2017-08-12 251阅读
以下将为正在备战GMAT考试的同学们整理一些经典的GMAT阅读试题,并分多个合集推出,希望能够为正在备考GMAT考试的考生提供或多或少的帮助。
23. GWD-17-Q35-Q37 月球表面的洞
(This passage was excerpted from material
published in 1996.)
When a large body strikes a planet
or moon, material is ejected, thereby
creating a hole in the planet and a local
Line dicit of mass. This dicit shows up
(5) as a gravity anomaly: the removal of
the material that has been ejected to
make the hole results in an area of
slightly lower gravity than surrounding
areas. One would therore expect that
(10) all of the large multi-ring impact basins
on the surface of Earth’s Moon would
show such negative gravity anomalies,
since they are, essentially, large holes
in the lunar surface. Yet data collected
(15) in 1994 by the Clementine spacecraft
show that many of these lunar basins
have no anomalously low gravity and
some even have anomalously high
gravity. Scientists speculate that early
(20) in lunar history, when large impactors
struck the Moon’s surface, causing
millions of cubic kilometers of crustal
debris to be ejected, denser material
from the Moon’s mantle rose up
(25) beneath the impactors almost imme-
diately, compensating for the ejected
material and thus leaving no low gravity
anomaly in the resulting basin. Later,
however, as the Moon grew cooler
(30) and less elastic, rebound from large
impactors would have been only partial
and incomplete. Thus today such
gravitational compensation probably
would not occur: the outer layer of
the Moon is too cold and stiff.
以上就是本期GMAT试题的所有内容,考生可以此为据并进行针对性的练习,逐步掌握GMAT阅读的解题规律及技巧,以达到迅速提高GMAT考试成绩的目的。 相关链接:
1.GMAT考试资料:GWD试题合集(四十)
2.GMAT考试资料:GWD试题合集(三十九)
3.GMAT考试资料:GWD试题合集(三十八)
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