A. 10 billion years B. 13.8 billion years C. 15 billion years D. 20 billion years 相关知识点: 试题来源: 解析 B。本题考查对宇宙年龄的了解。The universe(宇宙)大约有 13.8 billion years(138 亿年)。选项 A、C、D 的数字都不准确。反馈...
百度试题 结果1 题目How old is the universe?A.nearly 14 million years oldB.nearly 14 billion years old 相关知识点: 试题来源: 解析 B 反馈 收藏
阅读理解。 Do you know how many stars there are in the universe? The answer is WANY! Our sun is one of about 100 billion stars in our galaxy the Milky Way. But the Milky Way is just one of billions of galaxies that we know about!
amax morris 最大morris[translate] aScientists have many theories about how the universe first came into existence. 科学家有许多理论关于怎样宇宙首先进入了存在。[translate]
Do you know how many stars there are in the universe? The answer is MANY! Our sun is one of about 100 billion stars in our galaxy, the Milky Way. But the Milky Way is just one of billions of galaxies that we know about! Some other scientists say there are 2,000,000,000,000,000...
a近几年,交通拥挤问题在很多城市发生,特别是在很多大城市。很多人对此问题很是不高兴! In recent years, traffic congestion question in very many city occurrence, specially in very many big cities.Very many people to this question very are not happy![translate] ...
TheMilky Wayis just a speck in a universe filled with an untold number of galaxies. But if we had to take an educated guess, how many galaxies are in the universe? That sounds like a simple question, but it's anything but. The first problem is that even with our most powerful telesco...
The third way to cut down on trash is to reduce the amount of trash you make, stop buying thing that you don’t need in the first place. That reduce the amount of the earth’s resources that you use. 1.How many reasons do we need to throw less away? A. Three B. five C. two...
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 was to send men to the moon. The moon...