补充教材上的几道逻辑，请高手指点

麦麦

107.Geoge bernard Shaw wrote:"That any sane nation,having obsered that you could provide for the supply of bread by giving bakers a pecuniary interest in baking for you, should go on to give a surgeon a pecunaty interest in cutting off you leg is enough to make one despair of political humanity."
Shaw's statement would best serveas an illustration in an argument criticizing which of the following?
A.Dentists who perform unnecessary dental work in oder to earn a profit
B.Docotors who incerase their profits by specializing only in diseases that afect a large percentageof the population
C.Grocers who raise price of food in order to increase their profit margins
D.Oil companies that decrease the price of their oil in oder to increase their market share
E.Bakers and surgeons who earn a profit by supplying other people's basic needs
请问这个肖老先生说的话到底是什么意思？
143.One way to judge the perforamnce of a company is to compare it with other companies .This technique commonly called "benchmarking",permits the manager of a company to discover better industrial practices and can provide a justification for the adoption of good practices.
Ayn of teh following ,if true ,is a valid reason fro benchmarking the perforamnce of a company against companiezs with which it is not in competition rahter than against competitors EXCEPT:
A.Comparisions with competitions are most likely to focus on practices that the manager making the comparisions already employs
B.Getting "inside" information about the unique practices of competitors is practicularly difficult.
C.Since companies that compete with each other are likely to have comparable levels of efficiency,only benchmarking against noncompetitiors is likely to reveal practices that would aid in beating competitors.
D.Manager are generally more receptive to new idears that they find outside their own industry.
题目读不懂
159.Biometric accss-control system----those using fingerprints,voiceprints,etc.,to regulate admittances to restricted areas----work by degree of similarity,not by identity.After all,even the same inger will rarely leave exactly identical pints.Such systems can be adjusted to minimize refusal of access to legitimate access-seekers.Such adjustments,however,increase the likelihood of admitting impostors.
Which of teh following conclusions is most strongly supported by the information above?
A.If a biometric access-control system were made to work by identity,it would not produce any correct admittance decisions
B.If a biometric access-control system rliable prevents impostors from being admitted,it will sometimes turn away legitimate access-seekers
C.Biometric access-controlsystem are appropriate only in situations in which admittance of impostors is less of a problem than is mistaken refusal of access.
DNonbiometri access-control systems----based, for example,on numerical codes ----are less likely than biometric ones to admit impostors
E.Anyone choosing an access-control system sould base the choice solely on the ratio of false refusals to false admittances
题干中哪个部分是support B项的呢？
另外，我在作此类题时经常会觉得不知所措。题目虽然读懂了但不能很快分析出那部分是事实，或是分论点或是结论，造成对题干本身的逻辑关系就不清楚，更不用说再加上选项了！请高手给指条明路吧！

177.In the course o her reesearches,a historian recently found two documents mentioning the same person,Erich Schnizler.One,dated May 3,1739,is a record of Schnizler's arrest for peddling without a license.The second,undated,is a statement by Schnizler asserting that he has been peddlig off and on for 20 years.
The facts above best support which of the following conclusions?
A.Schnizler started peddling around 1719
B.Schnizler was arrested repeatedly for peddling.
C.The undated document was written before 1765
D.The arrest record was written after the undated document
E.The arrest record provides better evidence that Schnizler peddled than does the undated document.
数学题？

227.A mail company recently had a big jump in clothing sales after hiring a copywriter and a graphic artist to give its clothing catalog a magazine like for mat designed to appeal to a planning to launch a housewares catalog using the same concept
The company's plan assumes that
A.other housewares catalogs with magazinelike formats do not already exist
B.an upscale clientele would be interested in a housewares catalog
C.the same copywriter and graphic artist could be employed for both the clothing and housewares catalogs
D.a magazinelike formet requires a copywriter and a graphic artist
E.customers to whom the old clothing catalog appealed would continue to make purchases from catalogs with the new format
选 D是不是有些牵强？