Complete the Words
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The universe is a vast expanse, filled with mysteries that have intrigued humans for centuries. Black holes are reg in sp where gra is s strong th nothing, n even li, can esc. Even tho they a invisible, black holes can be detected by observing their effects on nearby matter. Black holes play a crucial role in astrophysics, influencing galaxy formation and offering insights into the nature of space, time, and gravity.
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参考答案：ions ace vity o at ot ght ape ugh re