全球旧事资料 分类
Blackholescomefromstarsthataremadeofhydroge
othergasesa
dafewmetalsWhe
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tur
i
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fortheexplosio
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dthegravitystartstocompacteverypiecei
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lyafractio
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i
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there
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willco
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stei
’stheoryofrelativityI
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ceblackholestraplighta
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dthesolarsystemtou
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ttypesofblackholesCHowareblackholesformedDHowwereblackholes
amedEWhathappe
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ch参考答案23C24F25E26A27B28C29D30E第4部分:阅读理解(第3145题,每题3分,共45分)下面有3篇短文,每篇短文后有5道题,每道题后面有4个选项。请根据文章的内容,从每题所给的4个选项中选择1个最佳答案,涂在答题卡相应的位置上。第一篇Putti
gPla
tstoWorkUsi
gthepowerofthesu
is
othi
g
ewPeoplehavehadsolarpoweredcalculatorsa
dbuildi
gswithsolarpa
elsr
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