年底阅读寂静( 伍拾陆篇 ) 截止到2009-12-30.16点02分

smallmole

圣诞快乐！

本月的确特殊，本mole能力有限，希望可以帮助所有奋战的CDer，fighting！
更新密码：东晋某陶姓诗人名作的全称，四字中文，无标点，无符号。提示：《***记》

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所有更新内容都是顺延的，如第一版A文章有V5的版本，第二版A文章有更新了，那就是接着的V6。同时在第二版更新时去除第一版更新的其他文章的标志。看文章的时候，推荐先看目录，看标题上的增删，然后打开文档结构图，很容易找到最新更新的部分。

GG多了，内容清晰了mole将部分TX确定的内容合并为一篇，建议参考最新版本。

onghat

謝謝本月辛苦的整理~~

祝順利~~~

加油！

GMAT203142

53.    T-4-Q24~27:天山-7-33～36另类海豹哺乳方式与众不同
               Until recently, zoologists believed that  动物学家一直相信所有p
all species of phocids (true seals), a pin-        型海豹的母亲策略和o型
nipped family, use a different maternal         是不同的。
Line        strategy than do otariids (fur seals and
(5)        sea lions), another pinniped family. Mother     O豹妈妈运用觅食策略。
otariids use a foraging strategy. They          它们到达饲养地前先以鲸
acquire moderate energy stores in the          脂形式储存能量，产仔后
form of blubber before arriving at breeding     禁食5到11天。
sites and then fast for 5 to 11 days after
(10)        birth. Throughout the rest of the lactation        在后来4个月到3年的
(milk production) period, which lasts from      泌乳期里，它们都会在海
4 months to 3 years depending on the          里觅食，重获力量养儿。
species, mother otariids alternately for-
age at sea, where they replenish their fat
(15)        stores, and nurse their young at breed-
ing sites. Zoologists had assumed that          动物学家以为P豹运用禁
females of all phocids species, by contrast,     食策略，即妈妈在4到50
use a fasting strategy in which mother         天的泌乳期内戒食。
phocids, having accumulated large energy
(20)        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         但是近期对H豹-一种P
harbor seals, a phocids species, found that      类豹的研究发现，泌乳雌
(25)        lactating females commenced foraging        性产仔后约6天开始觅食，
approximately 6 days after giving birth and     在24天的泌乳期内平均觅
on average made 7 foraging trips during       食7次。
the remainder of their 24-day lactation
period.
(30)                The maternal strategy evolved by      H豹的母亲策略与其体积
harbor seals may have to do with their         小消耗大是有关的。
small size and the large proportion of their
fat stores depleted in lactation. Harbor         H豹与其它P类豹如灰海
seals are small compared with other phocids    豹相比体型更小，灰海豹
(35)        species such as grey seals, all of which        整个泌乳期就戒食。
are known to fast for the entire lactation
period. Studies show that mother seals of        其它P类豹在泌乳期
these species use respectively 84 percent,       内分别消耗84%,58%和
58 percent, and 33 percent of their fat          33%的脂肪。
(40)        stores during lactation. By comparison,         相比之下，H豹在泌乳期
harbor seals use 80 percent of their fat          的前19天就消耗了80%
stores in just the first 19 days of lactation,       的脂肪。
even though they occasionally feed during
this period. Since such a large proportion        所以它们要去觅食。
(45)        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       H豹虽然比其他P豹小，
than many other phocids, harbor seals are       但与O豹的体型类似。
(50)        similar in size to most otariids. In addition,      另外证据显示体型类似
there is already some evidence suggesting       H豹的P型环斑海豹也
that the ringed seal, a phocids species that       使用觅食策略。
is similar in size to the harbor seal, may
also use a maternal foraging strategy.
文章两处用到了对比：phocids和otariids；harbor seals和other phocids
T-7-33
It 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.    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
Throughout the rest of the lactation (milk production) period, which lasts from
4 months to 3 years；the entire lactation period, which lasts from 4 to 50 days

T-7-34
The primary purpose of the passage is to
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 in harbor 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-7-35
According to the passage, until recently zoologists believed which of the following about all phocids mothers?
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.
是问zoologists以前的观点。

T-7-36
The author of the passage mentions ringed seals most probably in order to
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

答案：ADEE

盼盼猫

+++++++++

5liberty6

???

sophiequeen

非常感谢！！！！！！！！！！！！！

maggie_yume

thanks soooooooooooo much!!^^

FFcapm

多谢

jessiezhu922

楼主我还是不太会找跟新部分啊……可以教一下吗？你文章总数没变，只是V跟新，怎么找啊？

dd2009w

GREAT JOB , THANKS !