ossibly asQ37:
It can be inferred from the passage that which of the following is an accurate physical description of typical low-surface-brightness galaxies?
答案为d 这里small不对啊 我选a
只要看这里就很明显了
these galaxies have the
same general shape and even
the same approximate number
(10) of stars as a common type of
conventional galaxy, the spiral,
but tend to be much larger.
Because these galaxies’
mass is spread out over
(15) larger areas, they have far
fewer stars per unit volume
没可能小阿？ 请教。
以下是原文：
Q35 to Q37:
In addition to conventional
galaxies, the universe contains
very dim galaxies that until
Line recently went unnoticed by
(5) astronomers. ossibly as
numerous as conventional gal-
axies, these galaxies have the
same general shape and even
the same approximate number
(10) of stars as a common type of
conventional galaxy, the spiral,
but tend to be much larger.
Because these galaxies’
mass is spread out over
(15) larger areas, they have far
fewer stars per unit volume
than do conventional galaxies.
Apparently these low-surface-
brightness galaxies, as they
(20) are called, take much longer
than conventional galaxies to
condense their primordial gas
and convert it to stars—that is,
they evolve much more slowly.
(25) These galaxies may
constitute an answer to the long-
standing puzzle of the missing
baryonic mass in the universe.
Baryons—subatomic particles
(30) that are generally protons or
neutrons—are the source of
stellar, and therefore galactic,
luminosity, and so their numbers
can be estimated based on how
(35) luminous galaxies are. How-
ever, the amount of helium
in the universe, as measured
by spectroscopy, suggests
that there are far more baryons
(40) in the universe than estimates
based on galactic luminosity
indicate. Astronomers have
long speculated that the missing
baryonic mass might eventually
(45) be discovered in intergalactic
space or as some large popu-
lation of galaxies that are difficult
to detect.
偶选C.
星星的数量少只是在单位体积内. 总的数量还是差不多的. 所以偶不选A.
阿，对阿！谢谢醋醋妹妹。 好眼力，我怎么顾了头没顾尾呢
D. They are small, young spiral galaxies that contain a high proportion of primordial gas.
反了, 由于暗星发展慢, 所以young的会含有很少的primordial gas, 而且应该是big, 不是small, 才对.
请问这里spiral在句中的成分
Possibly as
numerous as conventional gal-
axies, these galaxies have the
same general shape and even
the same approximate number
(10) of stars as a common type of
conventional galaxy, the spiral,
but tend to be much larger.
请问这里spiral在句中的成分
Possibly as
numerous as conventional gal-
axies, these galaxies have the
same general shape and even
the same approximate number
(10) of stars as a common type of
conventional galaxy, the spiral,
but tend to be much larger.
同位语
Q9 to Q12:
In its 1903 decision in the case
of Lone Wolf v. Hitchcock, the United
States Supreme Court rejected the
Line efforts of three Native American tribes
(5) to prevent the opening of tribal lands
to non-Indian settlement without tribal
consent. In his study of the Lone
Wolf case, Blue Clark properly
emphasizes the Court’s assertion
(10) of a virtually unlimited unilateral power
of Congress (the House of Represen-
tatives and the Senate) over Native
American affairs. But he fails to note
the decision’s more far-reaching
(15) impact: shortly after Lone Wolf, the
federal government totally abandoned
negotiation and execution of formal
written agreements with Indian tribes
as a prerequisite for the implemen-
(20) tation of federal Indian policy. Many
commentators believe that this change
had already occurred in 1871 when—
following a dispute between the
House and the Senate over which
(25) chamber should enjoy primacy in
Indian affairs—Congress abolished
the making of treaties with Native
American tribes. But in reality the
federal government continued to nego-
(30) tiate formal tribal agreements past
the turn of the century, treating these
documents not as treaties with sover-
eign nations requiring ratification by the
Senate but simply as legislation to be
(35) passed by both houses of Congress.
The Lone Wolf decision ended this
era of formal negotiation and finally
did away with what had increasingly
become the empty formality of obtain-
ing tribal consent.
Q11:
As an element in the argument presented by the author of the passage, the reference to Blue Clark’s study of the Lone Wolf case serves primarily to
36是C。文章并没有说通过Baryons可以计算出galaxy的亮度。只是说通过亮度可以估计数量。Baryons are the source of stellar, and therefore galactic, luminosity, and so their numbers can be estimated based on how luminous galaxies are。
Baryons—subatomic particles
(30) that are generally protons or
neutrons—are the source of
stellar, and therefore galactic,
luminosity, and so their numbers
can be estimated based on how
(35) luminous galaxies are
37题终于让我体会了ETS的阴险，太阴险了，不过在逻辑里也遇到过类似的阴险方法，小弟总结下，看各位nn指正。
放在A或B选项，那种看上去和原文非常相似，几乎就是原文照抄的选项要注意了，因为很容易错是迷惑选项。做题是仔细检查范围的比较，一定回原文定位比较。在逻辑中，可能选项只是重复原文内容，给人感觉加强结论或者削弱结论，但是没有提供其他的证据，对结论没有帮助。
they have far fewer stars per unit volume than do conventional galaxies.
说明新发现的galaxy不是dense,而是sparse
继续解释：两个地方可以看出DIFFUSE
一个是楼上说到的那里，还有一个前面也有楼层的同学说了，关于condense的那句，后面有一个解释，that is, they evolve much more slowly。
觉得我要是现场考，一定看不出来这个意思~
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