D The black hole could devour the star.
2. According to the third paragraph,researchers differed from each other in the problem of
A whether nuclear reaction would occur.
B whether the stars would increase its density and temperature.
C whether shock waves would occur.
D whether the uneven forces would flatten the stars.
3. According to the fourth paragraph,which of the following is NOT true?
A No nuclear explosion would be triggered inside the star.
B The star would be destroyed completely.
C Much of the stars matter thrown by the explosion would be beyond the black holes reach.
D The black hole would completely devour the star.
4. What will happen several months after the explosion of the star?
A The stars matter will move further away from by the black hole.
B The black holes matter will heat up.
C The torn stars matter will swirl into the black hole.
D The black holes matter will release ultraviolet light and X-rays.
5. According to the context,the word disruption in Paragraph 6 means
A Confusion.
B Tearing apart.
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