more thsn two ___years ago,people knew little about the universe

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• more thsn two ___years ago,people knew little about the universeA thousands B thousandC thousand of D thousands of哪一个是正确答案 为什么?
• 英语翻译Scientists have always wanted to know more about the universe.Years ago they knew many things about the moon.They knew how big it was and how far away it was from the earth.But they wanted to know more about it.They thought the best way is to send men to the moon.The moon is about 384000 kilometers away from the earth.A plane cannot fly to the moon because air reaches only 240 kilometers away from the earth.But something can fly even when there is
• 中英互译：中英互译：1、你把茶作为礼物送给他妈妈 2、but more than three hundred years ago many people in Europe knew nothing about tea.3、He looked at the table and asked,"Mther,what did you do with the tea?"4、“你现在可以把这些叶子也扔掉了.”5、有一天,Mr Wang 站在门口看书.6、When someone suddenly called out from behind him.7、对不起,我告诉你的方向是错的.8、If you go 20 meters and then turn right ,you willfall into the water
• 英语翻译Astronomers have witnessed the biggest bang since the big bang—the moment about 15 billion years ago when the universe was created in a massive explosion.The huge burst of energy from the edge of the universe is estimated to be second only to the moment of creation in its explosive force,releasing more energy in two seconds than the sun will give out in it lifetime.Scientists hope the explosion—known as a gamma-ray burst because it emits energy in
• more thsn two ___years ago,people knew little about the universe
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