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标题: 【4.5.逻辑题目】 [打印本页]
作者: lisida929 时间: 2014-4-4 20:21
标题: 【4.5.逻辑题目】
1.A survey of entrepreneurs who startedcompanies last year shows that while virtually all did substantial preparatoryresearch and planning, only half used that work to produce a formal businessplan. Since, on average, the entrepreneurs without formal plans secured thecapital they needed in half the time of those with plans, these survey resultsindicate that, in general, formal plans did not help the entrepreneurs whoproduced them to secure the capital they needed.
Which of the following, if true, mostseriously weakens the argument?
A Companies started by entrepreneurs whohad used formal business plans to attract investment were on the whole asprofitable in their first year as were companies started by entrepreneurs whohad not produced such plans.
B In surveys of entrepreneurs who haveattempted without success to raise sufficient capital, more than half of therespondents indicate that they have produced a formal business plan.
C Among the entrepreneurs surveyed, thosewho did not produce formal business plans sought and received a much largerproportion of their capital from investors with whom they had a long-standingbusiness relationship.
D The entrepreneurs surveyed who did notproduce a formal business plan spent nearly as much time doing preparatoryresearch and planning as the entrepreneurs who produced plans.
E The entrepreneurs who produced businessplans generally reported later that the process of writing the plan hadincreased their confidence that their company would succeed.
2.In the past, most children who wentsledding in the winter snow in Verland used wooden sleds with runners andsteering bars. Ten years ago, smooth plastic sleds became popular; they gofaster than wooden sleds but are harder to steer and slow. The concern thatplastic sleds are more dangerous is clearly borne out by the fact that thenumber of children injured while sledding was much higher last winter than itwas ten years ago.
Which of the following, if true in Verland,most seriously undermines the force of the evidence cited?
A A few children still use traditionalwooden sleds.
B Very few children wear any kind ofprotective gear, such as helmets, while sledding.
C Plastic sleds can be used in a much widervariety of snow conditions than wooden sleds can.
D Most sledding injuries occur when a sledcollides with a tree, a rock, or, another sled.
E Becausethe traditional wooden sled can carry more than one rider, an accidentinvolving a wooden sled can result in several children being injured.
3.A manufacturer of workstations forcomputer-aided design seeks to increase sales to its most important corporatecustomers. Its strategy is to publish very low list prices for workstations inorder to generate interest among the buyers for those corporations.
Which of the following, if characteristicof the marketplace, would tend to cause the manufacturer's strategy to fail?
A The proposed list prices would seem lowto a typical buyer for the manufacturer's most important corporatecustomers.
B The capabilities of workstations suitablefor given jobs are not significantly different among various manufacturers.
C The manufacturer's most importantcorporate customers employ as buyers persons who are very knowledgeable aboutprices for workstations for customer-aided design.
D Customers differ significantly in thepercentage of resources they can devote to computer workstations.
E Buyers for corporations that purchaseworkstations for computer-aided design receive bonuses for negotiating largediscounts from the list price.
4.Which of the following most logicallycompletes the argument?
A certain cultivated herb is one of a groupof closely related plants that thrive in soil with high concentrations ofmetals that are toxic to most other plants. Agronomists studying the herb havediscovered that it produces large amounts of histidine, an amino acid that, intest-tube solutions, renders these metals chemically inert. Possibly,therefore, the herb's high histidine production is what allows it to grow inmetal-rich soils, a hypothesis that would gain support if ______.
A histidine is found in all parts of theplant-roots, stem, leaves, and flowers
B the herb's high level of histidineproduction is found to be associated with an unusually low level of productionof other amino acids
C others of the closely related group ofplants are also found to produce histidine in large quantities
D cultivation of the herb in soil with highconcentrations of the metals will, over an extended period, make the soilsuitable for plants to which the metals are toxic
E theconcentration of histidine in the growing herb declines as the plant approachesmaturity
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