady over the past few years.
C. Whether the insecticides typically usedon feed corn tend to be more expensive than insecticides typically used onother crops.
D. Whether most of the farmers who triedthe genetically modified corn last season applied more insecticide than wasactually necessary. (Correct answer)
E. Whether, for most farmers who plantcorn, it is their most profitable crop
之前错选为B 看过OG解释知道B错在哪里，但是还是不懂为什么D是正确选项。D在讲last season的事情，但是题目里面用would be unlikely 这样解释的通吗？
多谢多谢！！ | 
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发表于 2012-3-3 12:22:06
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