【练习】专业八级改错练习四
发布于 4年前 作者 RC 1037 次浏览 来自 其他

【改错练习】   What is a black hole? Well, it is difficult to answer the question,as the terms we would normally use to describe a scientific phenomenon __1   are adequate here. Astronomers and scientists think that a black hole is __2   a region of space which matter has fallen and from which nothing can __3   escape—not even light. But we can’t see a black hole. A black hole __4   exerts a strong gravitational pull and yet it has no matter. It is only space—or thus we think. How can this happen? __5   The theory is that some stars explode when their density increases to a particular point; they “collapse” and sometimes a supernova occurs.   The collapse of a star may produce a “White Dwarf” of a “neutronstar”—a star which matter is so dense that if continually shrinks by the force of __6   its own gravity. But if the star is very large, this process of shrinking may be so intense that a black hole results in. Imagine the earth reduced to the __7   size of a marble, but still having the same masses and a stronger __8   gravitational pull, and you have some ideas of the force of a black hole. __9   And no matter near the black hole is sucked in. __10


【答案】   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。   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。   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   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。   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。   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   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”。   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。   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。   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。


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