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新东方在线新版gre写作阅读电子讲义

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新东方在线新版gre写作阅读电子讲义



    本文由way303贡献
    新东方在线GRE阅读电子教材
    主讲:王鹏
    欢迎使用新东方在线电子教材
    1
    The dark regions in the starry night sky are not pockets in the unive
rse that are devoid of stars as had long been thought Rather they are da
rk because of interstellar dust that hides the stars behind it Although i
ts visual effect is so pronounced dust is only a minor constituent of the
 material extremely low in density that lies between the stars
    Dust accounts for about one percent of the total mass of intersteller
 matter The rest is hydrogen and helium gas with small amounts of other 
elements The intersteller material rather like terrestrial clouds comes
 in all shapes and sizes
    The average density of interstellar material in the vicinity of our S
un is 1000 to 10000 times less than the best terrestrial laboratory vacuum
 It is only because of the enormous interstellar distances that so little
 material per unit of volume becomes so significant Optical astronomy is 
most directly affected for although intersteller gas is perfectly transpa
rent the dust is not
    1、According to the passage which of the following is a direct perce
ptual consequence of the interstellar dustAsome stars are rendered invi
sible to observers on EarthBMany visible stars are made to seem brighte
r than they really areCThe presence of hydrogen and helium gas is revea
ledDThe night sky appears dusty at all times to observers on EarthET
he dust is conspicuously visible against a background of bright stars
    2、it can be inferred from the passage that the density of interstell
ar material is Ahigher where distances between the stars are shorterBe
qual to that of interstellar dustCunusually low in the vicinity of our S
unDindependent of the incidence of gaseous componentsEnot homogeneous 
throughout interstellar space
    3、it can be inferred from the passage that it is because space is so
 vast thatAlittle of the interstellar material in it seems substantialB
normal units of volume seem futile for measurements of densityCstars ca
n be far enough from Earth to be obscured even by very sparselydistributed
 matterDinterstellar gases can for all practical purposes be regarded 
as transparentEoptical astronomy would be of little use even if no inter
stellar dust existed
    2
    Thomas Hardy's impulses as a writer all of which he indulged in his 
novels were numerous and divergent and they did not always work together
 in harmony Hardy was to some degree interested in exploring his characte
r's psychologies though impelled less by curiosity than by sympathy Occa
sionally he felt the impulse to comedy in all his detached coldness as w
ell as the impulse to farce but he was more than inclined to see tragedy 
and record it He was also inclined to literary realism in the several sen
ses of that c He wanted to describe ordinary human beings he wanted to sp
eculate on their dilemmas rationally and unfortunately even schematical
ly and  he wanted to record precisely the material universe Finally he 
wanted to be more than a realist He wanted to transcend what he considere
d to be the banality of solely recording things exactly and to express as 
well his awareness of the occult and strange
page 1

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