Read the following passage and choose the best answer for each blank from 41 to 45.

Going Inside Black Holes

One of the strangest phenomena in the universe is the black hole. For years, (41) ________ have studied black holes in an attempt to better understand how they function. Like vacuum cleaners, black holes will suck up anything (42) ________ crosses their path. The incredible sucking power that black holes generate comes from gravity. They can quickly swallow up anything including planets, space debris, and anything else imaginable. Even light cannot escape the (43) ________ of black holes. Since they are able to pull in light, black holes are nearly impossible to see even with high-powered telescopes. (44) ________, scientists are able to detect the presence of black holes in space because of their effect on an observed area.

Black holes can originate in a few ways. One type of black holes occurs when a star comes to the end of its lifecycle and it dies in a supernova explosion. They can also occur when the mass of a neutron star becomes so (45) ________ that it collapses in on itself. Black holes may also occur when several large and dense stars collide with one another in space.

Câu 41 : (41) ______

Suy nghĩ và trả lời câu hỏi trước khi xem đáp án

Câu 42 : (42) ______

Suy nghĩ và trả lời câu hỏi trước khi xem đáp án

Câu 43 : (43) ______

Suy nghĩ và trả lời câu hỏi trước khi xem đáp án

Câu 44 : (44) ______

Suy nghĩ và trả lời câu hỏi trước khi xem đáp án

Câu 45 : (45) ______

Suy nghĩ và trả lời câu hỏi trước khi xem đáp án

ADSENSE
Chủ đề: Đề thi THPT QG
ZUNIA9