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自考“英语(二)”完整讲义(23)

2007-09-04 16:04   【 】【我要纠错

  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

  8.In August 1977, a satellite was____to gather data about the black holes in the Milky way.

  [A] posted

  [B] delivered

  [C] launched

  [D] transmitted

  9.The terms we would normally use to describe a scientific phenomenon are____here.

  [A] inadequate

  [B] invisible

  [C] intense

  [D] individual

  10.We know nothing about events which happen once objects pass this boundary, But____,matter must behave very differently inside the hole.

  [A] in addition

  [B] in person

  [C] in detail

  [D] in theory

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