2011年08月08日 07时40分，《2011英语:2011自考英语（二）复习资料：UNIT2》由出国留学网liuxue86.com英语编辑整理.
6.There might be a massive black hole at the centre of our galaxy____(swallow) up stars at a very rapid rate.
7.The most____(convince) evidence of black holes comes from research into binary star systems.
8.They show us a world which operates in a ____(total) different way from our own.
9.The surface of some areas____(consist) largely of high mountains and deep valleys.
10.Our world is the home of a very great many different people-peoples with different____(colour) skins.
Ⅲ.Vocabulary and Structure
1.Astronomers and scientists think that a black hole is a region of space (not a thing)____which matter has fallen and____which nothing can escape-not even light.
[A] into into
[B] into from
[C] from into
[D] from from
2.This process of shrinking may be so intense____a black hole results.
[A] whether
[B] what
[C] which
[D] that
3.Binary stars,____their name suggests, are twin stars whose position in space affects each other.
[A] as
[B] that
[C] what
[D] if
4.In some binary systems, astronomers have shown that there is an invisible companion star, a 'partner' to____which we can see in the sky.
[A] the one
[B] that
[C] the ones
[D] those
5.On the other hand, scientists have suggested that very advanced technology could one day____the energy of black holes for mankind.
[A] make fun of
[B] make sure of
[C] make use of
[D] make sense of
6.Astronomers have evidence of a few other stars too, which might have black holes as____.
[A] companies
[B] comparisons
[C] compounds
[D] companions
7.The earth is one of nine planets which move in____round the sun.
[A] track
[B] orbit
[C] tour
[D] route
2011年自考一次过关秘诀！点击查看>>