How many things can you see in the night sky?A lot!But scientists believe there are some things we will never see,like black holes,one of the most popular (1)projectsprojects(項目)about the universe.
An (2)internationalinternational(國際的)team of scientists announced it had taken the first picture of a black hole.Harvard University scientist Sheperd Doeleman has (3)ledled(領導)the research since it started.He said that the new picture (4)providedprovided(提供)strong evidence to support Albert Einstein's theories.It showed the black hole having a dark center,with a(5)brightbright(明亮的)orange and yellow ring around.It is about 6.5 billion times greater than the(6)solarsolar(太陽的)system.
He said he felt pleased with the picture,because black holes are areas in space where gravity is so strong that nothing-not even (7)lightlight(光)-can run away from them,which makes it really hard to take the picture.So researchers finally(8)createdcreated(創(chuàng)造)an Earth-sized "virtual telescope" to get the highest possible picture quality.
However,there are still a lot of things that we didn't discover (9)yetyet(還;尚).And we are not sure (10)whetherwhether(是否)we are alone in the universe or not.So next time when you look up at the night sky,remember.There's more in the sky than meets the eye!
【考點】人與社會.
【答案】projects;international;led;provided;bright;solar;light;created;yet;whether
【解答】
【點評】
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發(fā)布:2024/6/27 10:35:59組卷:16引用:1難度:0.3
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