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12月7日GMAT阅读考试机经回忆
来源:毕达教育 发布时间:2012-01-13 10:02:39
以下是12月7日的GMAT阅读考试机经回忆,大家可以以此为参考,做好复习,充分备考GMAT阅读。
1.**哺乳动物觅食
V1:GWD原题来着,那啥两种动物在哺乳期间用多少力气多少时间找食物来着,不知道是啥动物…
V2: 阅读,一个就是gwd原题,那个fast啊forage,一个动物哺乳期之类的怎么样,另一个怎么样,另一个有个特例,那个特例怎么样,那个特例为什么这么样。。。
考古(GWD原文已确认)
T-4-Q24~27: TS-7-33~36
Untilrecently, zoologists believed that all species of phocids (true seals), a pin-nipped family, use a different
maternal strategy than do otariids (fur seals and sea lions), another pin niped family. Mother otariids use a
foraging strategy. They acquire moderate energy stores in the form of blubber before arriving at breeding
sites and then fast for 5 to 11 days after birth. Throughout the rest of the lactation (milk production) period,
which lasts from 4 months to 3 years depending on the species, mother otariids alternately forage at sea,
where they replenish their fat stores ,and nurse their young at breeding sites. Zoologists had assumed that
females of all phocids species, by contrast, use a fasting strategy in which mother phocids, having accumulated
large energy stores before they arrive at breeding sites, fast throughout the entire lactation period,
which lasts from 4 to 50 days depending on the species. However, recent studies on harbor seals, a phocids
species, found that lactating females commenced foraging approximately 6 days after giving birth and on
average made 7 foraging trips during the remainder of their24-day lactation period.
The maternal strategy evolved by harbor seals may have to do with their small size and the large proportion
of their fat stores depleted in lactation. Harbor seal sare small compared with other phocids species such as
grey seals, all of which are known to fast for the entire lactation period. Studies show that mother seals of
these species use respectively 84 percent, 58 percent, and 33 percent oftheir fat stores during lactation.
By comparison, harbor seals use 80 percent of their fat stores in just the first 19 days of lactation, even
though they occasionally feed during this period. Since such a large proportion of their fat stores is
exhausted despite feeding, mother harbor seals clearly cannot support all of lactation using only energy
stored before giving birth. Though smaller than many other phocids, harbor seals are similar in size to
most otariids. In addition, there is already some evidence suggesting that the ringed seal, aphocids species
that is similar in size to the harbor seal, may also use a maternal foraging strategy.
T-4-24:T-733It can be inferred from the passage that the females of all phocids species differ from the
females of all otariid species in that the female phocids(A)
A. have shorter lactation periods
B. consume more food during lactation
C. consume a higher proportion of fat stores
D. forage for food occasionally during their lactation periods
E. deplete a smaller percentage of their fat stores during their lactation periods
T-4-25:T-7-34Theprimary purpose of the passage is to(D)
A. present evidence that several phocids species use the maternal fasting strategy
B. explain why the maternal strategy typically used by phocids is different from the maternal strategy
used by otariids
C. argue that zoologists’ current understanding of harbor seals’ maternal strategy is incorrect
D. describe an unexpected behavior observed inharbor seals and propose an explanation that may account
for the behavior
E. describe evidence concerning the maternal strategy of the harbor seal and suggest that the harbor seal
belongs to the otariid rather than to the phocids family
T-4-26:T-7-35Accordingto the passage, until recently zoologists believed which of the following about
all phocids mothers?(E)
A. Their fasting periods after giving birth were typically shorter than those of otariids.
B. Their lactation periods were generally as long as those of comparably sized otariids.
C. They acquired only moderate energy stores in the form of blubber before arriving at breeding sites.
D. They depleted less than a third of their stored body fat during lactation.
E. The replenished their fat stores only after their lactation period ended.
T-4-27-T-7-36The author of the passage mentions ringed seals most probably in order to(E)
A. provide an example of a phocid species that fasts throughout its entire lactation period
B. provide an example of a phocid species whose maternal strategy is typical of phocid species
C. provide an example of a phocid species that may deplete an even higher proportion of its fat stores
during lactation than harbor seals do
D. support the assertion that harbor seals are smaller than many other phocids
E. support the assertion that harbor seals’ maternal strategy may be related to their small size
以上就是12月7日更新的GMAT阅读机经,考生可以适当借鉴,并通过练习来掌握GMAT阅读的解题规律,从而在GMAT考试中发挥出更好的水平。
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