1.(Z)A certain automaker aims to increase its market share by deeply discounting its vehicles’ prices for the next several months. The discounts will cut into profits, but because they will be heavily advertised the manufacturer hopes that they will attract buyers away from rival manufacturers’ cars. In the longer term, the automaker envisions that customers initially attracted by the discounts may become loyal customers.
In assessing the plan’s chances of achieving its aim, it would be most useful to know which of the following?
A. Whether the automaker’s competitors are likely to respond by offering deep discounts on their own products
B. Whether the advertisements will be created by the manufacturer’s current advertising agency
C. Whether some of the automaker’s models will be more deeply discounted than others
D. Whether the automaker will be able to cut costs sufficiently to maintain profit margins even when the discounts are in effect
E. Whether an alternative strategy might enable the automaker to enhance its profitability while holding a constant or diminishing share of the market
2.(Z)Plant scientists have been able to genetically engineer vegetable seeds to produce crops that are highly resistant to insect damage. Although these seeds currently cost more than conventional seeds, their cost is likely to decline. Moreover, farmers planting them can use far less pesticide, and most consumers prefer vegetables grown with less pesticide, therefore, for crops for which these seeds can be developed, their use is likely to become the norm.
Which of the following would be most useful to know in evaluating the argument above?
A) Whether plant scientists have developed insect-resistant seeds for every crop that is currently grown commercially?
B) Whether farmers typically use agricultural pesticides in large amounts than is necessary to prevent crop damage?
C) Whether plants grown from the new genetically engineered seeds can be kept completely free of insect damage?
D) Whether seeds genetically engineered to produce insect-resistant crops generate significantly lower per acre crop yields than do currently used seeds?
E) Whether most varieties of crops currently grown commercially have greater natural resistance to insect damage than did similar varieties in the past.
正确答案：A D
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