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[专八辅导] 英语专业八级改错练习题及答案解析(四)

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发表于 2012-8-14 11:29:10 | 显示全部楼层 |阅读模式
  What is a black hole? Well, it is difficult to answer the question,( n* K0 u1 }  x! Q" s
  as the terms we would normally use to describe a scientific phenomenon __1__7 F5 d! c; D7 ~3 g8 O: ^4 Y& ^2 [2 z
  are adequate here. Astronomers and scientists think that a black hole is __2__
, d& C  _5 t  c9 k9 S. k% V  a region of space which matter has fallen and from which nothing can __3__
6 q  Q! \; _( _& {) @% C  escape—not even light. But we can’t see a black hole. A black hole __4__7 F) _+ k+ z+ S2 z* n" R( j# `
  exerts a strong gravitational pull and yet it has no matter. It is only0 n) O2 [# @" N
  space—or thus we think. How can this happen? __5__
) \8 \1 G# d- A  The theory is that some stars explode when their density increases
% d- _) ~! E/ G" ]1 T% P/ J# G  to a particular point; they “collapse” and sometimes a supernova occurs.
% u. X# F, C7 f! U  The collapse of a star may produce a “White Dwarf” of a “neutronstar”—5 Y/ E# y" {3 n0 r) }: Z$ Z
  a star which matter is so dense that if continually shrinks by the force of __6___* U; O( N' [9 n, H* R' {' h! n% T
  its own gravity. But if the star is very large, this process of shrinking may/ I2 F$ T5 V) e* b1 r
  be so intense that a black hole results in. Imagine the earth reduced to the __7__' c# x3 X( ~+ s, x, P
  size of a marble, but still having the same masses and a stronger __8__7 a" O6 V; n. Z2 y0 }/ V$ w
  gravitational pull, and you have some ideas of the force of a black hole. __9__" u9 `8 V# T: O
  And no matter near the black hole is sucked in. __10__1 Q3 s- i8 q) o  g+ b
  参考答案及解析:
0 I9 ^$ Z* i, }" f0 g  supernova 名词,[天]超新星
+ G# k: p# a6 p  1. 将as 改为since或者because。在表示原因的连接词中,只有as引导的原因状语从句不能位于主句之后,只能位于句首。
- A3 [7 P7 B; c  2 .将adequate 改为inadequate,或者在are后加not。从逻辑上分析,因为我们拥有的科学术语“不充足”,所以才无法回答这个问题,所以用否定形式。1 ]6 t. ^3 l! G) f
  3. 在which 前加into。这是一个定语从句,意思是“黑洞是太空中物质可以掉进去的地方”,所以定语从句应该为“into which matter has fallen”。: z& _9 j( @9 A, z% G, \
  4. 将but 改为 so。 上文已提到“连光都无法从黑洞中逃出”,所以我们根本无法看到黑洞。这里应该是因果关系,而不是转折关系。
( m6 U4 f9 H, y, R  5 .将thus改为so。这句话的意思是“那只是空间—或者我们认为它只是空间”。so做 think 的宾语,thus 只能做连词,不能做宾语。# B/ M" Q1 Q1 B$ m
  6. 将which 改为whose。这个定语从句的意思是“它是一颗星,其密度非常大,由于自身的引力,它在不断地收缩”。matter 属于star,所以关系代词应该用whose。2 X! z0 W5 ~6 e, f: Z/ W
  7 .去掉in。result为不及物动词,意为“形成了”,而“result in sth。”意为“导致某结果”。! x- T! s* c9 P* Q% d' g
  8. 将masses 改为mass。mass 可指“大量的物质”,而“the masses”特指“劳动群众”,用在此处不妥。' P! D3 o/ c6 G
  9 .将ideas 改为idea。“idea”在表达“印象”时,为不可数名词,不可以用复数。
0 r) g# e; h( J% T; h: _  10. 将no改为any。分析便知,任何在黑洞附近的东西都会被吸进去。# ~6 K( n! K* o" s3 d
 
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