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2019英语专八模拟试卷及答案（十）

2019-03-21 12:23:48来源：网络

　　PART III LANGUAGE USAGE [15 MIN]

　　The passage contains TEN errors. Each indicated line contains a maximum of ONE error. In each case, only ONE word is involved. You should proof-read the passage and correct it in the following way:

　　For a wrong word, underline the wrong word and write the correct one in the blank provided at the end of the line.

　　For a missing word, mark the position of the missing word with a “∧” sign and write the word you believe to be missing in the blank provided at the end of the line.

　　For an unnecessary word, cross the unnecessary word with a slash “/” and put the word in the blank provided at the end of the line.

　　Proofread the given passage on ANSWER SHEET THREE as instructed.

　　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__


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